Volatility Risk Premium: The Practical Guide to Trading the Most Persistent Edge in Options

The volatility risk premium is the systematic spread between implied volatility and subsequent realized volatility. In plain terms: options are consistently priced as if the underlying will move more than it actually does. The difference between what the market expects (IV) and what actually happens (RV) is the VRP. The math is straightforward: VRP = IV(ATM) − RV(window) If SPY's ATM implied volatility is 20% and the 20-day realized volatility is 16%, the VRP is 4 percentage points. That 4% is what you're being paid — annualized — to sell options. It's the compensation you receive for bearing the risk that realized vol could spike above implied vol. Why Does This Premium Exist? The VRP isn't a market inefficiency — it's a structural feature. It exists because of a persistent supply-demand imbalance in the options market: Institutional hedgers systematically buy protection. Portfolio managers, pension funds, and risk-constrained institutions are required to hedge. They buy puts and pay