SimpleFunctions
7 source contracts·Kalshi 7·refreshed just now·Closes Aug 17, 2026 · 37d

Will Denny Hamlin win the 2026 NASCAR In-Season Challenge

Liquidity-weighted aggregate sits at 11% across 7 Kalshi contracts.

Implied probability

11%
0%50%100%

Kalshi

11%

7 contracts

Polymarket

not bound

Cross-venue gap

single venue

24h move

no pin

24h volume

$884

7 contracts

Closes

Aug 17, 2026

37 days

Bracket families

7 clusters across 7 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 William Byron win the 2026 NASCAR In-Season Challenge

1 contract$306

Cluster 2

Will Ryan Blaney win the 2026 NASCAR In-Season Challenge

1 contract$184

Cluster 3

Will Alex Bowman win the 2026 NASCAR In-Season Challenge

1 contract$157

Cluster 4

Will Chase Briscoe win the 2026 NASCAR In-Season Challenge

1 contract$114

Cluster 5

Will Christopher Bell win the 2026 NASCAR In-Season Challenge

1 contract$78

Cluster 6

Will Chase Elliott win the 2026 NASCAR In-Season Challenge

1 contract$45

Cluster 7

Will Denny Hamlin win the 2026 NASCAR In-Season Challenge

1 contract$0

Analysis

The 8% probability reflects market assessment that Denny Hamlin has a relatively low chance of winning the 2026 NASCAR In-Season Challenge among a competitive field. Hamlin's current odds sit below several other top competitors, suggesting the market views other drivers as more likely contenders based on recent performance and equipment. The In-Season Challenge outcome will depend on race-specific performance during the designated event window—typically a short tournament format within the regular season. Hamlin's probability could shift based on qualifying results, head-to-head matchup performance, and whether his Joe Gibbs Racing team shows competitive pace relative to entries like Joe Gibbs Racing teammates or competitors from other organizations. The event itself, when it occurs later in the 2026 season, will fully resolve the market, making pre-event trading driven by team performance trends and driver form.

  • Hamlin's current contract price (18¢) is higher than several competitors listed, suggesting the market distinguishes between favorite and long-shot candidates despite all prices remaining low
  • The In-Season Challenge format typically rewards consistent performance across multiple races or head-to-head eliminations, which may favor certain teams' overall 2026 competitiveness
  • Joe Gibbs Racing's competitive status in 2026 relative to other organizations will materially affect Hamlin's chances, as team equipment and strategy significantly influence short-format tournament outcomes
  • Hamlin's individual race results and driver form in the weeks preceding the In-Season Challenge will likely influence probability movements prior to the event
  • The challenge is scheduled to occur during the 2026 regular season; its specific timing and format rules determine which performance metrics most predict success

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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