SimpleFunctions
20 contractsKalshi + Polymarketrefreshed 4 min ago

Washington Spirit vs. Racing Louisville FC

Liquidity-weighted aggregate sits at 28% across 20 contracts. Kalshi at 24%, Polymarket at 32% — a 8pp cross-venue gap.

Implied probability

28%
0%50%100%

Kalshi

24%

8 contracts

Polymarket

32%

12 contracts

Cross-venue gap

8pp

wide divergence

24h move

no pin

24h volume

$134

20 contracts

Top contract

28¢

$66 · Kalshi

30-day trend

0%50%100%-30d-3w-2w-1wtodayAggregate: 22% (4 days, 4 points)Aggregate: 22% on 2026-05-03
Aggregate of 20 contracts · 4d

Cross-venue edge

Kalshi 24¢ · Polymarket 32¢ · 8pp spread

Buy on Kalshi (24¢, 8 contracts) and sell on Polymarket (32¢) — assuming both contracts settle on the same outcome.

Bracket families

4 clusters across 20 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 0% of their title tokens — “Botafogo FR vs. Racing Club” vs “Will against All authority win”. The headline aggregate weights both, so the number on this page is meaningful only if the clusters resolve to the same question.

Cluster 1

Botafogo FR vs. Racing Club

12 contracts$0

Cluster 2

Will against All authority win

3 contracts$66

Cluster 3

Will HyperSpirit win

3 contracts$62

Cluster 4

Gotham vs Racing Louisville Winner

2 contracts$6

What moved the line

  • May 3HyperSpirit42pp1254¢ · Kalshi
  • May 3against All authority14pp2034¢ · Kalshi
  • May 3Racing Louisville3pp69¢ · Kalshi
  • May 2Gotham3pp58¢ · 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: 4 min ago.