Emera Inc
Emera Inc (EMA) Historical Volatility
EMA 30-day historical volatility is 15%. This ranks in the 57th percentile of readings over the past year.
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Tracking EMA historical volatility helps you see how much Emera Inc'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, Emera Inc's HV tells you what really happened. Use our scanner to monitor EMA 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 EMA 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Emera Inc'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.
Emera Incorporated, an energy and services company, invests in generation, transmission, and distribution of electricity in the United States, Canada, Barbados, and the Bahamas. The company operates through Florida Electric Utility, Canadian Electric Utilities, Gas Utilities and Infrastructure, Other Electric Utilities, and Other segments. It is also involved in the purchase, transmission, distribution, and sale of natural gas; and physical energy marketing, trading, and other energy asset management activities. The company was incorporated in 1998 and is headquartered in Halifax, Canada.
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 Emera Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where EMA HV is running hot, cold, or in line. Make the EMA 30 day historical volatility — and every other window — work for your edge instead of against it.
As of September 23, 2026
As of September 23, 2026
See how volatility has moved over time
Track EMA historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.
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