TOTAL VOLUME:
$134b
24H VOL:
$85,014,378
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,391,695,592
394,774
Markets across
30,069
events
MATCHED EVENTS:
2,615
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 29, 11:50 AM EST
Kalshi
This market tracks whether baseball prospect Walker Jenkins will appear in an MLB game for any team before the end of the 2026 season. On Kalshi, the leading outcome—that Jenkins plays in a regular season or playoff game before October 1, 2026—stands at 85.0%. The market resolves based on official MLB records of game appearances. Watch for Jenkins's assignment to an MLB roster and his first game appearance during the 2026 regular season or playoffs, which will determine the resolution outcome.
The market resolves to Yes based on progressive time windows for Walker Jenkins' debut with any MLB team. If Jenkins plays in a regular season or playoff game before July 13, 2026, the earliest outcome resolves Yes. If he debuts between July 13 and August 1, 2026, the second outcome resolves Yes. Subsequent outcomes track debuts before September 1, October 1, November 1, 2026, then May 1, 2027, and finally November 1, 2027. Only the earliest applicable outcome resolves Yes; once a debut occurs, all subsequent time windows also satisfy their conditions but represent later debut scenarios.
The Walker Jenkins: Debut Date market resolves on Nov 1, 2027. Resolution is determined by whether Walker Jenkins appears in an official MLB game for any team before May 1, 2027. The outcome is binary: either Jenkins plays in a game before that deadline, or he does not. Official MLB records and box scores serve as the source of truth for determining whether a debut has occurred. Once the resolution date passes or Jenkins makes his debut, whichever comes first, the contract settles and traders receive their payouts based on the final outcome.
Several catalysts could shift odds on Jenkins's debut timeline. A signing announcement by an MLB team would likely increase the probability significantly. Positive minor-league performance reports, promotions through farm systems, or injury updates involving roster depth could also move the market upward. Conversely, injuries to Jenkins, demotion, or extended minor-league assignments might lower odds. Rule changes, expansion rosters, or unexpected roster moves by teams could create volatility. Spring training performance, trades involving Jenkins's organization, and front-office statements about his timeline all influence trader expectations. Real-time news flow and market sentiment shifts drive price discovery until either Jenkins debuts or the May 1, 2027 deadline passes.