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人们很容易只关注进出场点位，但在这个游戏中真正长久的关键往往在于你每笔交易承担多少风险。仓位大小不仅仅是随意给出一个数字；它是一个关键的风险管理工具，通过根据你预设的每笔交易风险和止损距离，确定买入或卖出的适当单位数量（股票、手数、合约）来保护你的资金。例如，如果你在一笔交易中承担1%的资金风险，并且你的止损点距离为50点，那么这决定了你的仓位大小，而不是某个任意的整数。这种数学方法有助于管理回撤，并确保即使是亏损的单笔交易，也不会对你的整体账户健康造成过大的影响。
While position sizing is critical, many beginners still struggle with adhering to their pre-defined risk, especially after a series of losses. How do you account for the psychological aspect of actually sticking to the plan when emotions run high?
Absolutely, it's the less glamorous but arguably more important part of the puzzle. Many skip over it, focusing only on entry/exit, but managing risk through proper sizing is what keeps you in the game long-term.
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