Black & Scholes for Puts/Calls in a Single Excel Cell

Sometimes an online option calculator isn’t enough and you’d like to implement the Black & Scholes (B&S) option pricing equations in Excel.  If you’re just playing around it doesn’t matter how you structure the calculation.  In fact, for clarity’s sake, it’s probably a good idea to spread out the calculation across multiple cells.  However, if you’re planning to do some serious work with multiple B&S …

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