美股陷入大幅波动，华尔街交易员已有准备

市场资讯2021-09-21

标普500指数连续数月上涨，期权交易员却甘愿掏钱对冲下跌风险，一直让华尔街倍感困惑。现在这些对冲活动看起来无比明智。随着估值警报拉响，先前因担心德尔塔毒株蔓延和经济刺激措施收缩而建立的防御性衍生品仓位规模庞大。一项衡量股市风险对冲头寸的指标升至2018年2月“波动性末日（Volmageddon）”以来最高。 “从更宏观的角度看，我们已经为下行做好了准备，”Prosper Trading ...

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牛牛火龙
2021-09-21
牛牛火龙
又要割韭菜了。

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