dank (OP)
Legendary
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Activity: 1134
Merit: 1002
You cannot kill love
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July 02, 2011, 03:20:29 AM |
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Just dipped to 2.990 on a .94 order.
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"In a nutshell, the network works like a distributed
timestamp server, stamping the first transaction to spend a coin. It
takes advantage of the nature of information being easy to spread but
hard to stifle." -- Satoshi
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Advertised sites are not endorsed by the Bitcoin Forum. They may be unsafe, untrustworthy, or illegal in your jurisdiction.
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stic.man
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July 02, 2011, 03:21:17 AM |
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yeah I about had a heart attack haha
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3txx
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Activity: 111
Merit: 11
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July 02, 2011, 03:21:33 AM |
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no chance to buy at this price...
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BookofNick
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July 02, 2011, 03:22:52 AM |
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None of my orders below $15.50 were filled WTF?
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Jack of Diamonds
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July 02, 2011, 03:23:51 AM |
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None of my orders below $15.50 were filled WTF? Just because a random person decides to sell 0.94 BTC at 3 bucks doesn't mean that's the market price
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1f3gHNoBodYw1LLs3ndY0UanYB1tC0lnsBec4USeYoU9AREaCH34PBeGgAR67fx
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bastisc
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July 02, 2011, 03:26:52 AM |
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I was trying to look at the market depth on their site minutes/seconds before it happened. The bid side seemed to be screwed.
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carbonc
Member
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Activity: 126
Merit: 60
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July 02, 2011, 03:29:21 AM |
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they probably misplaced the decimal point before hitting the sell button.. lol.
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proudhon
Legendary
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Merit: 1311
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July 02, 2011, 03:29:59 AM |
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Oops, sorry guys. I accidentally checked "Skip orders and to go $2.99" for my last buy.
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Bitcoin Fact: the price of bitcoin will not be greater than $70k for more than 25 consecutive days at any point in the rest of recorded human history.
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Hook^
Newbie
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Activity: 56
Merit: 0
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July 02, 2011, 03:31:04 AM |
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None of my orders below $15.50 were filled WTF? Just because a random person decides to sell 0.94 BTC at 3 bucks doesn't mean that's the market price So how does the system decide who the lucky buyer is? Shouldn't it be the person with the highest offer? Does the system split the difference between a buyer that is offering higher than the bidder?
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Alex Thornton
Newbie
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Activity: 46
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July 02, 2011, 03:32:04 AM |
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I hope they clean up the data. numbers like that really make analyzing the charts annoying.
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TraderTimm
Legendary
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Activity: 2408
Merit: 1121
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July 02, 2011, 03:33:42 AM |
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Yes, for those who wonder - a proper order book fills at the best bid/offer. "Stub" bids and offers way off the market price don't get priority if there is something resting higher or lower. I sincerely doubt there was nothing between 15.50 and 3.00. Has to be some kind of problem we don't know the details about yet.
We don't need this, honestly.
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fortitudinem multis - catenum regit omnia
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Hook^
Newbie
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July 02, 2011, 03:34:57 AM |
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tomcollins
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July 02, 2011, 03:34:57 AM |
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Yes, for those who wonder - a proper order book fills at the best bid/offer. "Stub" bids and offers way off the market price don't get priority if there is something resting higher or lower. I sincerely doubt there was nothing between 15.50 and 3.00. Has to be some kind of problem we don't know the details about yet.
We don't need this, honestly.
No way, after the hack Mt. Gox is 100% secure and no bugs.
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Bitcoin Swami
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July 02, 2011, 03:38:00 AM |
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Not a bad high and low for the day.
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carbonc
Member
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Activity: 126
Merit: 60
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July 02, 2011, 03:38:54 AM |
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they just did it again. another $3 order just got filled....?
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clonedone
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July 02, 2011, 03:39:50 AM |
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wow is this a new way for trollers to troll now? throw down a btc for a penny and make ppl panic?
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Hook^
Newbie
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Activity: 56
Merit: 0
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July 02, 2011, 03:40:36 AM |
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So I tried to sell .1 BTC at a rate of $1/btc ($0.10 total). The system forced me to sell at the lowest offer, not what I specified. That means something other than a customer mistake was made in the system. I was really hoping to screw with some people too.... EDIT: No, I wasn't the person that did the $2.99 trade. You can't do that from what I explained above anyway. Give it a try if you want. You will see the same thing.
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TraderTimm
Legendary
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Activity: 2408
Merit: 1121
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July 02, 2011, 03:40:43 AM |
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That's some bullshit right there. I'm scrubbing all my data and using TradeHill numbers from the 19th on forward.
