Realtime aggregation of bitcoin exchange orderbooks.

• Negative spread values indicate arbitrage opportunities.
• Spread is shown as USD value per 1 bitcoin.
• Often you can buy cheap at BTC-e and sell high at Bitstamp.net. But don't forget exchange fees!
• The orderbooks of the exchanges are way deeper than shown in this application
• Some BTC-e orders appear and disappear although they are not close to the market.
• BTC-e orders in BTC-e API can be diverge from what you see in the BTC-e Web GUI.
• Coinsetter seems to replicate Bitstamp orders. Use filters to check this out.
• Often order sizes are very small. Use filters to view only bigger orders.
• There is no real market maker.