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Fed Hawkish Signals Boost September Hike Bets and S&P 500 Volatility

Aug 28, 2026, 12:34 PM EDT1 sourcesAI-analyzed

Why it may matterVerify against the original reporting

Rising rate-hike expectations typically compress equity valuations and lift discount rates; history shows equities underperform when hikes are priced in early, especially if inflation doesn’t rapidly cool. The Jackson Hole environment has produced volatility as investors reassess growth vs. rate risk.

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What happened, with direct paths to the underlying reporting

Warsh argued policy isn’t restrictive and inflation still needs progress, fueling bets on a September rate rise. Markets priced in higher near-term rates after the Jackson Hole remarks, with July inflation at 3.4% and oil prices supported by Iran tensions. The mix keeps yields elevated and leaves the Fed room to act if inflation doesn’t slow.

Warsh says policy not restrictive; inflation may need action. Markets price a September hike.
CME FedWatch shows 55% odds for Sept hike; markets moved after speech.
Inflation at 3.4% in July; energy costs remain elevated.
Rising bond yields and dissent within Fed keep policy uncertain.

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