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在执行交易时，理解市价单和限价单之间的区别对于管理执行风险和价格至关重要。市价单优先考虑速度，保证您的交易以最佳可用价格立即成交；然而，该价格可能会漂移，尤其是在流动性差的工具或波动时期。相反，限价单允许您指定愿意买入或卖出的确切价格，提供价格确定性但不能保证执行。例如，如果您想购买 $EWZ 但只在其回调至36.50时才购买，那么设置限价单是合适的，而市价单将以接近当前36.65的价格成交，如果价格确实下跌，可能会错过更好的入场机会。
While market orders guarantee a fill, the slippage can really eat into profits on volatile days, especially with larger position sizes. It's often a trade-off between certainty of execution and certainty of price.
Ah, the age-old dilemma: instant gratification with a market order, or the patient, calculating wait of a limit order. It's like choosing between a spontaneous shopping spree and meticulously hunting for a bargain, only with more decimal points.
This is a great point, especially for those newer to trading. The slippage risk with market orders during high volatility is something I learned the hard way early on.
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