Regrettably, I have to agree. Seems the order book isn't being processed in a sane manner.
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fortitudinem multis - catenum regit omnia
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MrAnderson
Member
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Activity: 81
Merit: 10
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July 02, 2011, 03:41:12 AM |
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they just did it again. another $3 order just got filled....?
WTF is going on?! F**king sick of this. I once filled in a $16.2 order and it wasn't filled AT ALL when the price was $16.6 and now some idiot gets a $3 order filled. WTF!
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>>> 1BcfL1QAZsxtpd92YYsbvDyih45mwA9xSo << Willing to endure the cringe-worthy Australian stereotypes for donations. I'll wrestle a crocodile, show you my knife, throw shrimp on the BBQ, F**k your wife.
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geek-trader
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July 02, 2011, 03:41:43 AM |
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My standing order for 6 BTC at $15.1 was not filled.
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dank (OP)
Legendary
Offline
Activity: 1134
Merit: 1002
You cannot kill love
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July 02, 2011, 03:42:29 AM |
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they just did it again. another $3 order just got filled....?
I didn't see any other $3 order. Edit: Never mind I was making tacos at the time
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done
Newbie
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Merit: 0
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July 02, 2011, 03:42:36 AM |
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Mtgox is
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Bazil
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July 02, 2011, 03:44:18 AM |
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I saw what happened when I was looking at the order depth. Almost all of the orders disappeared so some of the low ones got filled. Then all the old orders reappeared.
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17Bo9a6YpXN2SbwY8mXLCD43Wup9ZE4rwm
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Hook^
Newbie
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Activity: 56
Merit: 0
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July 02, 2011, 03:45:13 AM |
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So I tried to sell .1 BTC at a rate of $1/btc ($0.10 total). The system forced me to sell at the highest offer, not what I specified. That means something other than a customer mistake was made in the system. I was really hoping to screw with some people too.... EDIT: No, I wasn't the person that did the $2.99 trade. You can't do that from what I explained above anyway. Give it a try if you want. You will see the same thing. So anyone have any idea on how this can happen? It obviously isn't from the customer site. Maybe it is just test trades they are doing on the production system?
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1.21gigawatts
Member
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Activity: 98
Merit: 10
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July 02, 2011, 03:45:25 AM |
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you guys didn't learn your lesson from mt gox yet?
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bitbetter
Member
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Activity: 70
Merit: 10
I want to feel your empty heart.
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July 02, 2011, 03:47:24 AM |
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you guys didn't learn your lesson from mt gox yet?
that even though the exchange gets hacked the currency stays intact?
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Bazil
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July 02, 2011, 03:48:13 AM |
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you guys didn't learn your lesson from mt gox yet?
yeah with these kinds of bugs I'm going to have to move my money somewhere else I think. I can't risk the system selling coins at 3 bucks a coin.
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17Bo9a6YpXN2SbwY8mXLCD43Wup9ZE4rwm
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cmh
Newbie
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Activity: 21
Merit: 0
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July 02, 2011, 03:50:15 AM |
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So I tried to sell .1 BTC at a rate of $1/btc ($0.10 total). The system forced me to sell at the lowest offer, not what I specified. That means something other than a customer mistake was made in the system. I was really hoping to screw with some people too.... EDIT: No, I wasn't the person that did the $2.99 trade. You can't do that from what I explained above anyway. Give it a try if you want. You will see the same thing. I just tried your experiment and the order went through. That's the way I would expect it to work. Is there something wrong with that? Wait... did you just trick me into selling 0.1 btc for a $0.10?
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epi 1:10,000
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July 02, 2011, 03:51:04 AM |
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If the new support level is $2.99 then a lot of people are screwed. Exciting times!
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Hook^
Newbie
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Activity: 56
Merit: 0
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July 02, 2011, 03:52:32 AM |
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So I tried to sell .1 BTC at a rate of $1/btc ($0.10 total). The system forced me to sell at the lowest offer, not what I specified. That means something other than a customer mistake was made in the system. I was really hoping to screw with some people too.... EDIT: No, I wasn't the person that did the $2.99 trade. You can't do that from what I explained above anyway. Give it a try if you want. You will see the same thing. I just tried your experiment and the order went through. That's the way I would expect it to work. Is there something wrong with that? Wait... did you just trick me into selling 0.1 btc for a $0.10? No, mine wouldn't do it. The order goes through, but if you look in your trade history, you see it sold for the highest offer price (around $15 or so). If you really got it to work, let us know.
