https://docs.google.com/document/d/1s4gPepNahJGDfbN1HPF8bLnN0cFug3yLQ7gnmhvkrYs/edit?usp=sharing
https://www.ccboe.net/apps/pages/index.jsp?uREC_ID=4375927&type=d&pREC_ID=2578224
