AZ-08 House winner? (2028): Republican party 91% ▲ 91AZ-09 House winner? (2028): Republican party 82% ▲ 82Big Bash League, Women: Sydney Sixers vs Syd… 9% ▼ 41Abu Dhabi T10 League: United Tigers vs Arabi… 9% ▼ 41Peak traffic through the Strait of Hormuz? (… 91% ▲ 38College Football Playoff Qualifiers: Ohio St. 14% ▼ 37ACC Men's U19 Asia Cup: India Under-19s vs P… 26% ▼ 24How much will Anthropic raise in its IPO: $7… 16% ▼ 23Will Pete Hegseth be impeached: Before Apr 1… 81% ▲ 23Brazilian Grand Prix: Driver Winner: Max Ver… 13% ▼ 23Test Match: Afghanistan vs Zimbabwe: Draw 84% ▲ 23NCAA Football: 2026 Heisman Award Winner: CJ… 32% ▲ 19ATP Paris Winner: Carlos Alcaraz 73% ▲ 19Next Israeli government # of seats: <58 71% ▲ 19Pete Hegseth impeached by...: March 31, 2027 77% ▲ 19Khamenei # posts November 3 - November 10, 2… 85% ▲ 18Heisman Trophy Winner: CJ Carr 34% ▲ 18Traffic through the Strait of Hormuz? (11/2 … 45% ▼ 18Jonathan Taylor Next Team: New York G 31% ▼ 18NCAA Football: 2026 Heisman Award Winner: Je… 21% ▼ 17Next leader out of power before 2027: Netany… 43% ▲ 17College Football Playoff Qualifiers: Texas 73% ▲ 17How much will Anthropic raise in its IPO: $6… 37% ▲ 17What will Trump say during 60 Minutes: Ukraine 69% ▼ 16AZ-08 House winner? (2028): Republican party 91% ▲ 91AZ-09 House winner? (2028): Republican party 82% ▲ 82Big Bash League, Women: Sydney Sixers vs Syd… 9% ▼ 41Abu Dhabi T10 League: United Tigers vs Arabi… 9% ▼ 41Peak traffic through the Strait of Hormuz? (… 91% ▲ 38College Football Playoff Qualifiers: Ohio St. 14% ▼ 37ACC Men's U19 Asia Cup: India Under-19s vs P… 26% ▼ 24How much will Anthropic raise in its IPO: $7… 16% ▼ 23Will Pete Hegseth be impeached: Before Apr 1… 81% ▲ 23Brazilian Grand Prix: Driver Winner: Max Ver… 13% ▼ 23Test Match: Afghanistan vs Zimbabwe: Draw 84% ▲ 23NCAA Football: 2026 Heisman Award Winner: CJ… 32% ▲ 19ATP Paris Winner: Carlos Alcaraz 73% ▲ 19Next Israeli government # of seats: <58 71% ▲ 19Pete Hegseth impeached by...: March 31, 2027 77% ▲ 19Khamenei # posts November 3 - November 10, 2… 85% ▲ 18Heisman Trophy Winner: CJ Carr 34% ▲ 18Traffic through the Strait of Hormuz? (11/2 … 45% ▼ 18Jonathan Taylor Next Team: New York G 31% ▼ 18NCAA Football: 2026 Heisman Award Winner: Je… 21% ▼ 17Next leader out of power before 2027: Netany… 43% ▲ 17College Football Playoff Qualifiers: Texas 73% ▲ 17How much will Anthropic raise in its IPO: $6… 37% ▲ 17What will Trump say during 60 Minutes: Ukraine 69% ▼ 16

September Inflation UK - Annual Odds

This market has resolved: 3.4-3.6%. Final prices are below.

Polymarket Volume $29.3K Ended Oct 21, 2026 Updated Nov 8, 7:00 AM EST
OutcomeChanceOdds24h
3.4-3.6% ✓
100% — ▲ 34
≤2.7%
0% — ▼ 1
2.8-3%
0% — ▼ 6
3.1-3.3%
0% — ▼ 10
3.7-3.9%
0% — ▼ 11
4.0%+
0% — ▼ 3

Price history

0% 25% 50% 75% 100% Oct 19 Oct 26
3.4-3.6%≤2.7%2.8-3%3.1-3.3%

Resolution rules

This is a market about inflation in the United Kingdom over the 12-month period ending September 2026 as reported by the UK Office for National Statistics. This market will resolve to the percentage change in the UK Consumer Prices Index (CPI) over the 12-month period ending in September 2026 according to the monthly Office for National Statistics (ONS) report. The resolution source for this market will be the ONS “Consumer Prices Index, UK” report released for September 2026 (https://www.ons.gov.uk/economy/inflationandpriceindices#publications), currently scheduled to be released on October 21, 2026. Resolution of this market will take place upon release of the aforementioned data. Note: this market will resolve only based on the Consumer Prices Index (CPI) figure. The “Consumer Prices Index including owner occupiers’ housing costs” (CPIH) will not qualify. Note: the resolution source for this market will be the official monthly ONS CPI UK news release, which reports inflation over 12-month periods to only one decimal point (e.g., 2.9%). Thus, this is the level of precision that will be used when resolving the market. If the ONS does not release the relevant figures on the scheduled date, this market may remain open up until the scheduled release time of the next CPI report (https://www.ons.gov.uk/releasecalendar). If the information is not released by that time, this market will resolve according to the figures of the most recent previous month with available data.

Source: Polymarket. The venue's rules are final.

FAQ

How are prediction market odds calculated?

Each contract pays $1 if the outcome happens and $0 if it doesn't, so its price is the market's implied probability: a 60¢ contract means roughly a 60% chance. We show the last trade, or the midpoint between the best bid and ask when the order book is tight.

When does this market close?

Polymarket lists Oct 21, 2026 as the end date; this market has closed.

Where can I trade on September Inflation UK - Annual?

This market trades on Polymarket. Availability depends on where you live: Kalshi is a CFTC-regulated US exchange, while Polymarket's international site isn't available to US users (Polymarket US is a separate app). You must be 18 or older.