= 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/

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https://api.tdameritrade.com/v1/accounts/232718838/orders/13597943085