All About Trading!

All About Trading!

The Historical Volatility Ratio - What You Should Know

Understanding the Historical Volatility Ratio in Python

Sofien Kaabar, CFA's avatar
Sofien Kaabar, CFA
Sep 23, 2025
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Volatility is one of the most important measures in finance, capturing the magnitude of price fluctuations over time. We often look at volatility to gauge risk, detect market regimes, and identify trading opportunities.

Among various volatility measures, the Historical Volatility Ratio (HVR) stands out as a practical tool. It compares short-term volatil…

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