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Black-Scholes Pricing in Power Query

Imke Feldmann has a formula for us:

The Black Scholes formula returns the value of European put and call options. The version I’m sharing here uses the standard normal cumulative distribution function from my previous blogpost.

Click through for an R version followed by the same function in M. I was going to comment on how much more code the M version was, but about half of that difference was Imke kindly adding in documentation and the other half was the inclusion of the normal CDF generator. Otherwise, it’s roughly the same number of lines.