SimpleFunctions
Winner-take-all answer·8 source contracts·Kalshi 8·refreshed just now·1pp · 17h

Will Vahn Lackey play in a game for any team in the MLB before Nov 1, 2030

Leader sits at 94% across 8 bound outcomes, runner-up at 93%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.

Leader probability

94%

Before Aug 1, 2030

runner-up 93¢leader 94¢

Outcomes

8

winner-take-all

Runner-up

93¢

Before Nov 1, 2030

Spread

1pp

contested

24h volume

$182

thin orderbook

Closes

not derived

Venue

Kalshi

8 bound

30-day trend

0%50%100%-30d-3w-2w-1wtodayBefore Aug 1, 2030: 5% on 2026-07-11Before Nov 1, 2030: 5% on 2026-07-11Before Nov 1, 2031: 5% on 2026-07-11
Before Aug 1, 20305¢Before Nov 1, 20305¢Before Nov 1, 20315¢
Top 3 candidates by current price · 1d

Bracket family

How the bracket ladder is priced.

Each row is one outcome on the venue. Sorted by 24h volume — the heaviest book is at the top.

Analysis

This market indicates an 93% probability that Vahn Lackey will appear in at least one MLB game before November 1, 2030. The high confidence reflects typical career progression timelines for prospects who reach the MLB pipeline, with most players either debuting or being eliminated from contention within a 4-year window. Market prices suggest increasing uncertainty as the deadline extends further, with the probability declining only slightly from an 87% forecast for May 2030 to 93% by November 2030—indicating some skepticism about whether Lackey will sustain eligibility through the full period. The primary factors driving this probability are Lackey's current status in professional baseball development, injury risk, and performance benchmarks at lower levels that typically precede promotion.

  • Current age, minor league level, and projected timeline to MLB readiness based on organizational depth charts and published prospect rankings
  • Historical debut rates for pitchers at Lackey's development stage, accounting for injury, performance plateaus, and organizational decisions to promote or decline prospects
  • Team roster composition and availability of positions entering 2029-2030 season, which determines whether a slot exists for a debut opportunity
  • Significant injury or performance regression documented in official minor league statistics that would materially reduce promotion probability
  • Organizational changes, trades, or salary cap pressures that might accelerate or delay prospects entering the active roster

Recently closed in sports

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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