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Jeff Liang
@JeffLia12309881
Joined June 2020
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Jeff Liang
@JeffLia12309881
2026.08.27 18:50
我经常在脑子里沙盘推演一类极端行情:现货连续翻倍,隐含波动率同步大幅抬升。典型参照是 2020 年底到 2021 年初——现货涨 N 倍、隐波大约翻 3 倍;更极端则是 2017 年那种抛物线式上涨,隐波在 100–150 之间盘桓数月不回落。 问题不是“这种行情里该不该做期权”,而是:用什么结构去做。约束很明确——策略既要能在低波动里存活、赚到钱,也要能在高波动里不崩;而且不能把胜负押在“提前判断 regime 已经切换”上。Regime 一旦要靠预判,策略在真正需要它的时候往往已经失效。 最近这件事我想清楚了。
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