Calculating Log Returns in Excel
What is a log return? It’s simply a change in price expressed as percentage. You often hear S&P 500 is up today by 0.5%. A log return of S&P 500 f...
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Variance example Bitcoin/USD
Bitcoin and cryptocurrencies are considered a high risk asset at this moment, the riskiness part is more likely attributed because of the volatility it has s...
Variance
What is Variance? Variance is a measure how volatile some data stream is. It tries to give us an answer in a form of a number on the following questions: ...