Volatility — What it is and how to understand it
Volatility is a measure of asset price fluctuations. Learn what volatility is, how to measure it, and why high volatility doesn't have to mean risk.
Definition
Volatility is a statistical measure of the range of price fluctuations of assets over a given period. The greater the price swings, the higher the volatility. It's usually expressed as the standard deviation of returns on an annual basis.
Historical vs implied volatility
- Historical volatility: calculated based on past price movements. Shows how much the price fluctuated in the past.
- Implied volatility: derived from option prices. Reflects market expectations of future fluctuations. The famous VIX index measures implied volatility of S&P 500 options.
VIX — the "fear index"
VIX (CBOE Volatility Index) is the most popular volatility indicator:
| VIX level | Interpretation |
|---|---|
| < 15 | Low anxiety, calm market |
| 15-25 | Normal volatility |
| 25-35 | Elevated anxiety |
| > 35 | Market panic |
Historical VIX peaks: March 2020 (COVID-19) — over 80, October 2008 (financial crisis) — over 80.
Volatility of different asset classes
| Asset | Annual volatility (approximate) |
|---|---|
| Government bonds | 3-8% |
| Stocks (S&P 500) | 15-20% |
| Emerging market stocks | 20-30% |
| Cryptocurrencies (Bitcoin) | 60-80% |
| Individual growth stocks | 30-60% |
Volatility vs risk — are they the same?
Not exactly. Volatility is fluctuations in both directions — up and down. For a long-term investor, short-term volatility is noise, not risk. Real risk is permanent loss of capital.
Warren Buffett: "Volatility is not risk. Risk is not knowing what you're doing."
How to use volatility?
- Buy during drops: High volatility = pricing opportunities for the patient
- DCA smooths volatility: Regular contributions minimize the impact of fluctuations
- Don't panic: Historically, every period of high volatility in the S&P 500 ended with a return to growth
How Freenance can help
Freenance focuses on the long-term goal — Financial Freedom Runway — instead of daily fluctuations. This way, high market volatility doesn't affect your emotions and decisions.
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