SimpleFunctions
8 source contracts·Kalshi 8·refreshed just now·Closes Oct 22, 2026 · 62d

Will José Ramírez lead Pro Baseball in steals for the 2026 regular season

Liquidity-weighted aggregate sits at 15% across 8 Kalshi contracts.

Implied probability

15%
0%50%100%

Kalshi

15%

8 contracts

Polymarket

not bound

Cross-venue gap

single venue

24h move

no pin

24h volume

$444

8 contracts

Closes

Oct 22, 2026

62 days

30-day trend

0%50%100%-30d-3w-2w-1wtodayAggregate: 27% (30 days, 30 points)Aggregate: 27% on 2026-08-21
Aggregate of 8 contracts · 30d

Bracket families

8 clusters across 8 contracts.

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

Cluster 1

Will Nasim Nuñez lead Pro Baseball in steals for the 2026 regular season

1 contract$186

Cluster 2

Will Jazz Chisholm Jr. lead Pro Baseball in steals for the 2026 regular season

1 contract$121

Cluster 3

Will Bobby Witt Jr. lead Pro Baseball in steals for the 2026 regular season

1 contract$100

Cluster 4

Will Chandler Simpson lead Pro Baseball in steals for the 2026 regular season

1 contract$37

Cluster 5

Will Byron Buxton lead Pro Baseball in steals for the 2026 regular season

1 contract$0

Cluster 6

Will Fernando Tatis Jr. lead Pro Baseball in steals for the 2026 regular season

1 contract$0

Cluster 7

Will Hyeseong Kim lead Pro Baseball in steals for the 2026 regular season

1 contract$0

Cluster 8

Will José Caballero lead Pro Baseball in steals for the 2026 regular season

1 contract$0

Analysis

This market assesses the likelihood that José Ramírez finishes the 2026 MLB regular season with the most stolen bases league-wide. At 20%, the probability reflects that Ramírez faces competition from faster, more aggressive base-stealers like Bobby Witt Jr. (26%), who has shown higher volume and success rates in recent seasons. Ramírez's stolen base total depends on his playing time, injury status, and the team's strategic approach to running. The main driver of this probability is comparative speed and aggressive baserunning tendencies among elite players; Witt Jr.'s market price suggests stronger consensus he'll lead the category. The probability will stabilize as the regular season progresses and actual steal totals emerge, with late-season performance and injuries being the primary sources of uncertainty. Ramírez would need both consistent playing time and elevated run-stealing attempts to surpass the field.

  • Ramírez's career stolen base rate and 2025 performance relative to Bobby Witt Jr. and other top competitors in the category
  • Team strategic philosophy: whether Cleveland emphasizes aggressive baserunning or a more conservative approach in 2026
  • Playing time and injury risk for Ramírez compared to younger, faster competitors throughout the full 162-game season
  • The concentration of stolen base leader probability among Bobby Witt Jr. (26%), Nasim Nuñez (45%), and others suggests no clear favorite dominates expectations
  • Seasonal pace and competitive landscape: whether any elite basestealer emerges as statistically dominant early in the 2026 season

What moved the line

  • Aug 21Bobby Witt Jr.8pp513¢ · Kalshi
  • Aug 20Jazz Chisholm Jr.7pp125¢ · Kalshi
  • Aug 17Jazz Chisholm Jr.5pp712¢ · Kalshi
  • Aug 21Jazz Chisholm Jr.5pp510¢ · Kalshi
  • Aug 15Chandler Simpson5pp1217¢ · 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.

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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.

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