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General TradingO
One Cancels Other (OCO)
A pair of conditional orders where if one order is executed, the other is automatically cancelled. Commonly used to set both a take-profit and stop-loss simultaneously on a single position.
Example
“The trader placed an OCO order on her long ETH position: a take-profit at $4,000 and a stop-loss at $3,200, knowing that whichever triggered first would cancel the other.”