TOTAL VOLUME:

$134b

24H VOL:

$103,397,351

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,410,176,180

399,592

Markets across

30,097

events

MATCHED EVENTS:

2,622

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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MLB: AL All-Star Team
kalshi
polymarket

MLB: AL All-Star Team

Volume:
$131,948

Bobby Witt Jr.

all

2 markets

Polymarket

Kalshi

consensus

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 15, 2026

Closed: Jul 6, 7:59 PM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Bobby Witt Jr.

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$11,676
N/A
N/A
N/A
Settled
Yes
kalshi

Bobby Witt Jr.

View
100%
Yes 100¢No 0¢
100¢
N/A
$228
N/A
N/A
$228
Settled
Yes
kalshi

Ernie Clement

View
100%
Yes 100¢No 0¢
100¢
N/A
$5,418
N/A
N/A
$3,916
Settled
Yes
polymarket

Ernie Clement

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$374
N/A
N/A
N/A
Settled
Yes
kalshi

Vladimir Guerrero Jr.

View
100%
Yes 100¢No 0¢
100¢
N/A
$3,758
N/A
N/A
$2,612
Settled
Yes
polymarket

Vladimir Guerrero Jr.

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$60
N/A
N/A
N/A
Settled
Yes
kalshi

Kevin McGonigle

View
100%
Yes 100¢No 0¢
100¢
N/A
$3,622
N/A
N/A
$2,697
Settled
Yes
polymarket

Kevin McGonigle

View
100%
Yes 100¢No 0¢
1.2¢
N/A
$298
N/A
N/A
N/A
Settled
Yes
kalshi

Munetaka Murakami

View
100%
Yes 100¢No 0¢
100¢
N/A
$3,371
N/A
N/A
$2,548
Settled
Yes
polymarket

Munetaka Murakami

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$446
N/A
N/A
N/A
Settled
Yes
kalshi

Joe Ryan

View
100%
Yes 100¢No 0¢
100¢
N/A
$2,648
N/A
N/A
$1,608
Settled
Yes
polymarket

Joe Ryan

View
100%
Yes 100¢No 0¢
8¢
N/A
$73
N/A
N/A
N/A
Settled
Yes
kalshi

Nick Kurtz

View
100%
Yes 100¢No 0¢
100¢
N/A
$2,363
N/A
N/A
$2,349
Settled
Yes
polymarket

Nick Kurtz

View
100%
Yes 100¢No 0¢
1¢
N/A
$50
N/A
N/A
N/A
Settled
Yes
kalshi

Louis Varland

View
100%
Yes 100¢No 0¢
100¢
N/A
$2,304
N/A
N/A
$2,304
Settled
Yes
polymarket

Louis Varland

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$152
N/A
N/A
N/A
Settled
Yes
kalshi

Yordan Alvarez

View
100%
Yes 100¢No 0¢
100¢
N/A
$1,903
N/A
N/A
$1,902
Settled
Yes
polymarket

Yordan Alvarez

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$560
N/A
N/A
N/A
Settled
Yes
kalshi

Shea Langeliers

View
100%
Yes 100¢No 0¢
100¢
N/A
$1,797
N/A
N/A
$1,796
Settled
Yes
polymarket

Shea Langeliers

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$226
N/A
N/A
N/A
Settled
Yes
kalshi

Byron Buxton

View
100%
Yes 100¢No 0¢
100¢
N/A
$1,501
N/A
N/A
$1,486
Settled
Yes
polymarket

Byron Buxton

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$114
N/A
N/A
N/A
Settled
Yes
kalshi

Cam Schlittler

View
100%
Yes 100¢No 0¢
100¢
N/A
$1,029
N/A
N/A
$1,029
Settled
Yes
polymarket

Cam Schlittler

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$281
N/A
N/A
N/A
Settled
Yes
kalshi

Randy Arozarena

View
100%
Yes 100¢No 0¢
100¢
N/A
$899
N/A
N/A
$703
Settled
Yes
Total markets: 25 of 106

Description

This event group tracks whether specific MLB players will be selected to the 2026 American League All-Star Team. Both platforms offer individual binary markets on the same core question: player selection to the AL roster for the 2026 MLB All-Star Game.

PredictionHero - Resolution Divergence Alerts (RDA)

Unified Resolution Criteria (Consistent across platforms)

Both platforms resolve on identical core logic: official MLB announcement of player selection to the 2026 AL All-Star Team roster, with no bearing on subsequent roster changes.Primary resolution logic: Official MLB announcement of the 2026 American League All-Star Team roster; credible consensus reporting may serve as secondary source if official announcement is delayed or ambiguous.

