Talen Energy Corp
Talen Energy Corp (TLN) Historical Volatility
TLN 30-day historical volatility is 51%. This ranks in the 29th percentile of readings over the past year.
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Tracking TLN historical volatility helps you see how much Talen Energy Corp'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, Talen Energy Corp's HV tells you what really happened. Use our scanner to monitor TLN 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 TLN 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Talen Energy Corp'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.
Talen Energy Corporation, an independent power producer and infrastructure company, produces and sells electricity, capacity, and ancillary services into wholesale power markets in the United States. The company operates nuclear, fossil, solar, and coal power plants. It is also developing battery storage projects. The company owns and operates approximately 10.7 GW of power infrastructure. Talen Energy Corporation is headquartered in Houston, Texas.
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 Talen Energy Corp's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where TLN HV is running hot, cold, or in line. Make the TLN 30 day historical volatility — and every other window — work for your edge instead of against it.
As of September 24, 2026
As of September 24, 2026
See how volatility has moved over time
Track TLN historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.
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