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