Technical Definition

One-Cancels-the-Other (OCO) Order

A paired conditional order where executing one automatically cancels the other (typically a take-profit limit + stop-loss).

By Crypto University Editorial
Bracket OrderStop-LimitConditional Orders

Key Insight

Why It Matters: Automates risk-reward management in one setup; prevents emotional overrides and ensures disciplined exits without constant monitoring. How It Works: Submit both orders linked; whichever triggers first (e.g., price hits TP or SL) executes and cancels the counterpart. Common Mistak

Common Misconceptions

It is often mistaken for similar sounding terms, but the technical implementation is distinct.

Detailed Explanation

Why It Matters: Automates risk-reward management in one setup; prevents emotional overrides and ensures disciplined exits without constant monitoring. How It Works: Submit both orders linked; whichever triggers first (e.g., price hits TP or SL) executes and cancels the counterpart. Common Mistakes: Setting unrealistic levels (one side never triggers); not adjusting for volatility. FAQs Same as bracket? Often yes — many platforms call bracket OCO + entry. Works on spot? Yes on many CEX now.

In Practice

Long ETH at $3,000 — set OCO with TP limit sell at $3,300 and SL stop at $2,850; if it pumps, TP fills and SL cancels; if dumps, SL fills and TP cancels.

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