Let’s have a look at California utility stocks’ volatility in this part. Sempra Energy (SRE) stock witnessed an implied volatility of 15%, which was close to its 15-day average. In comparison, the implied volatility of PG&E (PCG) stock was 34%, and Edison International’s (EIX) was 19%. Implied volatility indicates investors’ nervousness. Higher volatility is typically associated with a fall in stock prices and vice versa.