SimpleFunctions
9 contractsKalshirefreshed 9 min agoCloses Feb 28, 2028 · 666d1pp · 12h

Will Rueben Bain Jr. win the Defensive Rookie of the Year

Liquidity-weighted aggregate sits at 11% across 9 Kalshi contracts.

Implied probability

11%
0%50%100%

Kalshi

11%

9 contracts

Polymarket

not bound

Cross-venue gap

single venue

24h move

+1pp

12h ago

24h volume

$483

9 contracts

Closes

Feb 28, 2028

666 days

30-day trend

0%50%100%-30d-3w-2w-1wtodayAggregate: 7% (12 days, 12 points)Aggregate: 7% on 2026-05-03
Aggregate of 9 contracts · 12d

Bracket families

9 clusters across 9 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 Rueben Bain Jr. win the Defensive Rookie of the Year

1 contract$164

Cluster 2

Will Arvell Reese win the Defensive Rookie of the Year

1 contract$126

Cluster 3

Will CJ Allen win the Defensive Rookie of the Year

1 contract$117

Cluster 4

Will Caleb Downs win the Defensive Rookie of the Year

1 contract$76

Cluster 5

Will Sonny Styles win the Defensive Rookie of the Year

1 contract$0

Cluster 6

Will David Bailey win the Defensive Rookie of the Year

1 contract$0

Cluster 7

Will Mansoor Delane win the Defensive Rookie of the Year

1 contract$0

Cluster 8

Will Dillon Thieneman win the Defensive Rookie of the Year

1 contract$0

Cluster 9

Will Keldric Faulk win the Defensive Rookie of the Year

1 contract$0

Analysis

This 10% probability reflects market expectations that Rueben Bain Jr. will win the NBA Defensive Rookie of the Year award for the 2026 season. The low probability suggests the market views him as a long-shot candidate, likely due to competition from other talented defensive rookies or uncertainty about his role and minutes in his team's system. Key factors pushing this estimate up or down include his actual playing time and defensive impact once the season begins, how his statistics compare to other rookie defenders, and whether his team values him in crucial defensive matchups. The award winner is determined after the regular season concludes and voters decide, which will occur in spring 2027 once sufficient performance data accumulates.

  • Rueben Bain Jr.'s actual defensive statistics and playing time during the 2026-2027 NBA regular season relative to competing rookie defenders
  • The distribution of votes among multiple defensive rookie candidates—a concentrated field of strong defenders would keep his chances lower than a fragmented one
  • His team's defensive scheme and whether he receives minutes in high-leverage situations versus limited bench role usage
  • Voter perception shifts as the season progresses, influenced by media coverage and highlight-reel performances in nationally televised games
  • Comparison of his advanced defensive metrics (steals, blocks, defensive rating, plus-minus) to other nominees in the final voting stage

What moved the line

  • Apr 28Sonny Styles10pp313¢ · Kalshi
  • Apr 30Caleb Downs5pp127¢ · Kalshi
  • May 2Rueben Bain Jr.4pp1317¢ · Kalshi
  • Apr 28Caleb Downs4pp59¢ · Kalshi
  • Apr 27Rueben Bain Jr.3pp47¢ · 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.

Last updated on this page: 9 min ago.