Investors on the hunt for regular income have this year poured almost $26bn into exchange traded funds that sell options tied to stocks, inspiring a wave of copycats and raising questions about their effects on market volatility.
追求固定收入的投资者今年向出售与股票挂钩期权的交易所交易基金(ETF)投入了近260亿美元，引起了一波效仿潮，同时也引发了有关其对市场波动性影响的问题。
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