TOTAL VOLUME:

$134b

24H VOL:

$107,351,958

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,416,970,024

400,720

Markets across

30,097

events

MATCHED EVENTS:

2,633

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Insights
Indices
Tour
All
Trending
Breaking
New
Ending Soon
Politics
Sports
Crypto
Companies
Elections
Financials
Economics
Other
Entertainment
Science and Technology
PGA Tour: ISCO Championship Winner
kalshi
polymarket

Who will win the 2026 ISCO Championship?

Volume:
$293,419

Zach Johnson

 - Kalshi

Zach Johnson - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 13, 2026

Closed: Jul 12, 5:52 PM EST

kalshi

Kalshi

View
Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Zach Johnson

View
100%
Yes 100¢No 0¢
100¢
N/A
$154,596
N/A
N/A
$48,941
Settled
Yes
polymarket

Steven Fisk

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$6,152
N/A
N/A
N/A
Settled
Yes
kalshi

Jerry Kelly

View
0%
Yes 0¢No 100¢
100¢
N/A
$26,824
N/A
N/A
$6,319
Settled
No
polymarket

Lucas Glover

View
0%
Yes 0¢No 100¢
—
N/A
$23,330
N/A
N/A
N/A
Settled
No
kalshi

Stewart Cink

View
0%
Yes 0¢No 100¢
100¢
N/A
$21,690
N/A
N/A
$8,662
Settled
No
kalshi

Miguel Angel Jimenez

View
0%
Yes 0¢No 100¢
100¢
N/A
$13,186
N/A
N/A
$7,128
Settled
No
kalshi

Cameron Percy

View
0%
Yes 0¢No 100¢
100¢
N/A
$6,023
N/A
N/A
$2,504
Settled
No
polymarket

Taylor Pendrith

View
0%
Yes 0¢No 100¢
—
N/A
$4,284
N/A
N/A
N/A
Settled
No
kalshi

Darren Clarke

View
0%
Yes 0¢No 100¢
100¢
N/A
$3,347
N/A
N/A
$2,192
Settled
No
kalshi

Angel Cabrera

View
0%
Yes 0¢No 100¢
100¢
N/A
$3,078
N/A
N/A
$3,052
Settled
No
polymarket

Stephan Jaeger

View
0%
Yes 0¢No 100¢
—
N/A
$2,573
N/A
N/A
N/A
Settled
No
polymarket

Zac Blair

View
0%
Yes 0¢No 100¢
—
N/A
$2,130
N/A
N/A
N/A
Settled
No
kalshi

Rory Sabbatini

View
0%
Yes 0¢No 100¢
100¢
N/A
$2,057
N/A
N/A
$2,057
Settled
No
polymarket

Max Homa

View
0%
Yes 0¢No 100¢
—
N/A
$2,030
N/A
N/A
N/A
Settled
No
kalshi

Ben Crane

View
0%
Yes 0¢No 100¢
100¢
N/A
$1,870
N/A
N/A
$1,870
Settled
No
polymarket

Chan Kim

View
0%
Yes 0¢No 100¢
—
N/A
$1,263
N/A
N/A
N/A
Settled
No
kalshi

Ryan Armour

View
0%
Yes 0¢No 100¢
100¢
N/A
$838
N/A
N/A
$820
Settled
No
kalshi

Retief Goosen

View
0%
Yes 0¢No 100¢
100¢
N/A
$823
N/A
N/A
$783
Settled
No
kalshi

Boo Weekley

View
0%
Yes 0¢No 100¢
100¢
N/A
$696
N/A
N/A
$665
Settled
No
kalshi

Mike Weir

View
0%
Yes 0¢No 100¢
100¢
N/A
$650
N/A
N/A
$457
Settled
No
kalshi

Soren Kjeldsen

View
0%
Yes 0¢No 100¢
100¢
N/A
$502
N/A
N/A
$502
Settled
No
polymarket

Danie Van Tonder

View
0%
Yes 0¢No 100¢
—
N/A
$384
N/A
N/A
N/A
Settled
No
kalshi

Tag Ridings

View
0%
Yes 0¢No 100¢
100¢
N/A
$375
N/A
N/A
$350
Settled
No
kalshi

Tommy Gainey

View
0%
Yes 0¢No 100¢
100¢
N/A
$366
N/A
N/A
$359
Settled
No
kalshi

George McNeill

View
0%
Yes 0¢No 100¢
100¢
N/A
$364
N/A
N/A
$355
Settled
No
Total markets: 25 of 201

