SimpleFunctions
17 contractsKalshi + Polymarketrefreshed 5 min agoCloses Aug 31, 2026 · 119d

Chicago Fire FC vs. FC Cincinnati

Liquidity-weighted aggregate sits at 42% across 17 contracts. Kalshi at 42%, Polymarket at 32% — a 10pp cross-venue gap.

Implied probability

42%
0%50%100%

Kalshi

42%

16 contracts

Polymarket

32%

1 contract

Cross-venue gap

10pp

wide divergence

24h move

no pin

24h volume

$751

17 contracts

Closes

Aug 31, 2026

119 days

30-day trend

0%50%100%-30d-3w-2w-1wtodayAggregate: 34% (6 days, 6 points)Aggregate: 34% on 2026-05-03
Aggregate of 17 contracts · 6d

Cross-venue edge

Kalshi 42¢ · Polymarket 32¢ · 10pp spread

Buy on Polymarket (32¢, 1 contract) and sell on Kalshi (42¢) — assuming both contracts settle on the same outcome.

Bracket families

4 clusters across 17 contracts.

These contracts were grouped by title similarity. The headline aggregate combines all clusters; verify the cluster you actually need before quoting a number.

Heads-up — heterogeneous clusters

The top two clusters share only 33% of their title tokens — “Cincinnati vs Chicago C” vs “Chicago Fire”. The headline aggregate weights both, so the number on this page is meaningful only if the clusters resolve to the same question.

Cluster 1

Cincinnati vs Chicago C

6 contracts$558

Cluster 2

Chicago Fire

5 contracts$193

Cluster 3

New York RB at Chicago Fire

5 contracts$0

Cluster 4

Which club will Cristiano Ronaldo play for next

1 contract$0

What moved the line

  • May 3Totals: Over 1.5 goals scored56pp1268¢ · Kalshi
  • May 3Totals: Over 2.5 goals scored44pp650¢ · Kalshi
  • May 3Chicago Fire27pp2451¢ · Kalshi
  • May 3Chicago Fire wins by over 1.5 goals27pp229¢ · Kalshi
  • May 3Totals: Over 3.5 goals scored25pp732¢ · Kalshi

Recently closed in general

These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.

More like this

Adjacent prediction questions.

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: 5 min ago.