Enact Holdings Inc
Enact Holdings Inc (ACT) Historical Volatility
ACT 30-day historical volatility is 14%. This ranks in the 3th percentile of readings over the past year.
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Tracking ACT historical volatility helps you see how much Enact Holdings 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, Enact Holdings Inc's HV tells you what really happened. Use our scanner to monitor ACT 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 ACT 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Enact Holdings 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.
Enact Holdings, Inc. operates as a private mortgage insurance company in the United States. The company is involved in writing and assuming residential mortgage guaranty insurance. It offers private mortgage insurance products primarily insuring prime-based, individually underwritten residential mortgage loans; and contract underwriting services for mortgage lenders. The company was formerly known as Genworth Mortgage Holdings, Inc. and changed its name to Enact Holdings, Inc. in May 2021. Enact Holdings, Inc. was founded in 1981 and is headquartered in Raleigh, North Carolina. Enact Holdings, Inc.
is a subsidiary of Genworth Holdings, Inc.
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 Enact Holdings Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where ACT HV is running hot, cold, or in line. Make the ACT 30 day historical volatility — and every other window — work for your edge instead of against it.
As of September 17, 2026
As of September 17, 2026
See how volatility has moved over time
Track ACT historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.
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