Coinbase’s order-type education explains a stop-limit order as an instruction that places a limit order when the market reaches a stop price. That means the trader is choosing two prices, not one: the stop price that activates the order and the limit price that defines the worst acceptable execution. The feature can help protect profits, limit losses or enter a new position, but it does not guarantee a fill.
The workflow should start before the trade. First define the invalidation level, then decide whether a limit order below that level still has enough room to execute in a fast tape. A tight stop with an even tighter limit may never fill during a sharp move. A very wide limit may fill but create more loss than the trader expected. The right setup depends on liquidity, spread, position size and whether the asset trades calmly or gaps through levels.
A practical checklist is to write the entry, stop trigger, stop-limit price and maximum account loss before pressing buy. Use smaller size for thin altcoins, check the order book, avoid placing the trigger at an obvious round number and review open orders after volatility changes. Stop-limit orders are a tool for discipline, not a replacement for position sizing.
Sources: Coinbase Learn order types; Coinbase Help on Advanced Trade order types; Coinbase Markets trading rules.
Risk notice: Stop-limit orders can remain unfilled in fast markets. Crypto assets can gap, spreads can widen and fees or slippage can change the actual result.
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