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  1. 什么是末日期权? 末日期权(0DTE, Zero days to expiration),指的是当日到期的期权合约,也泛指即将到期的期权合约。对于大多数美股周期权,一般到期日是每周五。对于SPY、QQQ,交易所则提供了周一至周五的每天到期期权合约。
  2. 末日期权的特点 (1) 流动性好,成交活跃,价差小。 (2) 时间溢价会快速衰减:对于价外期权,如果在收盘时依旧为价外状态,则该期权价值会归零;对于价内期权,其外在价值会在日内迅速消失,只剩下内在价值。 (3) 持有末日期权会有被行权风险,交易此类期权之前需要确保已了解相关期权知识并做好仓位管理。
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