Croydon Mayoral Election Winner
Leader sits at 66% across 4 bound outcomes, runner-up at 28%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.
Leader probability
Rowenna Davis
Outcomes
4
winner-take-all
Runner-up
28¢
Jason Perry
Spread
38pp
contested
24h volume
$11K
liquid
Closes
May 7, 2026
0 days
Venue
Polymarket
4 bound
30-day trend
Bracket family
How the bracket ladder is priced.
Each row is one outcome on the venue. Sorted by 24h volume — the heaviest book is at the top.
Cluster 1
Croydon Mayoral Election Winner
Croydon Mayoral Election Winner: Rowenna Davis
0x07a42f…f9c9
Croydon Mayoral Election Winner: Ben Flook
0xc68420…b7c3
Croydon Mayoral Election Winner: Jason Perry
0x5dfca7…7aaa
Croydon Mayoral Election Winner: Peter Underwood
0xe3afe4…9301
Analysis
The 36% probability reflects market expectations that a specific candidate will win the Croydon mayoral election, based on aggregated contract prices from Polymarket. This implies a roughly one-in-three chance of victory. Market participants appear to be pricing in uncertainty around candidate viability, local campaign dynamics, and voter preferences. The probability could shift upward if polling data favors the candidate or downward if rival candidates gain momentum or resources. The main catalyst resolving this uncertainty will be the actual election date, when results determine the outcome definitively. Until then, contract prices reflect traders' assessments of current information, which may be limited given the relatively modest trading volume on this specific race compared to higher-profile mayoral contests.
- ›Polymarket contract trading volume on Croydon ($1,128 in 24h volume) is substantially lower than Seoul mayoral contracts ($26,517), suggesting fewer informed traders are pricing this election
- ›The candidate's contract trades at 8¢, indicating asymmetric risk where the majority of traders believe the candidate is more likely to lose than win
- ›No recent polling data or campaign finance reports are referenced, meaning the market probability may be driven primarily by base rate assumptions about candidate quality or incumbency rather than fresh intelligence
- ›The election outcome depends on voter turnout patterns and local campaign dynamics in Croydon that may not be fully reflected in Polymarket pricing
- ›As the election date approaches, new information about candidate endorsements, campaign activity, or local issues would likely shift contract prices and implied probabilities
What moved the line
- May 3Rowenna Davis↑14pp40→54¢ · Polymarket
- May 6Rowenna Davis↑13pp54→67¢ · Polymarket
- May 2Jason Perry↑13pp31→44¢ · Polymarket
- May 2Rowenna Davis↓11pp51→40¢ · Polymarket
- May 6Jason Perry↓11pp36→25¢ · Polymarket
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These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.
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How we compute these odds
SimpleFunctions aggregates live prediction-market contracts from Kalshi and Polymarket. Each slug groups contracts that resolve on the same underlying event, identified by venue event_id.
For binary slugs, the headline probability is the liquidity-weighted mid-price across all bound contracts. For multi-outcome slugs (e.g. elections with 3+ candidates), the headline is the leader’s price; we never arithmetically average disjoint outcomes — that would produce a number with no real-world meaning.
Snapshots refresh every 5 minutes during market hours; daily aggregates are computed at 04:00 UTC. The 30-day sparkline is drawn from per-ticker daily means stored in market_indicator_daily; 24h delta and movement events are derived from the same source.
Last updated on this page: 2 d ago.