Fidelity MSCI Communication Services Index ETF

FCOMAMEX · USD
72.60USD-0.11 (-0.16%)

Fidelity MSCI Communication Services Index ETF (FCOM) Historical Volatility

FCOM 30-day historical volatility is 16%. This ranks in the 50th percentile of readings over the past year.

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Tracking FCOM historical volatility helps you see how much Fidelity MSCI Communication Services Index ETF's stock price has actually moved over past periods, giving you a baseline to judge whether current option premiums are fair, cheap, or expensive. While implied volatility tells you what the market expects, Fidelity MSCI Communication Services Index ETF's HV tells you what really happened. Use our scanner to monitor FCOM 30 day historical volatility alongside longer lookback windows and spot the moments when realized and implied diverge.

Historical volatility is the annualized standard deviation of an underlying's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. The FCOM 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Fidelity MSCI Communication Services Index ETF's HV to its implied volatility reveals the volatility risk premium — when IV sits well above HV, option sellers tend to have an edge; when HV runs hot relative to IV, buyers may be underpaying for movement.

Tracks the performance of the MSCI USA IMI Communication Services 25/50 Index.

Sizing a long premium trade, modeling a covered call, or hunting volatility arbitrage all come back to one question: how much has the stock actually moved? Our scanner puts Fidelity MSCI Communication Services Index ETF's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where FCOM HV is running hot, cold, or in line. Make the FCOM 30 day historical volatility — and every other window — work for your edge instead of against it.

IV vs HV
Implied Volatility (IV) vs Historical Volatility (HV) over the past month.

As of September 16, 2026

IV - HV Difference
Difference between IV and HV over time. Positive values indicate IV > HV.

As of September 16, 2026

See how volatility has moved over time

Track FCOM historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.

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