https://dfchen.com/tags/put/Recent content in Put on My Personal BlogHugo -- 0.152.2en-usWed, 27 May 2026 23:47:00 -0700https://dfchen.com/posts/cash-secured-put-csp-guide/Wed, 27 May 2026 23:47:00 -0700https://dfchen.com/posts/cash-secured-put-csp-guide/Cash-Secured Put（现金担保看跌期权，CSP）把“挂限价单等待”变成“等待也赚钱”：跌到理想价就低位建仓，没跌到也能收权利金。本文手把手讲清概念、结局、下单步骤与极端风险。