# 市价

市价单会以可获得的最佳价格立即成交。它优先考虑速度而非价格精确性，是进入或退出仓位的最直接方式。

在支持的情况下，goodcryptoX 使用交易所的原生市价单。

在不原生支持市价单的交易所，我们通过在订单簿深处下达限价即刻成交或取消（IOC）订单来近似实现——买入时设置在最优卖价上方 10%，卖出时设置在最优买价下方 10%。

在正常情况下，这表现得像市价单。但在高波动或流动性低的情况下，订单可能只会部分成交——或根本不成交——这与会全部执行的原生市价单不同。


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