= Install =
From: https://docs.galpy.org/en/latest/installation.html
brew install gsl
= Use =
calculator: https://www.omnicalculator.com/finance/black-scholes
From: https://pythoninoffice.com/calculate-black-scholes-option-price-in-python/
= schwab =
callback: https://email.wasya.co/trading/api/oauth2-redirect.html
callback: https://email.wasya.co/trading/api/schwab-exec-redirect.html
== swagger ==
* https://developer.schwab.com/products/trader-api--individual