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dank (OP)
Legendary
Offline
Activity: 1134
Merit: 1002
You cannot kill love
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July 02, 2011, 03:53:28 AM |
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So I tried to sell .1 BTC at a rate of $1/btc ($0.10 total). The system forced me to sell at the lowest offer, not what I specified. That means something other than a customer mistake was made in the system. I was really hoping to screw with some people too.... EDIT: No, I wasn't the person that did the $2.99 trade. You can't do that from what I explained above anyway. Give it a try if you want. You will see the same thing. I just tried your experiment and the order went through. That's the way I would expect it to work. Is there something wrong with that? Wait... did you just trick me into selling 0.1 btc for a $0.10? It didn't show up on any graph of mine.
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Hook^
Newbie
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Activity: 56
Merit: 0
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July 02, 2011, 03:53:47 AM |
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If you look at the low for Mt. Gox now, it is saying $15.4. So they scrubbed the $2.99 trade. I'm guessing it is test data they forgot to remove from production.
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cmh
Newbie
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Activity: 21
Merit: 0
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July 02, 2011, 03:54:11 AM |
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So I tried to sell .1 BTC at a rate of $1/btc ($0.10 total). The system forced me to sell at the lowest offer, not what I specified. That means something other than a customer mistake was made in the system. I was really hoping to screw with some people too.... EDIT: No, I wasn't the person that did the $2.99 trade. You can't do that from what I explained above anyway. Give it a try if you want. You will see the same thing. I just tried your experiment and the order went through. That's the way I would expect it to work. Is there something wrong with that? Wait... did you just trick me into selling 0.1 btc for a $0.10? I take it back. I placed the order, but it was filled at the highest bid.
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XRcode
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July 02, 2011, 03:58:08 AM |
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Thats enough for me lol
I think I will open an exchange for Canadian dollars. I will look into what kind of accounts will be necessary to facilitate deposit/withdrawl in Canada and maybe make an exchange site.
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jed
Full Member
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Activity: 182
Merit: 107
Jed McCaleb
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July 02, 2011, 03:59:00 AM |
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I think it is just a bug in the reporting not an actual trade.
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evolve
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July 02, 2011, 03:59:07 AM |
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If you look at the low for Mt. Gox now, it is saying $15.4. So they scrubbed the $2.99 trade. I'm guessing it is test data they forgot to remove from production.
im still showing a 2.99 low on mtgox...15.4 is the current price.
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XRcode
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July 02, 2011, 04:00:41 AM |
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If I were to take the time to setup a secure exchange, how many people would be interested in trading BTC with Canadian dollars??
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evolve
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July 02, 2011, 04:02:00 AM |
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depends on how easy/quickly i can get usd into the exchange.
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XRcode
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July 02, 2011, 04:03:30 AM |
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You would be able to directly deposit USD, you would get the current exchange rate on converting it into CAD upon entering the trading account.
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XRcode
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July 02, 2011, 04:05:25 AM |
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Nothing would ever be sold lower then the highest bid price, thats for sure.
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clonedone
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July 02, 2011, 04:07:33 AM |
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i really hope magical tux removes that... it shouldnt have sold for 2.99 if there are ppl willing to pay 10 bucks, 9 bucks, 8 bucks and so on. shouldnt the person who wanted to sell a coin at 2.99 receive the lowest asking price for it? most likely 15 bucks give or take
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evolve
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July 02, 2011, 04:08:09 AM |
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You would be able to directly deposit USD, you would get the current exchange rate on converting it into CAD upon entering the trading account.
id be interested. but for the exchange to work, a considerable amount of people are going to need to use it...thats what gox has/had going for it...id be willing to be an early adopter though.
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Rogue Star
Member
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July 02, 2011, 04:08:32 AM |
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If I were to take the time to setup a secure exchange, how many people would be interested in trading BTC with Canadian dollars??
I would like to see a Canadian exchange, volume is a huge factor though.
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you can donate to me for whatever reason at: 18xbnjDDXxgcvRzv5k2vmrKQHWDjYsBDCf
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Hook^
Newbie
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Activity: 56
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July 02, 2011, 04:09:16 AM |
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If I were to take the time to setup a secure exchange, how many people would be interested in trading BTC with Canadian dollars??
I think you are underestimating the difficulty of setting up a secure site. When there are millions of dollars on the line, suddenly every hacker in the world is gonna put all their effort on breaking your site. And they always win in the long run. The Mt. Gox debacle should give you some pause. Anyway, I think that new secure exchange site coming up in a few days will trade in multiple currencies.
