期权概述  https://www.optionseducation.org/strategies/all-strategies-en

8个基本期权概念
https://www.optionseducation.org/videolibrary/8-essential-options-concepts

基本期权交易指南 - https://www.investopedia.com/options-basics-tutorial-4583012

止损订单 非常重要的！- https://www.investopedia.com/articles/stocks/09/use-stop-loss.asp

使用OI查找牛市/熊市信号 这是我一直提到的 - https://www.investopedia.com/articles/technical/02/112002.asp

技术图形  https://school.stockcharts.com/doku.php