Which Pro Baseball Managers will be out before Dec 1, 2026
Leader sits at 50% across 19 bound outcomes, runner-up at 31%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.
Leader probability
Matt Quatraro
Outcomes
19
winner-take-all
Runner-up
31¢
Joe Espada
Spread
19pp
contested
24h volume
$7
thin orderbook
Closes
Dec 1, 2026
132 days
Venue
Kalshi
19 bound
30-day trend
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.
Cluster 1
Which Pro Baseball Managers will be out before Dec 1, 2026
Which Pro Baseball Managers will be out before Dec 1, 2026?: Joe Espada
KXCOACHOUTMLB-26DEC01-JESP
Which Pro Baseball Managers will be out before Dec 1, 2026?: Craig Stammen
KXCOACHOUTMLB-26DEC01-CSTA
Which Pro Baseball Managers will be out before Dec 1, 2026?: Don Kelly
KXCOACHOUTMLB-26DEC01-DKEL
Which Pro Baseball Managers will be out before Dec 1, 2026?: Aaron Boone
KXCOACHOUTMLB-26DEC01-ABOO
Which Pro Baseball Managers will be out before Dec 1, 2026?: Derek Shelton
KXCOACHOUTMLB-26DEC01-DSHE
Which Pro Baseball Managers will be out before Dec 1, 2026?: Pat Murphy
KXCOACHOUTMLB-26DEC01-PMUR
Which Pro Baseball Managers will be out before Dec 1, 2026?: Clayton McCullough
KXCOACHOUTMLB-26DEC01-CMCC
Which Pro Baseball Managers will be out before Dec 1, 2026?: Kurt Suzuki
KXCOACHOUTMLB-26DEC01-KSUZ
Which Pro Baseball Managers will be out before Dec 1, 2026?: Matt Quatraro
KXCOACHOUTMLB-26DEC01-MQUA
Which Pro Baseball Managers will be out before Dec 1, 2026?: A.J. Hinch
KXCOACHOUTMLB-26DEC01-AHIN
Which Pro Baseball Managers will be out before Dec 1, 2026?: Warren Schaeffer
KXCOACHOUTMLB-26DEC01-WSCH
Which Pro Baseball Managers will be out before Dec 1, 2026?: Stephen Vogt
KXCOACHOUTMLB-26DEC01-SVOG
Which Pro Baseball Managers will be out before Dec 1, 2026?: Terry Francona
KXCOACHOUTMLB-26DEC01-TFRA
Which Pro Baseball Managers will be out before Dec 1, 2026?: Will Venable
KXCOACHOUTMLB-26DEC01-WVEN
Which Pro Baseball Managers will be out before Dec 1, 2026?: Craig Counsell
KXCOACHOUTMLB-26DEC01-CCOU
Which Pro Baseball Managers will be out before Dec 1, 2026?: Craig Albernaz
KXCOACHOUTMLB-26DEC01-CALB
Which Pro Baseball Managers will be out before Dec 1, 2026?: Walt Weiss
KXCOACHOUTMLB-26DEC01-WWEI
Which Pro Baseball Managers will be out before Dec 1, 2026?: Mark Kotsay
KXCOACHOUTMLB-26DEC01-MKOT
Which Pro Baseball Managers will be out before Dec 1, 2026?: Torey Lovullo
KXCOACHOUTMLB-26DEC01-TLOU
Analysis
This represents the market's assessment that at least one Major League Baseball manager will be fired, resign, or otherwise depart before December 1, 2026—about 150 days from now. The 43% probability for A.J. Hinch reflects uncertainty around mid-season managerial changes, which typically occur when teams underperform or face organizational conflicts. The timing matters because we're currently in the 2026 regular season, so this period captures the remainder of the season through the playoffs and immediate offseason. The main drivers are current team performance relative to expectations, playoff positioning decisions, and any organizational instability. The biggest inflection point will be the trade deadline and subsequent playoff performance, which historically correlate with managerial changes.
- ›A.J. Hinch's Houston Astros performance through the trade deadline and playoff push—teams typically make managerial changes if postseason hopes fade or internal conflict emerges
- ›Year-to-date win-loss records and playoff probability for teams managed by the other candidates (Boone, Counsell, Butera, Albernaz) relative to organizational expectations
- ›Historical baseline: MLB averages roughly 1-2 mid-season managerial changes per season, making a ~43% probability for a single manager within 5 months realistic but not heavily favored
- ›Any reported front-office tensions, contract disputes, or public statements indicating job security concerns for listed managers
- ›Playoff qualification thresholds for each manager's team—teams eliminated from contention are more likely to make leadership changes before October
What moved the line
- Jul 19Kurt Suzuki↓18pp21→3¢ · Kalshi
- Jul 19Joe Espada↓17pp20→3¢ · Kalshi
- Jul 18Joe Espada↓15pp35→20¢ · Kalshi
- Jul 20Joe Espada↑13pp3→16¢ · Kalshi
- Jul 21Joe Espada↑13pp16→29¢ · Kalshi
Recently closed in general
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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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In general
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.
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