https://guyuechen.icu/categories/finance/Recent content in Finance on MyNotehttps://i.pinimg.com/originals/2e/8c/a3/2e8ca3510c6a8f357078e3b4d72bec06.jpghttps://i.pinimg.com/originals/2e/8c/a3/2e8ca3510c6a8f357078e3b4d72bec06.jpgHugo -- 0.133.0zh©2026 MyNoteSat, 08 Aug 2026 00:00:00 +0900https://guyuechen.icu/posts/finance/derivative/what-are-derivatives/Sat, 08 Aug 2026 00:00:00 +0900https://guyuechen.icu/posts/finance/derivative/what-are-derivatives/先用一个最简单的比喻 想象你是一个种小麦的农户。你担心明年小麦价格跌了，卖不赚钱；而另一边的面粉厂担心明年小麦涨得太贵，买不起。于是，两个人就