[bjc]

write a HFT bitcoin bot

[t0]

The exchanges charge 0.5% per trade. This isn't feasible once you look at the numbers.

[aianus]

Why wouldn't it work if the spread was high enough?

[anonymoushn]

Sure. It would also help if the exchange took less than 10 minutes to execute trades.

[KingMob]

Exactly. I'm writing a (low-frequency) arbitrage program in Clojure for fun, but the long confirmation time for BTC and the inability to move non-BTC currencies between exchanges greatly limits this in practicality.