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Hook^
Newbie
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Activity: 56
Merit: 0
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July 02, 2011, 04:12:41 AM |
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If you look at the low for Mt. Gox now, it is saying $15.4. So they scrubbed the $2.99 trade. I'm guessing it is test data they forgot to remove from production.
im still showing a 2.99 low on mtgox...15.4 is the current price. Bitcoincharts.com is showing a low of 15.4. Gox is still goxed at 2.99
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XRcode
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July 02, 2011, 04:12:41 AM |
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Not to be rude, but I am a network security specialist. I am well aware of what would be required in setting up a secure exchange both technically and legally.
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Tx2000
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July 02, 2011, 04:18:14 AM |
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Not to be rude, but I am a network security specialist. I am well aware of what would be required in setting up a secure exchange both technically and legally.
Really depends. CaVirtEx is in beta for quite some time; I guess it would have to depend on what you can offer compared to them
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Hook^
Newbie
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Activity: 56
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July 02, 2011, 04:18:14 AM |
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Not to be rude, but I am a network security specialist. I am well aware of what would be required in setting up a secure exchange both technically and legally.
I don't doubt you know about security. It is just that even the biggest banks get hacked with their hundreds of security experts. I wonder how you are going to do better with very limited resources. Maybe you can do all this yourself. It will be interesting to see. Expect a high stress level
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pointbiz
Sr. Member
Offline
Activity: 437
Merit: 415
1ninja
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July 02, 2011, 04:19:01 AM |
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If I were to take the time to setup a secure exchange, how many people would be interested in trading BTC with Canadian dollars??
I'd be interested
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peak
Newbie
Offline
Activity: 39
Merit: 0
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July 02, 2011, 04:20:49 AM |
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but the trade price should be still around 15.4 right?
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Hunterbunter
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July 02, 2011, 04:23:52 AM |
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Is it possible MtGox pleases the seller's price?
Like...if I'm current highest bid @ 15.4, and you're the lowest seller @ 15.5: Someone puts in a sell for $3, wouldn't I, being the highest bid, pay $3? That's pleasing the seller and assuming I'm first in line.
In reverse, if gox is pleasing the seller, if I put a bid for $1000 for 1 btc, won't I just pay 15.5?
Somehow, somewhere, there has to be a fixed decision made on who's price is taken when prices overlap.
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adamstgBit
Legendary
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Activity: 1904
Merit: 1037
Trusted Bitcoiner
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July 02, 2011, 04:24:12 AM |
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Thats enough for me lol
I think I will open an exchange for Canadian dollars. I will look into what kind of accounts will be necessary to facilitate deposit/withdrawl in Canada and maybe make an exchange site.
fuck ya I'll be on that for sure
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XRcode
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July 02, 2011, 04:30:36 AM |
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It's nice to see right away that there would be an interest in a Canadian exchange. I have just registered the domain xbtc.ca and I will start work on coding a secure, user friendly interface. I can't promise you guys a timeframe... This will be a HUGE project... but I have alot of time on my hands and I would like to bring something to the bitcoin community. I will take my time and do it right. Hopefully we can have something operational in six to eight months. Glad to see an interest and will see you all on xbtc.ca in the future
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done
Newbie
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Activity: 56
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July 02, 2011, 04:34:14 AM |
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Build it guys. Canada needs it.
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XRcode
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July 02, 2011, 04:37:52 AM |
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Yes, Canada does need it. I did it for my country xbtc.ca coming soon... as soon as I can code it, get a lawyer, and the appropriate accounts it will be here.
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bitfon
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July 02, 2011, 04:40:56 AM |
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I frequently see bids that are greater than asks on the Gox ticker API, and even in their trading UI. The ticker often bears little resemblance to the order book.
Amateurs.
And yet they've got the most liquid market, narrow spreads and faster transfers in/out for USD and BTC.
What are you gonna do?
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ForEasy.me пoмoгaeт aвтoмaтичecки и пo выгoднoй цeнe инвecтиpoвaть в Bitcoin и дpyгиe кpиптoвaлюты. Cтpaтeгия ycpeднeния paбoтaeт нa Bac. Haчнитe ceйчac!
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evolve
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July 02, 2011, 04:57:24 AM |
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If you look at the low for Mt. Gox now, it is saying $15.4. So they scrubbed the $2.99 trade. I'm guessing it is test data they forgot to remove from production.
low price on mtgox shows 15.26 now what the hell is going on?
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toddbethell
Jr. Member
Offline
Activity: 49
Merit: 1
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July 02, 2011, 05:08:12 AM |
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About half and hour ago I sent a message to both Mt.Gox and Bitcoin Charts asking for these to anomalies to be erased. I was told that Mark is up and working on it. No explanations yet but at lease he has erased it. now I'm hoping it will be erased from Bitcoin Charts before the weekend traders see it on Saturday morning. If you know what I mean.
