Equity Risk Premium
Why is this important?
The Equity Risk Premium (ERP) represents the excess return that investing in the stock market provides over a risk-free rate (typically the 10-Year Treasury). This is a fundamental metric for valuation at the index level.
What is occurring?
The spread has turned negative denoting very expensive valuations. Note that this model relies on trailing earnings without dividends, making it a backward-looking diagnostic. While useful for historical baselines, see below for a comprehensive, dividend-adjusted view.