Recent September core CPI data, which rose 0.3% month-over-month against a 0.2% consensus forecast and lifted the annual rate to 2.6%, has anchored trader expectations for October amid persistent shelter and services pressures. Energy-driven headline gains have not spilled broadly into core components, yet firm readings in owners’ equivalent rent, lodging, and select goods categories sustain concerns about underlying stickiness. Market-implied odds reflect this balance, with 0.2% and 0.3% outcomes nearly tied as participants weigh base effects from prior months against ongoing geopolitical energy volatility and labor-market resilience. The November 10 release will resolve the contract, with any further moderation in supercore services or shelter likely tilting probabilities toward the lower outcome.