US headline CPI inflation in December 2027

As of Tue, 20 Oct 2026 11:11:55 UTC, Kalshi traders price Above 0.5% (94.0%), Above 0.0% (94.0%), Above 1.0% (91.0%). The market has $17K in volume and closes on Tue, 08 Feb 2028.

Updated:

Current odds

OutcomeChanceYes priceNo price
Above 0.5%94.0%94.0¢6.0¢
Above 0.0%94.0%94.0¢6.0¢
Above 1.0%91.0%91.0¢9.0¢
Above 1.5%86.0%86.0¢14.0¢
Above 2.0%79.0%79.0¢21.0¢
Above 2.5%79.0%79.0¢21.0¢
Above 5.5%51.0%51.0¢49.0¢
Above 3.0%50.0%50.0¢50.0¢
Above 4.5%37.0%37.0¢63.0¢
Above 6.0%37.0%37.0¢63.0¢
Above 3.5%30.0%30.0¢70.0¢
Above 4.0%21.0%21.0¢79.0¢
Above 5.0%17.0%17.0¢83.0¢

Market details

Resolution rules

Each outcome is a separate contract with its own rules. The rules for Above 0.5%:

If the 12-month percentage change in CPI-U, U.S. city average, all items, not seasonally adjusted, in December 2027 is above 0.5%, then the market resolves to Yes. The initially reported value for December 2027 will be used. This market concerns the 12-month percentage change for December 2027, not the annual-average percentage change for the specified year.

Sources

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