ForecastExLimited verified dataData quality warningNot meaningfully priced
Data as of Sep 14, 2026, 2:00 PM UTC · policy pm-quality-3
Current implied probabilityNo 86%
Market quality
30 / 100
Low quality24h Volume
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Liquidity
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Liquidity unknownMarket data
Updated 10 minutes ago
Trends
Macro-Sensitive Assets
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Related questions for context, not a comparison of equivalent contracts.
Will the year-over-year change in the US Core CPI exceed 2.5% in December 2026?
ForecastExWill the year-over-year change in the US Core CPI exceed 3.5% in December 2026?
ForecastExWill the year-over-year change in the US Core CPI exceed 4% in December 2026?
ForecastExWill the year-over-year change in the US Core CPI exceed 1.5% in December 2026?
ForecastExWill the year-over-year change in the US Core CPI exceed 2% in December 2026?
ForecastExWill the year-over-year change in the US Core CPI exceed 3% in December 2026?
ForecastExRules
US Core CPI December 2026.
- Will the year-over-year change in the US Core CPI exceed 4.5% in December 2026? Price reflects the latest available ForecastEx exchange evidence.
Open markets
Inflation
POLYMARKETFed Decision in September?
- 25 bps increase78.4%
- No change20.6%
- 50+ bps increase1%
+2 more outcomes
- Total Vol
- $148.5M
- 24h Vol
- $7.6M
POLYMARKETFed rate hike in 2026?
- Yes+1.0pt89%
- No-1.0pt11%
- Total Vol
- $9.2M
- 24h Vol
- $74.5K
POLYMARKETFed rate hike by which date?
- October Meeting+1.0pt84%
- September Meeting+1.0pt80%
- April Meeting-0.1pt0%
+2 more outcomes
KALSHISeptember 2026 CPI MoM Combo · Headline & Core
- Headline: 0.5% or above, Core: Exactly 0.2%18%
- Headline: Exactly 0.4%, Core: 0.3% or above6%
- Headline: Exactly 0.4%, Core: 0.1% or below5%
+9 more outcomes
- Total Vol
- $33.5K
- 24h Vol
- $33.5K
POLYMARKETSouth Africa Annual Inflation 2026
- >5.0%+10.3pt28.9%
- 4.7-5.0%+11.8pt25%
- 4.4-4.7%+2.8pt23.1%
+7 more outcomes
KALSHIInflation in September 2026 (CPI YoY)
- Above 3.2%+11.0pt99%
- Above 3.0%97%
- Above 3.3%96%
+18 more outcomes
- Total Vol
- $46.6K
- 24h Vol
- $7.1K
- Fed decisions (Jun-Sep)
- CPI in September
- September Inflation US - Annual
- PPI YoY - September 2026
- Japan Core-Core CPI YoY in 2026
- How many Fed rate hikes in 2026?
- September Inflation China - Annual
- How high will 30yr mortgage rate get this year?
- How high will 10-year Treasury yield go before 2027?
- CPI year-over-year in Sep 2026?
- What will JD Vance say during his remarks in Olathe?
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Frequently asked questions
- What are the current odds for Will the year-over-year change in the US Core CPI exceed 4.5% in December 2026??
- ForecastEx prices No at 86% as of September 14, 2026.
- When does Will the year-over-year change in the US Core CPI exceed 4.5% in December 2026? resolve?
- Will the year-over-year change in the US Core CPI exceed 4.5% in December 2026? is scheduled to resolve on January 13, 2027.
- How is Will the year-over-year change in the US Core CPI exceed 4.5% in December 2026? settled?
- ForecastEx settles this market as follows: US Core CPI December 2026.