Core resolution logic:

  • Market resolves YES if the named player is officially announced as a member of the 2026 American League All-Star Team at any point before the deadline.
  • Market resolves NO if the player is not selected or if no official announcement is made by the deadline.
  • Subsequent roster changes, injuries, or replacements after initial announcement do not affect resolution.
  • Resolution is based on first official announcement of player participation; replacement status is irrelevant.

Edge cases & clarifications:

  • No announcement by deadline: If no official AL All-Star Team is announced by July 14, 11:59 PM ET, Polymarket resolves to 50-50 (ambiguous). Kalshi does not explicitly address this scenario but implies NO resolution if announcement does not occur.
  • All-Star Game cancellation: If the 2026 MLB All-Star Game is cancelled before team announcement, or announcement is postponed beyond July 28, 11:59 PM ET, Polymarket resolves to 50-50. Kalshi does not address cancellation scenarios.
  • Player replacement after selection: If a player is selected but later replaced due to injury or other reason, the market still resolves YES based on the initial announcement.
  • Credible reporting vs official announcement: Both platforms accept official MLB sources as primary; credible consensus reporting may be used if official channels are unavailable or delayed.
Timing: Resolution occurs upon official MLB announcement of the 2026 American League All-Star Team roster, expected in early July 2026. Hard deadline for resolution: July 14, 11:59 PM ET (Polymarket); Kalshi does not specify a hard deadline but implies same timeframe.Our PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.

Polymarket

This market will resolve to “Yes” if the listed player is named as a member of the American League All-Star Team at the 2026 MLB All-Star Game. Otherwise, it will resolve to "No". This market will resolve based on the first official announcement that a named individual will participate in the specified event. If that individual is later replaced, it will have no bearing on the resolution of this market. If no official American League All-Star Team at the 2026 MLB All-Star Game is announced by July 14, 11:59 PM ET, this market will resolve to “No”. If the 2026 MLB All-Star Game is cancelled before the team is announced, the announcement is postponed until after July 28, 11:59 PM ET, or there is otherwise no winner declared within that timeframe, this market will resolve to 50-50. The resolution source for this market will be official information from the MLB; however, a consensus of credible reporting may also be used.

Kalshi

If Vladimir Guerrero Jr. is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Munetaka Murakami is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Ben Rice is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Nick Kurtz is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Jonathan Aranda is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Gleyber Torres is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Travis Bazzana is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Jazz Chisholm Jr. is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Ernie Clement is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Jose Altuve is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If José Ramírez is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Junior Caminero is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Miguel Vargas is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Brendan Donovan is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Jacob Wilson is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Kevin McGonigle is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Bobby Witt Jr. is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Brayan Rocchio is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Cal Raleigh is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Ryan Jeffers is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Shea Langeliers is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Adley Rutschman is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Aaron Judge is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Riley Greene is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Javier Báez is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Cody Bellinger is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Byron Buxton is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Mike Trout is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Randy Arozarena is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Ryan O'Hearn is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Yordan Alvarez is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Samuel Basallo is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Yandy Díaz is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Cam Schlittler is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Jacob deGrom is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Bryan Woo is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Joe Ryan is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Gerrit Cole is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Nathan Eovaldi is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Kevin Gausman is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Louis Varland is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Cade Smith is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Grant Taylor is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Rico Garcia is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes. If Aroldis Chapman is selected to the 2026 Pro Baseball American League All-Star Team, then the market resolves to Yes.

Frequently asked questions

Prediction markets like those tracked here operate on a different mechanism than traditional sportsbooks. Rather than setting fixed lines, traders on Polymarket and Kalshi continuously adjust prices based on new information, injuries, performance, and voting patterns. Sportsbooks typically offer limited All-Star betting options and may lag behind prediction market repricing. Prediction markets often reflect sharper consensus because participants have direct financial incentive to forecast accurately over weeks, whereas sportsbook odds prioritize balanced action and profit margins.

Player performance during the regular season is the primary driver—hot streaks and statistical milestones increase selection odds, while slumps or injuries reduce them. Fan voting announcements and All-Star Game voting updates will trigger repricing across both platforms. Managerial selections and injury replacements announced closer to the event date often create sharp moves. Trade deadline activity, unexpected roster changes, and late-season momentum shifts can also shift odds significantly. Monitor injury reports and official MLB communications for real-time market impact.