Will the 12-month percentage change in CPI-U in December 2028 be above 4.5%?
Read as: Will U.S. CPI inflation (year over year) for December 2028 be above 4.5%, as first published?
· BLS CPI release
Probability of yes
35%range 22–48%
Takes the latest published value and applies every historical 28-month change (full history and last decade), alongside a normal random walk. The models carry no trend assumption; the recent trend is shown for context only.
Data · U.S. Bureau of Labor Statistics — Public Data API
Not financial, election, or medical advice. Terms
Sources and the record
Asked
Market price
Kalshi · updated Oct 10, 2026, 13:44 UTC
Will the 12-month percentage change in CPI-U in December 2028 be above 4.5%?Market
22%
Our model
35%
Scale, −50 to +50
Model lower0 in lineModel higher
−50+50
Zero means the two numbers match. Distance is how far apart they are, not a profit. The market figure is a price.