NRG Energy Inc (NRG) Historical Volatility

Tracking NRG historical volatility helps you see how much NRG Energy 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, NRG Energy Inc's HV tells you what really happened. Use our scanner to monitor NRG 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 NRG 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing NRG Energy 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.

NRG Energy, Inc., together with its subsidiaries, operates as an integrated power company in the United States. It operates through Texas, East, and West. The company is involved in the producing, selling, and delivering electricity and related products and services to approximately 6 million residential, commercial, industrial, and wholesale customers. It generates electricity using natural gas, coal, oil, solar, nuclear, and battery storage. The company also provides system power, distributed generation, renewable products, backup generation, storage and distributed solar, demand response, and energy efficiency, and advisory services, as well as carbon management and specialty services; and on-site energy solutions.

In addition, it trades in electric power, natural gas, and related commodities; environmental products; weather products; and financial products, including forwards, futures, options, and swaps. Further, the company procures fuels; provides transportation services; and directly sells energy, services, and products and services to retail customers under the NRG, Reliant, Direct Energy, Green Mountain Energy, Stream, and XOOM Energy. As of December 31, 2021, it owns and leases power generation portfolio with approximately 18,000 megawatts of capacity at 25 plants. NRG Energy, Inc. was founded in 1989 and 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 NRG Energy Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where NRG HV is running hot, cold, or in line. Make the NRG 30 day historical volatility — and every other window — work for your edge instead of against it.