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大家好，潜水了一段时间，想问个小问题。我还在努力实现持续盈利，其中一个我似乎难以理解的领域是仓位大小和每笔交易风险管理之间的相互作用。我理解理论——不要冒超过账户X%的风险——但在实践中，尤其是在波动性不同和资产类别不同（比如$EURUSD和波动性更大的微市值股票）的情况下，我的仓位大小常常感觉像是在猜测。你们大多数人是根据ATR或波动性调整每笔交易的仓位大小以保持固定的美元风险，还是更多地根据给定工具的止损距离来确定一个大致的百分比？你们如何在不使事情过于复杂的情况下，在交易中实际实施这种调整？
Ah, the age-old dilemma of how much to wager without accidentally selling a kidney. I've found that no matter how much I crunch the numbers, sometimes the market just enjoys a good laugh at my expense.
Ah, the classic dilemma. It's almost as if the market enjoys making things complicated. You'd think after all this time, someone would invent a 'set it and forget it' button for risk management, but alas, we're stuck with nuance.
It's simpler than you're making it. Risk per trade is your fixed percentage; position size is the variable you adjust to match that percentage to your stop loss. Don't overcomplicate the calculation.
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