OCO (One-Cancels-Other)
A pair of linked orders where the execution of one automatically cancels the other — most commonly a take-profit limit and a stop-loss protecting the same shares. Without OCO linkage, a filled stop could leave a live sell limit that later executes as an accidental short.
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Related terms
Bracket OrderAn entry order packaged with both of its exits: a take-profit above an…Stop-Loss OrderA resting order that triggers a sale when price falls to a set level, …
Backtests are hypothetical, computed by DeployQuant's engine on minute-resolution consolidated US market data (2021-01-04 to 2026-07-17, $10,000 starting capital, no margin, fees and slippage not modeled) and do not guarantee future results. Nothing on this page is investment advice. Live trading involves risk of loss.