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mizerydearia
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July 02, 2011, 05:18:42 AM |
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The data seems to be censored/deleted/removed from mtgox.com data files. Here's from #bitcoin-market on freenode: Jul02 03:13:02 mtgox 0.4691 @ 2.99 USD Jul02 03:33:02 mtgox 8.8963 @ 15.4051 USD Jul02 03:33:05 mtgox 9.0000 @ 15.40509 USD Jul02 03:33:09 mtgox 1.5237 @ 15.40509 USD Jul02 03:33:09 mtgox 1.5237 @ 15.4054 USD Jul02 03:33:09 mtgox 1.5237 @ 15.4054 USD Jul02 03:33:10 mtgox 1.5237 @ 15.4054 USD Jul02 03:33:10 mtgox 1.5237 @ 15.4054 USD Jul02 03:33:10 mtgox 1.5237 @ 2.99 USD Jul02 03:33:54 mtgox 0.1000 @ 15.4054 USD Jul02 03:33:54 mtgox 0.1000 @ 15.4054 USD Jul02 03:33:54 mtgox 0.1000 @ 15.4054 USD Jul02 03:34:01 mtgox 0.1000 @ 2.99 USD Jul02 03:36:15 mtgox 2.0000 @ 15.4055 USD <MagicalTux> trades 1309576382390945, 1309577590796944 and 1309577641517737 were executed at a wrong amount due to a bug, so they were fixed and re-executed under a new tid
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DamienBlack
Jr. Member
Offline
Activity: 56
Merit: 1
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July 02, 2011, 05:26:47 AM |
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The random pops are a glitch that have been coming up since the reopening. I'm not sure whether trades are really being executed, or whether it is just noise in the history.
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mizerydearia
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July 02, 2011, 05:42:56 AM |
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The random pops are a glitch that have been coming up since the reopening. I'm not sure whether trades are really being executed, or whether it is just noise in the history.
As I posted just prior to you, MagicalTux acknowledged that they were executed.
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Frank White
Newbie
Offline
Activity: 36
Merit: 0
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July 02, 2011, 06:02:11 AM |
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im switching all over to trade hill.. lets get some money in that exchange!! Put some volume there and get the wheels moving!
Im tired of this buggy trade matching, shitty excuses, and security issues...
mtgox has been moving like a snail due to their Ask/Bid prices being cluster-F**** all the time...
Tradehills trade engine has been great and solid.. their layout sucks but whatever, it will come in due time
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bitfon
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July 02, 2011, 06:11:23 AM |
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Looks like most of the entire order book got wiped. Here's what it looked like at 1309577584 (2011-07-02 03:33:04 GMT).
No asks at all, and max bid was $4.93.
bid 1 24225.55191 bid 1.001 1105.16283716 bid 1.003 60 bid 1.01 1115.57255445 bid 1.0101 0.0096624 bid 1.011 10020 bid 1.0111 13.38 bid 1.01111 495.01043408 bid 1.01234 100 bid 1.0124 1.24887396 bid 1.013 200 bid 1.017 55 bid 1.02001 100 bid 1.021 702.93730656 bid 1.03 10 bid 1.05 200 bid 1.06 99.26725471 bid 1.071 50 bid 1.1 1295.4373 bid 1.102 47.03119782 bid 1.11 208.9 bid 1.112 68.01303956 bid 1.12 869.9703125 bid 1.15152 1 bid 1.17 100 bid 1.18 40 bid 1.193 3 bid 1.2 164.01 bid 1.22 0.37213114 bid 1.2222 8356.36 bid 1.23 395 bid 1.23457 50 bid 1.2401 30.95 bid 1.25 100 bid 1.271 19.45003933 bid 1.3 152.08 bid 1.32 150 bid 1.345 8000 bid 1.36 10 bid 1.37051 10 bid 1.42 210.66 bid 1.5 45.13684666 bid 1.50198 72.99697732 bid 1.51 1000 bid 1.55 40 bid 1.58001 3 bid 1.6 30.475 bid 1.62 2 bid 1.7 437.77953529 bid 1.70001 0.00411762 bid 1.701 0.31788947 bid 1.74 28.85 bid 1.78 1.25 bid 1.8 62.51 bid 1.9 0.88680526 bid 1.9999 100 bid 2 530.068715 bid 2.01 483.07860696 bid 2.02 56 bid 2.05 7 bid 2.1 128.761 bid 2.11 7 bid 2.1122 40 bid 2.15152 1 bid 2.24 10 bid 2.3 123 bid 2.32 90 bid 2.33 50 bid 2.3447 4691.51 bid 2.39 134 bid 2.4 0.1 bid 2.42 50 bid 2.5 355 bid 2.51 5.75697211 bid 2.55 34 bid 2.571 20 bid 2.6 18.0769 bid 2.602 29.89 bid 2.73 11.83 bid 2.87 1 bid 2.91 25 bid 2.99 702.67103008 bid 3 853.31725998 bid 3.0001 211 bid 3.01 84.64 bid 3.011 5 bid 3.03 34.05 bid 3.05 10 bid 3.09 0.26960194 bid 3.1 25.1613 bid 3.11 100.66 bid 3.15152 1 bid 3.2 61 bid 3.24 8.7 bid 3.27 8000 bid 3.32 60 bid 3.33 11.82 bid 3.3999 24 bid 3.418 23 bid 3.5 185 bid 3.55 30 bid 3.6 17.4756 bid 3.7 1000 bid 3.71 8.82 bid 3.89 55.7110694 bid 4 1114.6007125 bid 4.01 20 bid 4.04 13.07 bid 4.09 20 bid 4.1 28.75583902 bid 4.1401 12 bid 4.15152 1 bid 4.32 50 bid 4.4354 1578.21 bid 4.44 1 bid 4.5 10 bid 4.51 10 bid 4.54 5300 bid 4.55 20 bid 4.6 10.2174 bid 4.61 18.44 bid 4.8 1000 bid 4.801 10.01 bid 4.9 6 bid 4.93 21
