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Prices & Inflation

What will the monthly change in US CPI be?

Monthly CPI Change December 2026 · December 2026 · Trading open

No trades yet. The chart appears after the first trade.

Show all 10 outcomes

About this market

No trades have been recorded on this market yet, so there is no market price for any outcome.

Trading closes on Jan 13, 2027. The result is confirmed by US Bureau of Labor Statistics.

The underlying is the month-over-month seasonally adjusted percentage change in the US Consumer Price Index as published by the Bureau of Labor Statistics.

Rules and timeline

Each outcome is its own contract. A Yes contract pays $1 if its outcome happens and $0 if not; a No contract pays the reverse. Because the contracts trade separately, their chances don't have to add up to 100%.

  • Above -0.2%Resolves Yes if the monthly change in US CPI exceeds -0.2% in December 2026? (inflation) (price growth) (cost of living).
  • Above -0.4%Resolves Yes if the monthly change in US CPI exceeds -0.4% in December 2026? (inflation) (price growth) (cost of living).
  • Above 0.2%Resolves Yes if the monthly change in US CPI exceeds 0.2% in December 2026? (inflation) (price growth) (cost of living).
  • Above 0.4%Resolves Yes if the monthly change in US CPI exceeds 0.4% in December 2026? (inflation) (price growth) (cost of living).
  • Above 0.6%Resolves Yes if the monthly change in US CPI exceeds 0.6% in December 2026? (inflation) (price growth) (cost of living).
  • Above 0.8%Resolves Yes if the monthly change in US CPI exceeds 0.8% in December 2026? (inflation) (price growth) (cost of living).
Show rules for all 10 outcomes
  • Above 0%Resolves Yes if the monthly change in US CPI exceeds 0% in December 2026? (inflation) (price growth) (cost of living).
  • Above 1.2%Resolves Yes if the monthly change in US CPI exceeds 1.2% in December 2026? (inflation) (price growth) (cost of living).
  • Above 1.4%Resolves Yes if the monthly change in US CPI exceeds 1.4% in December 2026? (inflation) (price growth) (cost of living).
  • Above 1%Resolves Yes if the monthly change in US CPI exceeds 1% in December 2026? (inflation) (price growth) (cost of living).

Result confirmed by US Bureau of Labor Statistics.

Trading opened
Oct 15, 2026
Trading closes
Jan 13, 2027
Expected result
Jan 13, 2027
Expected payout
Jan 13, 2027

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Other dates in this series

Prices are the last trades on the ForecastEx exchange and can be delayed by about ten minutes. A chance is the price of a Yes contract, not a forecast by Aries. Event contracts involve risk, including the loss of the full amount paid. Information on this page is for informational purposes only and is not investment advice.