Tracking EIX historical volatility helps you see how much Edison International's stock price has actually moved, giving you a baseline for whether option premiums look fair, cheap, or expensive. While implied volatility shows what the market expects, EIX's HV, also known as realized volatility, shows what actually happened. Use our scanner to monitor EIX 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 a stock's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. EIX's 30 day historical volatility, or EIX HV, is one of the most widely watched readings because it balances responsiveness with stability. Comparing EIX's HV to its implied volatility reveals the volatility risk premium. When IV sits well above HV, options are pricing in more movement than the stock has actually delivered, giving option sellers an edge. When HV runs hot relative to IV, options are pricing in less movement than the stock has delivered, and buyers may be underpaying for it.
Edison International, through its subsidiaries, generates and distributes electric power. It delivers electricity to 15 million residential, commercial, industrial, public authorities, agricultural, and other customers across Southern, Central, and Coastal California. The company also provides energy solutions to commercial and industrial users. Its transmission facilities consist of lines ranging from 55 kV to 500 kV and substations; and distribution system consists of approximately 39,000 circuit-miles of overhead lines, approximately 31,000 circuit-miles of underground lines, and 800 substations.
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