Who will win Rookie of the Year
Liquidity-weighted aggregate sits at 18% across 10 Kalshi contracts.
Implied probability
Kalshi
18%
10 contracts
Polymarket
—
not bound
Cross-venue gap
—
single venue
24h move
—
no pin
24h volume
$3K
10 contracts
Closes
Feb 28, 2028
615 days
30-day trend
Bracket families
9 clusters across 10 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
Who will win Players' Player of the Year
Cluster 2
Will Caleb Downs win the Defensive Rookie of the Year
Will Caleb Downs win the Defensive Rookie of the Year?: Caleb Downs
KXNFLDROTY-27-CDOW
Cluster 3
Will Makai Lemon win the Offensive Rookie of the Year
Will Makai Lemon win the Offensive Rookie of the Year?: Makai Lemon
KXNFLOROTY-27-MLEM
Cluster 4
Will Jordyn Tyson win the Offensive Rookie of the Year
Will Jordyn Tyson win the Offensive Rookie of the Year?: Jordyn Tyson
KXNFLOROTY-27-JTYS
Cluster 5
Will Rueben Bain Jr. win the Defensive Rookie of the Year
Will Rueben Bain Jr. win the Defensive Rookie of the Year?: Rueben Bain Jr.
KXNFLDROTY-27-RBAI
Cluster 6
Will Carson Beck win the Offensive Rookie of the Year
Will Carson Beck win the Offensive Rookie of the Year?: Carson Beck
KXNFLOROTY-27-CBEC
Cluster 7
Will Jadarian Price win the Offensive Rookie of the Year
Will Jadarian Price win the Offensive Rookie of the Year?: Jadarian Price
KXNFLOROTY-27-JPRI
Cluster 8
Will Arvell Reese win the Defensive Rookie of the Year
Will Arvell Reese win the Defensive Rookie of the Year?: Arvell Reese
KXNFLDROTY-27-AREE
Cluster 9
Will Fernando Mendoza win the Offensive Rookie of the Year
Will Fernando Mendoza win the Offensive Rookie of the Year?: Fernando Mendoza
KXNFLOROTY-27-FMEN
Analysis
This 15% probability reflects market expectations for a specific Rookie of the Year winner in what appears to be a fragmented field. The low individual contract prices suggest no single candidate has emerged as the clear favorite, with the highest-priced contract at 11 cents indicating distributed expectations across multiple rookies. The current probability level is driven by competitive uncertainty among candidates like Jadarian Price, Jordyn Tyson, and Makai Lemon. Movement in this probability will depend on performance metrics during the remainder of the season and how individual rookie statistics develop relative to peers. The primary resolution point will be the official Rookie of the Year award announcement at season's end, which typically occurs in early 2027, making regular performance data and voting patterns key indicators of probability shifts.
- ›No single candidate contracts above 11 cents suggests a competitive, multi-candidate field rather than a consensus favorite
- ›The gap between individual contract prices (7-11 cents) indicates meaningful probability distributed across at least 3-4 serious contenders
- ›24-hour trading volumes remain modest (under $300 for top contracts), suggesting limited market certainty or attention to individual rookie races
- ›Performance statistics and cumulative season data through the remainder of 2026 will directly influence probabilities as voters evaluate candidates
- ›The official award announcement timing in early 2027 serves as the hard resolution date, making pre-announcement period trading patterns a potential leading indicator
What moved the line
- Jun 23Declan Rice↓9pp14→5¢ · Kalshi
- Jun 22Bruno Fernandes↑8pp57→65¢ · Kalshi
- Jun 17Bruno Fernandes↓4pp59→55¢ · Kalshi
- Jun 23Caleb Downs↑3pp17→20¢ · Kalshi
- Jun 21Declan Rice↑3pp13→16¢ · Kalshi
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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.
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