Description

This event group covers prediction markets for the winner of the 2026 ISCO Championship, a PGA Tour event. Polymarket offers individual player-specific binary markets plus an 'Other' catch-all, while Kalshi appears to reference a different tournament (Kaulig Companies Championship) with a senior/Champions Tour player roster, creating a fundamental mismatch in tournament identity.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Polymarket and Kalshi reference different tournaments. Polymarket explicitly covers the 2026 ISCO Championship (PGA Tour main tour), while Kalshi's player roster (senior/Champions Tour players) and tournament name (Kaulig Companies Championship) indicate a different event entirely, making cross-platform resolution impossible.Hero tip: This is a critical data integrity issue. Do not trade these markets as a unified group. Contact PredictionHero support and both platforms to clarify: (1) Is Kalshi data outdated or mislabeled? (2) Are both platforms actually pricing the same 2026 ISCO Championship? (3) If Kalshi is pricing a different tournament, these markets should not be grouped together.

Critical divergence points:

  • Polymarket: Covers 2026 ISCO Championship (PGA Tour). Resolution: Official PGA Tour website (pgatour.com). Individual player binary markets plus Other catch-all. Unlisted player wins = Other. Tie resolved by alphabetical last name. Deadline: July 18, 2026 8:00 PM ET.
  • Kalshi: References Kaulig Companies Championship with senior/Champions Tour roster (Bernhard Langer, Vijay Singh, Miguel Angel Jimenez, etc.). No explicit resolution source, deadline, or tiebreaker rules provided. Tournament identity does not match Polymarket's ISCO Championship.
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 according to the listed player who wins the 2026 ISCO Championship tournament. If a listed player is eliminated from contention for the ISCO Championship tournament based on the official rules of the tournament, the relevant market will immediately resolve to "No". If an unlisted player wins the ISCO Championship tournament this market will resolve to "Other". In the event of a tie, this market will resolve according to the official winner as determined by PGA Tour official tournament rules. If multiple winners are announced then this market will resolve to the player whose listed last name comes first alphabetically. If no winner is announced by July 18, 2026 at 8:00PM ET this market will resolve to "Other". The primary resolution source will be the official results published by the PGA Tour website (https://www.pgatour.com/).

Kalshi

The 2026 Kaulig Companies Championship winner is determined by which eligible golfer achieves the lowest score over the tournament rounds. Each golfer listed has an individual market; if that golfer wins the championship, their market resolves to Yes. If a golfer forfeits, withdraws, or fails to participate prior to teeing off, tournament winner markets for that player resolve to No. Golfers who withdraw before play begins will not be considered for tournament victory, ensuring only active participants can win.

Frequently asked questions

Prediction markets and traditional sportsbooks price golf tournaments differently because they operate under distinct incentive structures. Sportsbooks set odds to balance their book and manage liability, often incorporating a built-in margin. Prediction markets like those tracked here rely on trader consensus and real-money risk, which can surface sharper, less-biased estimates when liquidity is deep. However, sportsbooks may update faster during breaking news or injury reports, while prediction markets can lag if volume is thin. Comparing both sources helps identify where consensus diverges and spot potential value.

Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Each platform attracts different trader demographics, fee structures, and regulatory frameworks that influence how odds are set. Polymarket and Kalshi may also have varying liquidity pools for golf markets, meaning a large trade on one venue can move prices more sharply than on the other. Settlement rules, UI design, and user base composition all contribute to temporary price gaps. Savvy traders monitor both platforms to spot arbitrage opportunities or to validate which price better reflects true consensus before the championship concludes.

Major catalysts include player injuries, recent tournament form, course conditions, and weather forecasts closer to July. A top contender's withdrawal or a strong performance at a warm-up event can shift odds significantly. Betting syndicates and sharp money entering the market often trigger repricing as new information surfaces. Media coverage of player storylines, equipment changes, or coaching updates may also influence trader sentiment. Monitor PGA Tour announcements and golf news outlets for developments that could reshape the field's perceived chances before the championship tees off.