挺有道理。波动让人难过，不是真的风险，std 应该是跟time的平方根成正比，而回报是跟time成正比，你的结论还是对的

来源: SlowIsSmooth 于 2026-01-10 20:13:13 [旧帖] [给我悄悄话] 本文已被阅读：次

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