Now Satoshi Dice
has been sold off, is ASICMiner the only decent security left with a healthy, long term dividend return? (Apart from meta-securities like BTCInvest which invest in other securities).
LTC-Global fits that bill nicely, although it is traded in Litcoins not Bitcoins, on litecoinglobal.com. As far as I can see there isn't a passthrough on btc-tc (yet).
For the sake of transparency I own at least 10 shares of it and am therefor a board member, so keep that in mind. (For the sake of bragging I bought in a few months ago at under 70LTC, and it has traded for over 300LTC recently.
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With yield below 5%, along with thin volume and huge bid-ask spread. I think coins are better put to work elsewhere. I would recommend looking at 796 exchange. For full disclosure, I do trade on 796 and own 796 stock.
796's 'btc-settled' future on BTCUSD exchange rate brings something new to the table and allows one to either hedge their BTC, arbitrage opportunity, or long / short BTC with leverage!
Also, you can trade ASICMINER passthrough there as well.