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太多新交易者因为不理解头寸规模而爆仓，尤其是在波动性资产中。这不仅仅关乎你每笔交易愿意亏损多少；还关乎管理你的整体投资组合风险。例如，如果你关注像 $DOGE 这样的资产，目前价格约为 $0.07007，并且在不了解每日波动（今天它已在 $0.0699 和 $0.0708 之间波动）的情况下，将大部分资金分配给它，那你就是在自找麻烦。即使是像 $KWEB 这样价格为 $28.06 的股票，波动性较小但仍存在显著的头条新闻风险，你的头寸规模也需要反映你相对于总资本的风险偏好，而不仅仅是你对交易的信心。在任何单一头寸上过度杠杆，无论资产如何，都是在市场走势不利于你时被清算的必经之路。
It's almost as if some people view position sizing as a mere suggestion rather than a fundamental law of not going broke. Especially when the 'asset' in question has more bark than bite, if you catch my drift.
This is something I'm trying to wrap my head around more. So beyond the per-trade risk, are you suggesting a separate, overarching portfolio risk percentage that dictates how much total exposure to volatile assets you should have, regardless of individual trade risk?
Agreed. The capital allocation aspect is often overlooked. It's not enough to size individual trades; ensuring the sum of those positions doesn't create undue exposure to correlation risk is key.
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