Intelligence Feed event · Macro · 2026-09-11

    U.S. Labor Department says August CPI rises 0.4% as annual inflation holds at 3.4%

    Question

    U.S. Labor Department says August CPI rises 0.4% as annual inflation holds at 3.4%

    Direct answer

    Stronger-than-expected core inflation keeps pressure on the Fed to keep policy tight, lifting front-end Treasury yields, supporting the USD, and weighing on rate-sensitive assets.

    Original publisher
    Market Ontology
    Evidence through
    2026-09-11
    Published
    2026-10-20
    Revision
    1 · 2026-10-20

    Cite as: Market Ontology, “U.S. Labor Department says August CPI rises 0.4% as annual inflation holds at 3.4%”, revision 1, evidence through 2026-09-11. https://marketontology.com/market-events/2026-09-11/u-s-labor-department-says-august-cpi-rises-0-4-as-annual-inflation-holds-at-3-4-2b6968

    MACRO
    U.S. Labor Department says August CPI rises 0.4% as annual inflation holds at 3.4%
    Stronger-than-expected core inflation keeps pressure on the Fed to keep policy tight, lifting front-end Treasury yields, supporting the USD, and weighing on rate-sensitive assets.
    DXYTLTSPY
    Impact
    80
    SEP 11
    SIG
    DXYTLTSPY
    U.S. Labor Department says August CPI rises 0.4% as annual inflation holds at 3.4%
    Stronger-than-expected core inflation keeps pressure on the Fed to keep policy tight, lifting front-end Treasury yields, supporting the USD, and weighing on rate-sensitive assets.
    Impact
    Stronger-than-expected core inflation keeps pressure on the Fed to keep policy tight, lifting front-end Treasury yields, supporting the USD, and weighing on rate-sensitive assets.
    Affected
    DXYTLTSPY
    Source facts

    How this development reaches the affected companies

    AssetExposure and channelDirectionEvidence
    DXYhigher U.S. inflation supports tighter Fed expectations and the dollarUp1-5dCPI held at 3.4% year over year and traders priced a higher chance of a Fed hike
    TLThigher expected policy rates reduce demand for long-duration TreasuriesDown1-5dtraders raised the odds of a Fed rate hike after the CPI release
    SPYhigher rates pressure valuations while some financials can benefit from steeper policy expectationsMixedintradayU.S. stocks rallied after the report even as market pricing shifted toward tighter Fed policy

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    What happened next

    AssetCallBase close+1 day+5 days+20 days
    SPYMixed764.29 2026-09-11-0.45%-0.34%+1.87%
    TLTDownagreed80.87 2026-09-11+0.07%+0.47%-3.57%

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

    Sources

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