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Author Topic: Bitcoinica made order book public  (Read 2530 times)
zhoutong
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March 29, 2012, 12:36:09 PM
 #1

Now, the limit order book is public.

Order Book: https://www.bitcoinica.com/pages/order_book

Our to-do list:

- Make it "live".
- Make platform-wide trade history public.
- Make it available via APIs.

Founder of NameTerrific (https://www.nameterrific.com/). Co-founder of CoinJar (https://coinjar.io/)

Donations for my future Bitcoin projects: 19Uk3tiD5XkBcmHyQYhJxp9QHoub7RosVb
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ElectricMucus
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March 29, 2012, 01:21:07 PM
 #2

why suddenly?

IIRC you always argued that doing so would be a disadvantage to bitcoinca users.

First they ignore you, then they laugh at you, then they keep laughing, then they start choking on their laughter, and then they go and catch their breath. Then they start laughing even more.
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March 29, 2012, 01:23:18 PM
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IIRC you always argued that doing so would be a disadvantage to bitcoinca users.

What are you talking about?  We were always at war with Eurasia.

(BFL)^2 < 0
Bigpiggy01
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March 29, 2012, 01:40:33 PM
 #4

Finally  Grin

Oh and Zhoutong this is a step in the right direction +10000000

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March 29, 2012, 01:44:42 PM
 #5

cool, so is it safe to say that you are no longer matching mtgox orders?

Bitcoinica still has not given me 50% of my claim of 600 BTC
INTERSANGO can go down with bitcoinica for abandoning customers
Alberto Armandi is a SCAMMER
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March 29, 2012, 02:28:30 PM
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Bravo.

Looking pretty long (with plenty of dry powder) on bitcoinica.

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March 29, 2012, 03:15:11 PM
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zhou, I hope the huge askwalls are fake.

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March 29, 2012, 03:20:46 PM
 #8

zhou, I hope the huge askwalls are fake.
Grin Grin Grin Grin

Yay leverage! Short sell all the Bitcoins x10!

HAHAHA. It’s on the bids now too.
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March 29, 2012, 03:24:01 PM
 #9

zhou, I hope the huge askwalls are fake.
Grin Grin Grin Grin

Yay leverage! Short sell all the Bitcoins x10!

HAHAHA. It’s on the bids now too.

lulz... completely useless orderbook

(BFL)^2 < 0
Nekrobios
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March 29, 2012, 03:25:51 PM
 #10

Not completely, you can divide it by 10 and see which capital the owners at least have on Bitcoinica, unless this is caused by some kind of bug.
bzzard
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March 29, 2012, 04:16:45 PM
 #11

When we can expect API?

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flower1024
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March 29, 2012, 05:11:21 PM
 #12

why no stop orders?

bzzard
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March 29, 2012, 05:12:36 PM
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@bzzard  u want walls like this one ?


I don't get it... why there should be walls like this?

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March 29, 2012, 05:19:23 PM
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@bzzard  u want walls like this one ?


I don't get it... why there should be walls like this?
u asked for a api is likly that you want to make a chart like mtgox chart, because bitcoinica put orders on the book even if ppl dont have the funds the chart can be full of walls
But they must have at least 1/10 of funds right?

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MelMan2002
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March 29, 2012, 05:24:39 PM
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@bzzard  u want walls like this one ?


I don't get it... why there should be walls like this?
u asked for a api is likly that you want to make a chart like mtgox chart, because bitcoinica put orders on the book even if ppl dont have the funds the chart can be full of walls
But they must have at least 1/10 of funds right?
nope - any limit order can be placed with 0 funds
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March 29, 2012, 05:33:40 PM
 #16

bitcoinica越办越好!

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guruvan
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March 29, 2012, 07:40:14 PM
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Interesting. Watching the spread earlier of $4.70/4.81 I saw orderbook w/ a spread more like $4.77/$4.78. I had a sell order inside the spread. A 1400+ buy order @ $4.85 showed on the book, which I watched get filled, without any of the ask side moving, including my order inside the spread.

I'm thinking that's not super helpful. If the above is truly what happened (and I do have a series of screenshots) and wasn't a bug (I saw millions of BTC on order) well.....I just don't know how to explain how

$4.70 > $4.85 < $4.81  Huh with supporting volume inside the spread  Huh

I understand you're not showing all the actual orders, but...hmm - I guess I have to wonder what the spread has to do with reality.

zhoutong
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March 29, 2012, 08:04:45 PM
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Interesting. Watching the spread earlier of $4.70/4.81 I saw orderbook w/ a spread more like $4.77/$4.78. I had a sell order inside the spread. A 1400+ buy order @ $4.85 showed on the book, which I watched get filled, without any of the ask side moving, including my order inside the spread.

I'm thinking that's not super helpful. If the above is truly what happened (and I do have a series of screenshots) and wasn't a bug (I saw millions of BTC on order) well.....I just don't know how to explain how

$4.70 > $4.85 < $4.81  Huh with supporting volume inside the spread  Huh

I understand you're not showing all the actual orders, but...hmm - I guess I have to wonder what the spread has to do with reality.


That's why Bitcoinica is not an exchange. We rely heavily on Mt. Gox liquidity.

Our pricing algorithm doesn't take the order book into account.

The background: I was surprised when I see the order book myself. I haven't done that for a long time. I didn't know that we have SO MUCH liquidity! I was always under the impression that people are mostly interested in market or near-market orders.

We are displaying our book in a format that's similar to an exchange, and it doesn't mean that we have to match these orders in the exchange way.

Founder of NameTerrific (https://www.nameterrific.com/). Co-founder of CoinJar (https://coinjar.io/)

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guruvan
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March 29, 2012, 09:39:23 PM
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$4.70 > $4.85 < $4.81  Huh with supporting volume inside the spread  Huh

I understand you're not showing all the actual orders, but...hmm - I guess I have to wonder what the spread has to do with reality.


That's why Bitcoinica is not an exchange. We rely heavily on Mt. Gox liquidity.

Quote
Our pricing algorithm doesn't take the order book into account.
it appears more based on the MtGox price.

Quote
The background: I was surprised when I see the order book myself. I haven't done that for a long time. I didn't know that we have SO MUCH liquidity! I was always under the impression that people are mostly interested in market or near-market orders.

with so much slippage potential, I'm sure many folks don't use market orders (or others that execute as market orders) I try to only use them when I have a reasonable guess the slippage will be light.

If there is so much liquidity, and there are orders on the books, why don't orders fill? Wink

Quote
We are displaying our book in a format that's similar to an exchange, and it doesn't mean that we have to match these orders in the exchange way.

No...you fill orders more like a broker, and that's what I'd expect. I also expect wider spreads. IMO, your pricing bot is a little overcautious, spreads a little wide, but I understand you have to mitigate risks, too Grin

I really don't pay much attention to the orderbooks myself, though it's very interesting info indeed. I guess I found it surprising that the spread, the orderbook, and the actual fills have rather different values.

It does shed some light perhaps on why it's difficult for me to make an intraday trade work (at bitcoinica).

All in all, +10 on the website update. The interest page improvements are great!

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March 30, 2012, 03:06:48 AM
 #20

If you are going to allow fake orders, why even have this?


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