Does Modifying an Order Lose Queue Priority?
Changing the price of a limit order gives up queue priority. What an amendment costs in fill probability, plus the break even re-price distance for a bot.
#trading bots
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Self-Match Prevention and Wash Trades
Self-match prevention stops your own two orders from trading with each other. How SMP works inside the matching engine, and where wash trade law begins.
Grid Trading Bots, Examined Honestly
A grid trading bot buys each step down and sells each step up inside a fixed range. See the market shape that pays for the mechanism and the one that breaks it.