Intelligence Feed event · Macro · 2026-10-13

    S&P 500 Shiller CAPE Ratio Nears 41 Amid Four-Year 21% Annualized Run

    Question

    S&P 500 Shiller CAPE Ratio Nears 41 Amid Four-Year 21% Annualized Run

    Direct answer

    Long-term valuation metrics for US equities show the S&P 500 CAPE ratio touching 41. Historical precedents for this valuation tier remain limited to the 1929 market peak and the 1999 technology bubble peak. The expansion follows a four-year period of 21% annualized index appreciation. The extreme reading leaves broad equities highly sensitive to any shift in corporate earnings trajectory or rate cut pricing.

    Original publisher
    Market Ontology
    Evidence through
    2026-10-13
    Published
    2026-10-20
    Revision
    1 · 2026-10-20

    Cite as: Market Ontology, “S&P 500 Shiller CAPE Ratio Nears 41 Amid Four-Year 21% Annualized Run”, revision 1, evidence through 2026-10-13. https://marketontology.com/market-events/2026-10-13/s-p-500-shiller-cape-ratio-nears-41-amid-four-year-21-annualized-run-c9c0c4

    MACRO
    S&P 500 Shiller CAPE Ratio Nears 41 Amid Four-Year 21% Annualized Run
    Long-term valuation metrics for US equities show the S&P 500 CAPE ratio touching 41. Historical precedents for this valuation tier remain limited to the 1929 market peak and the 1999 technology bubble peak. The expansion follows a four-year period of 21% annualized index appreciation. The extreme reading leaves broad equities highly sensitive to any shift in corporate earnings trajectory or rate cut pricing.
    SPYGLD
    Impact
    85
    OCT 13
    SIG
    86%
    SPYGLD
    S&P 500 Shiller CAPE Ratio Nears 41 Amid Four-Year 21% Annualized Run
    Long-term valuation metrics for US equities show the S&P 500 CAPE ratio touching 41. Historical precedents for this valuation tier remain limited to the 1929 market peak and the 1999 technology bubble peak. The expansion follows a four-year period of 21% annualized index appreciation. The extreme reading leaves broad equities highly sensitive to any shift in corporate earnings trajectory or rate cut pricing.
    → Elevated CAPE ratios near 41 reduce structural equity risk premia relative to 10Y real yields, increasing cross-asset vulnerability to earnings guidance downgrades.
    Impact
    Long-term valuation metrics for US equities show the S&P 500 CAPE ratio touching 41. Historical precedents for this valuation tier remain limited to the 1929 market peak and the 1999 technology bubble peak. The expansion follows a four-year period of 21% annualized index appreciation. The extreme reading leaves broad equities highly sensitive to any shift in corporate earnings trajectory or rate cut pricing.
    Affected
    SPYGLD
    Transmission
    Elevated CAPE ratios near 41 reduce structural equity risk premia relative to 10Y real yields, increasing cross-asset vulnerability to earnings guidance downgrades.

    How this development reaches the affected companies

    AssetExposure and channelDirectionEvidence
    SPYequity risk premium compression under 41x CAPEDown1-3mCAPE ratio reached 41, matching 1929 and 1999 extremes.
    GLDsafe-haven demand amid equity overvaluation hedgingUp1-3mExtreme equity valuation levels historically trigger allocation to non-correlated real assets.

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    What happened next

    AssetCallBase close+1 day+5 days+20 days
    GLDUpdisagreed381.67 2026-10-13-1.49%PendingPending
    SPYDownagreed778.01 2026-10-13-1.08%PendingPending

    Closing prices from stored daily bars; returns measured from the last close on or before the event date. Not a recommendation.

    No verifiable public source recorded for this card.

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