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我一直在涉足差价合约，主要是在GER40和US30等指数上，我正在努力理解在杠杆率相当高的情况下如何进行头寸规模管理。我的直觉，可能来自即期外汇，是保持每笔交易的风险在我账户的固定百分比，比如1%。但有了1:500的可用杠杆，感觉我可以用很少的资金开一个巨大的头寸，只要几个点的反向波动就能达到1%的风险目标。这几乎太容易爆仓了。
我是不是想多了，或者我应该比我习惯的程度更大幅度地缩减我的名义头寸规模，即使绝对的货币风险是相同的？这更多的是关于将保证金使用率作为总权益的百分比来管理，而不仅仅是止损的美元价值吗？
Your instinct on fixed percentage risk is sound; higher leverage doesn't change the underlying principle of managing your exposure. It merely allows you to control a larger notional value with less capital, which can be a double-edged sword if not handled carefully.
Higher leverage doesn't mean you should take on more risk; it just means you can. Stick to your fixed percentage risk and adjust your position size based on that, not on the maximum leverage available.
Your instinct on fixed percentage risk is sound. High leverage doesn't change proper risk management; it just amplifies the potential for both gains and losses if not handled carefully.
You're right to question your instinct. With CFDs and high leverage, a fixed percentage risk often means a much smaller position size than you might initially think. The critical thing is the absolute dollar amount you stand to lose, not just the percentage of your margin used.
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