Southwest Gas Holdings Inc (SWX) Historical Volatility

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

Southwest Gas Holdings, Inc., through its subsidiaries, distributes and transports natural gas in Arizona, Nevada, and California. The company operates through Natural Gas Distribution, Utility Infrastructure Services, and Pipeline and Storage segments. It also provides trenching, installation, and replacement of underground pipes, as well as maintenance services for energy distribution systems. As of December 31, 2021, it had 2,159,000 residential, commercial, industrial, and other natural gas customers. Southwest Gas Holdings, Inc. was incorporated in 1931 and is headquartered in Las Vegas, Nevada.

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 Southwest Gas Holdings Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where SWX HV is running hot, cold, or in line. Make the SWX 30 day historical volatility — and every other window — work for your edge instead of against it.