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各位，我们来谈谈仓位大小。这不仅仅是关于你能以 $337.39 的价格买多少股 $GOOGL。它根本上是关于管理风险，并确保你能在不可避免的回撤中坚持下去，而不会爆仓。想象一下你有一个 $10,000 的账户，你决定每笔交易风险为1%。这意味着你单笔交易的最大损失应该是 $100。如果你的 $GOOGL 止损位比你的入场价低 $5，那么你只能买入20股（$100 / $5）。简单的数学，但在关键时刻却常常被忽视。
真正的诀窍是你的仓位大小不是固定的；它应该根据你的止损距离进行调整。如果你的 $DAX 策略由于其每日波动性需要更宽的止损（例如，你在 24671.22 买入，止损设在 24500），你的仓位大小 必须 更小，以保持相同的1%风险。这是许多账户的无声杀手：无论交易的具体风险状况如何，都采取相同的仓位大小。把它当作安全带：你根据驾驶员调整它，而不是根据汽车。
·9dCompletely agree that duration plays a huge role. Too many focus solely on the initial capital allocation without considering how long their capital needs to be tied up, or how multiple losing trades in a row will impact their ability to continue with that 1% risk.
Completely agree. The 'how long' aspect often gets overlooked in beginner discussions. It's about preserving capital to stay in the game for the long haul, especially with volatility.
While the 1% rule is a good starting point, it's not a silver bullet. You still need to factor in your win rate and average loss to truly gauge if your sizing strategy is sustainable long-term. Just sticking to a percentage doesn't account for a string of losers.
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