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“To be a great investor, you must have an approach, and you have to stick to it, despite the times when it’s not working.” -Marks
Gamma exposure (GEX):
简单讲讲Gamma exposure!
1. 先从delta开始讲起吧。Delta是期权的一个参数，是期权价格对股价的一阶导数，简单理解就是正股涨一块钱，期权价格变化多少。比如某一个SPY的call的delta是0.7，就意味着SPY涨一块钱的话，这个call会涨7毛钱。
2.
A Student Of The Marketx.com
Buffett acolyte Guy Spier wrote in his book, The Education of a Value Investor,
Danielle Town • Invested: How I Learned to Master My Mind, My Fears, and My Money to Achieve Financial Freedom and Live a More Authentic Life (with a Little Help from Warren Buffet, Charlie Munger, and My Dad)
