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As of May 4, 2026, the S&P 500 index tracked by the State Street SPDR S&P 500 ETF Trust (SPY) has crossed a trailing 12-month price-to-earnings (P/E) ratio of 30x, marking only the fourth occurrence of this milestone in 156 years of U.S. equity market history. While all three prior instances precede
State Street SPDR S&P 500 ETF Trust (SPY) - 156-Year Valuation Threshold Signals Elevated Near-Term Market Risk - Market Risk
SPY - Stock Analysis
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