Option Greeks measure how Murphy USA Inc (MUSA) option prices respond to changes in the stock price (delta and gamma), the passage of time (theta), implied volatility (vega), and interest rates (rho). These charts plot each Greek by strike, so you can see where an expiration's price risk, time decay, and volatility exposure are concentrated. MUSA implied volatility is near the bottom of its one-year range, which keeps delta and gamma in a narrower range of strikes than usual.
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MUSA Option Greeks FAQ
What are option Greeks?
Option Greeks measure how an option's price responds to changes in the stock price (delta and gamma), time (theta), implied volatility (vega), and interest rates (rho).
How do I read the MUSA Greeks charts?
Gamma, theta, and vega are largest for strikes near the Murphy USA stock price and shrink for strikes far above or below it. Theta grows as expiration gets closer, while vega is larger for expirations further out. Call delta runs from 0 to 1 and put delta from -1 to 0, near 0.50 and -0.50 at the money, and roughly estimates the chance that an option finishes in the money.
How does implied volatility affect MUSA's Greeks?
Murphy USA IV rank is 7, so implied volatility is near the bottom of its one-year range. Higher implied volatility raises option premiums and daily time decay (theta), and spreads delta and gamma across a wider range of strikes. Over the past year, 30-day implied volatility ranged from 26.8% to 150.0%. See the MUSA implied volatility history for a longer view.
How much gamma and delta do MUSA options carry in total?
Across all open Murphy USA options on Nov 4, 2026, net gamma exposure was $51.03K and net delta exposure was -$1.22M per 1% move in the stock. The MUSA gamma exposure chart shows where that gamma sits by strike.
What is Murphy USA Inc?
Murphy USA Inc is mainly engaged in the marketing of retail motor fuel products and convenience merchandise through a network of several retail stores in the Southwest, Southeast, Midwest, and Northeast United States.