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Jered Kenna (TradeHill)
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July 02, 2011, 07:42:44 AM |
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Yes, for those who wonder - a proper order book fills at the best bid/offer. "Stub" bids and offers way off the market price don't get priority if there is something resting higher or lower. I sincerely doubt there was nothing between 15.50 and 3.00. Has to be some kind of problem we don't know the details about yet.
We don't need this, honestly.
Hi TraderTimm, Yep! Here is an example of how most exchanges work: When you enter a limit order, we will attempt to settle you with the most aggressive outstanding order on the other side. If that order is not sufficient to fill your order, we will look at the next most aggressive order. The price you settle at will be the price of the already outstanding order. Here's a simple example. There are already the following limit orders in the system: BUY 1 BTC @ 17 USD BUY 2 BTC @ 18 USD BUY 1 BTC @ 19 USD SELL 1 BTC @ 20 USD SELL 2 BTC @ 21 USD SELL 1 BTC @ 22 USD You submit a limit order to BUY 3.5 BTC @ 22.5 USD. Here is what happens: 1) You buy 1 BTC at 20 USD each 2) You buy 2 BTC at 21 USD each 3) You buy 0.5 BTC at 22 USD each 4) Your order is now completely filled. What if, instead, you'd submitted a limit order to SELL 3.5 BTC @ 16.5...? Here is what would have happened: 1) You sell 1 BTC at 19 USD each 2) You sell 2 BTC at 18 USD each 3) You sell 0.5 BTC at 17 each 4) Your order is now completely filled Under a different method ( potentially what happened here ), users who'd submitted orders earlier received a slightly higher priority in the matching process. Unfortunately under some circumstances this would result in non-optimal prices being chosen for new incoming orders. Such things as filling an order way below the market price simply because this bid is entered.
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moneyandtech.com @moneyandtech @jeredkenna
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d.james
Sr. Member
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Firstbits: 12pqwk
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July 02, 2011, 08:11:26 AM |
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They better not roll'em back this time...
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You can not roll a BitCoin, but you can rollback some. Roll me back: 1NxMkvbYn8o7kKCWPsnWR4FDvH7L9TJqGG
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J.
Newbie
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July 02, 2011, 08:34:23 AM |
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Yes, for those who wonder - a proper order book fills at the best bid/offer. "Stub" bids and offers way off the market price don't get priority if there is something resting higher or lower. I sincerely doubt there was nothing between 15.50 and 3.00. Has to be some kind of problem we don't know the details about yet.
We don't need this, honestly.
I had a order for 8$ and dit not get 1 BTC?
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toddbethell
Jr. Member
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July 02, 2011, 10:34:43 AM |
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I am greatful that Mark Karpeles erased the trade errors from his charts so quickly and that Nils Schneider at Bitcoin Charts (also a bitcoin developer) did the same.
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Raoul Duke
aka psy
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July 02, 2011, 10:59:54 AM |
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No way, after the hack Mt. Gox is 100% secure and no bugs.
I won't take your word for it, sorry!
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BubbleBoy
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July 02, 2011, 12:03:58 PM |
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Is it possible MtGox pleases the seller's price?
[...]
Somehow, somewhere, there has to be a fixed decision made on who's price is taken when prices overlap.
