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In a previous post, we presented a method for calculating a stock beta and implemented it in Python.
How to Use Excel to Calculate the ROI on a Product. "Return on investment" is a financial calculation used to gauge how well the money you invest earns you even more money. To calculate ROI you ...
Calculating Dual-Beta in Excel 1. Choose your period and frequency Think about your style and outlook as an investor. Keeping this in mind, decide which period to use (I recommend 10 years).