IMHO the algorithm that makes sense, outlined by Jered should be this: 1. If the newest order has overlapping offers in the book, than those should be matched, best first 2. If not, it's added to the order book (the book, by definition, has no overlap; if it somehow shows overlap, orders should be matched at the single price that eliminates overlap) So the decision should always favor the newest order, on the principle that the current order book is a fair representation of the market state; whoever is bidding against the market is either making a mistake or acting on erroneous information, so he should be protected against his folly. A bellow-market order means 'give me the best price, now' and the exchange should interpret it in this manner since it's generating volume and business (standing orders don't). Also, a match close to the 'real' market value maximizes the fee earned from both the seller and the buyer.
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gigabytecoin
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July 02, 2011, 12:31:31 PM |
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Thats enough for me lol
I think I will open an exchange for Canadian dollars. I will look into what kind of accounts will be necessary to facilitate deposit/withdrawl in Canada and maybe make an exchange site.
If I were to take the time to setup a secure exchange, how many people would be interested in trading BTC with Canadian dollars??
I would like to see a Canadian exchange, volume is a huge factor though. Not to be rude, but I am a network security specialist. I am well aware of what would be required in setting up a secure exchange both technically and legally.
Really depends. CaVirtEx is in beta for quite some time; I guess it would have to depend on what you can offer compared to them Build it guys. Canada needs it.
Canada already has a GREAT secure, working, cheap (you can withdraw cash to almost any bank with your email address in just 7 hours for $6.50, or $3 directly to a bank account). They just re-opened their doors today after finalizing all the legal stuff there was to take care of. I just deposited a bunch a few BTC and everything is going great. I do still encourage XRcode to build his own exchange however. We can always use another!
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BitcoinPorn
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July 02, 2011, 01:50:37 PM |
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The people at reddit have been on this http://www.reddit.com/r/Bitcoin/comments/ieqli/mtgoxed_again_captcha_behaxq/09:41 <MagicalTux> both sides were balanced 09:41 <iamboxxy\yousee> so why the $2.99 value? 09:42 <MagicalTux> because someone sold at 2.99 09:42 <MagicalTux> the matching system did a mistake however, and didn't process at the right price 09:42 <__doc__> MagicalTux: can you confirm that my understanding of the bug is correct? I understand that somebody entered a sell order selling 0.47btc@2.99$, and then the wrong bid was picked to fill that (the lowest one) first. 09:42 <MagicalTux> this was fixed now 09:42 <MagicalTux> __doc__: exact
09:51 <bittwist> __doc__: so if it continued for every trade, it would of been all over then eh 09:52 <MagicalTux> bittwist: except in this case it's an edge case, that happened because of a specific user's specific trades 09:52 <MagicalTux> and it's a specific case which is now handled & fixed The issue is the following: A sell order for 0.47btc@2.99$ should have executed high, not low. This is because the standing buy orders close below 15$ should have caught it long before a buy order @ 2.99$ would've been executed. That being said, we're going to panic now about 0.47btc. Really? Some matchmaking bug caused two orders to meet where they should not have, and you're all panic wombats again. Why can't mtgox detect sudden drop and suspend trades temporary?
While you can detect specific types of anomalies, you can't really detect all such behavior. You have to take into account the accuracy of the detection, and the scale at which it needs to operate, and how much delay there will be before it is noticed.
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mizerydearia
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July 02, 2011, 01:56:09 PM |
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I am grateful that Mark Karpeles erased the trade errors from his charts so quickly and that Nils Schneider at Bitcoin Charts (also a bitcoin developer) did the same.
It was initially brought to tcatm's attention by Keefe with him stating "tcatm: would you consider removing the bad mtgox trades from the charts?" I believe the general community consensus is to encourage and help MtGox (and all other affiliated data traces including popular bitcoincharts.com) cover such mistakes/bugs from being historically public from original data sources. This is a common recurring trend that is for example heavily integrated into educational and informational (e.g. wikipedia) systems where many such educational and informational contents are manipulated or controlled/censored/restricted.
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TraderTimm
Legendary
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July 02, 2011, 02:01:52 PM |
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This whole order-matching incident doesn't instill confidence in me, at all. It makes me question how the trade engine was validated, to begin with. Just off the top of my head, the one thing you don't want happening is your code not catching input problems. This is a basic concern for anything with any serious responsibilities.
I'm not a QA expert, but you'd better believe I would stress-test my algorithm by giving it a specially crafted 'junk' pile of inputs, to see if it could fail gracefully at worst, at best - ignore the false inputs and continue flawlessly. As I'm sure MagicalTux is aware, any continued problems will contribute to declining volume at his exchange.
Please get it right, for your sake and ours.
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fortitudinem multis - catenum regit omnia
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mizerydearia
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July 02, 2011, 02:03:14 PM |
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Please get it right, for your sake and ours. 1) And if you don't get it right, some (or most) of us will continue to support and/or accept you until you do 2) 3) profit!
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Tril
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July 02, 2011, 02:21:43 PM |
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Just a few minutes ago, over $100k of asks were skipped for this trade: Jul02 13:08:51 mtgox 1.5324 @ 15.701 USD Jul02 13:08:51 mtgox 1.4364 @ 15.70099 USD Jul02 13:08:51 mtgox 1.5235 @ 15.70099 USD Jul02 13:08:53 mtgox 1.4281 @ 15.70099 USD Jul02 13:08:53 mtgox 1.5146 @ 15.70099 USD Jul02 13:08:57 mtgox 1.4198 @ 16.70 USDJul02 13:09:16 mtgox 5.0650 @ 15.70099 USD Jul02 13:09:16 mtgox 1.0000 @ 15.71999 USD Jul02 13:09:16 mtgox 0.5700 @ 15.72 USD Jul02 13:09:16 mtgox 3.1777 @ 15.798 USD Jul02 13:09:16 mtgox 0.2638 @ 15.798 USD The 16.7 appeared on mtgoxlive.com as a spike. I pointed this out in #mtgox IRC, and MagicalTux happened to be there and a minute later the trade disappeared from the graph. He is also working on fixing this bug right now. I fixed a few bugs, and I'm close to get this one fixed too, for info it doesn't come from matching but from something else
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adamstgBit
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Trusted Bitcoiner
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July 02, 2011, 03:43:26 PM |
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Canada already has a GREAT secure, working, cheap (you can withdraw cash to almost any bank with your email address in just 7 hours for $6.50, or $3 directly to a bank account).
They just re-opened their doors today after finalizing all the legal stuff there was to take care of.
I just deposited a bunch a few BTC and everything is going great.
I do still encourage XRcode to build his own exchange however. We can always use another! [/quote]
whats it called?
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Nagle
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July 02, 2011, 04:12:44 PM |
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And if you don't get it right, some (or most) of us will continue to support and/or accept you until you do
Look at the market depth on Mt. Gox and Tradehill on the "bid" side. A few days ago, Mt. Gox had 6x the market depth of Tradehill. Today, it only has 3x. That number reflects how much real cash people have in the exchange. Buyers are bailing out of Mt. Gox. Sellers of Bitcoins, not so much. Mt. Gox is more volatile than Tradehill, which, as I pointed out before, is backwards. The bigger market should be less volatile. Some of the volatility on Mt. Gox may simply be because the exchange system is buggy and is mismatching orders. Their "queuing delays" don't help, either. They're either inept or manipulating the market. Not sure which. (I'm not recommending Tradehill; we still don't know if, long term, they can be trusted not to lose or steal deposits. But they seem to have the mechanics of their market working better.)
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Piper67
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July 02, 2011, 05:02:48 PM |
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Canada already has a GREAT secure, working, cheap (you can withdraw cash to almost any bank with your email address in just 7 hours for $6.50, or $3 directly to a bank account).
They just re-opened their doors today after finalizing all the legal stuff there was to take care of.
I just deposited a bunch a few BTC and everything is going great.
I do still encourage XRcode to build his own exchange however. We can always use another!
whats it called? [/quote] It's Virtex ( www.cavirtex.com), and I can attest that to fund your account it usually takes under an hour. You just do an e-transfer from any Canadian bank account. Not sure how it works going the other way around, but as soon as I start to panic and sell my BTC I'll be sure to let you know
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jalidi
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July 02, 2011, 06:49:21 PM |
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I can verify that cavirtex.com works exactly as reported by other forum users in the earlier http://forum.bitcoin.org/index.php?topic=13668.0 thread regarding this exchange. I'm registered with TD Bank in Toronto and I had no issues depositing or withdrawing funds in CDN as they seem to be affiliated. It arrives in under an hour electronically. Transferring 50 BTC takes about an hour, as they required 6 verifications. The exchange is out of open beta, I believe there is now a 1% cost for selling/buying. Definitely sets the standard for a Bitcoin Exchange in Canada!
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Hook^
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July 02, 2011, 08:37:11 PM |
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Since the Mt.Gox engine seems to not have been validated, has anyone tried anything like putting a negative number in the sell price? Or a negative number of coins to sell?
I wonder what kind of havoc that would cause if it isn't cleaned up.
Another thing they need to test for is very large integers. If they mixed signed and unsigned numbers in any stage of their process, a very large integer will be interpereted as a negative number, even though it wasn't negative in the input box.
Maybe Mark should look into this...
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