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$148.3b

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$206,446,559

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2,817,056,367

OPEN INTEREST:

$1,853,498,357

475,549

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35,554

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MATCHED EVENTS:

2,812

PLATFORM COVERAGE:

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Open de España presented by Madrid Winner
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Who will win the Open de España presented by Madrid?

Volume:
$8,411,439

Grant Forrest

 - Kalshi

Grant Forrest - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 11, 2026

Closed: Oct 11, 12:35 PM EST

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Kalshi

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

Grant Forrest

View
100%
84%
Yes 100¢No 0¢
—
N/A
$400,582
N/A
N/A
$174,301
Settled
Yes
kalshi

Eugenio Lopez-Chacarra

0%
1%
Yes 0¢No 100¢
—
N/A
$900,751
N/A
N/A
$507,830
Settled
No
kalshi

Jacob Skov Olesen

0%
19%
Yes 0¢No 100¢
—
N/A
$490,289
N/A
N/A
$263,516
Settled
No
kalshi

Angel Ayora

0%
6%
Yes 0¢No 100¢
—
N/A
$434,089
N/A
N/A
$272,216
Settled
No
kalshi

Ludvig Aberg

0%
Yes 0¢No 100¢
—
N/A
$319,423
N/A
N/A
$223,063
Settled
No
kalshi

Connor Syme

0%
Yes 0¢No 100¢
—
N/A
$290,937
N/A
N/A
$184,363
Settled
No
kalshi

Joe Dean

0%
25%
Yes 0¢No 100¢
—
N/A
$285,816
N/A
N/A
$128,059
Settled
No
kalshi

Victor Perez

0%
18%
Yes 0¢No 100¢
—
N/A
$239,361
N/A
N/A
$111,412
Settled
No
kalshi

Tom McKibbin

0%
Yes 0¢No 100¢
—
N/A
$234,936
N/A
N/A
$234,038
Settled
No
kalshi

Marco Penge

0%
Yes 0¢No 100¢
—
N/A
$232,741
N/A
N/A
$216,518
Settled
No
kalshi

Tyrrell Hatton

0%
Yes 0¢No 100¢
—
N/A
$213,349
N/A
N/A
$212,761
Settled
No
kalshi

Jeff Winther

0%
Yes 0¢No 100¢
—
N/A
$204,166
N/A
N/A
$199,204
Settled
No
kalshi

Angel Hidalgo

0%
Yes 0¢No 100¢
—
N/A
$203,654
N/A
N/A
$202,097
Settled
No
kalshi

Daniel Hillier

0%
1%
Yes 0¢No 100¢
—
N/A
$181,346
N/A
N/A
$86,086
Settled
No
kalshi

David Puig

0%
Yes 0¢No 100¢
—
N/A
$168,386
N/A
N/A
$86,498
Settled
No
kalshi

Francesco Molinari

0%
Yes 0¢No 100¢
—
N/A
$119,804
N/A
N/A
$113,421
Settled
No
kalshi

Joel Girrbach

0%
12%
Yes 0¢No 100¢
—
N/A
$109,688
N/A
N/A
$74,004
Settled
No
kalshi

Manuel Elvira

0%
Yes 0¢No 100¢
—
N/A
$106,727
N/A
N/A
$106,726
Settled
No
kalshi

Patrick Reed

0%
Yes 0¢No 100¢
—
N/A
$103,687
N/A
N/A
$101,029
Settled
No
kalshi

Jon Rahm

0%
Yes 0¢No 100¢
—
N/A
$96,667
N/A
N/A
$93,709
Settled
No
kalshi

Shane Lowry

0%
Yes 0¢No 100¢
—
N/A
$95,295
N/A
N/A
$78,903
Settled
No
kalshi

Bernd Wiesberger

0%
Yes 0¢No 100¢
—
N/A
$93,011
N/A
N/A
$81,992
Settled
No
kalshi

Daniel Rodrigues

0%
Yes 0¢No 100¢
—
N/A
$92,974
N/A
N/A
$88,150
Settled
No
kalshi

Tom Vaillant

0%
Yes 0¢No 100¢
—
N/A
$90,754
N/A
N/A
$90,729
Settled
No
kalshi

Frederic LaCroix

0%
Yes 0¢No 100¢
—
N/A
$83,296
N/A
N/A
$83,296
Settled
No
Total markets: 25 of 128

Intro

This market tracks whether Grant Forrest will win the Open de España presented by Madrid golf tournament. Currently, Kalshi gives a 98.5% probability to Open de España presented by Madrid: Grant Forrest wins. Resolution will be determined by whether Ludvig Aberg wins the Open de España presented by Madrid, as specified by the resolution source. Keen observers should watch the tournament results closely, with the market slated to resolve based on the outcome of the event window ending on 2026-10-11.

Kalshi

Each market resolves based on whether the specified golfer wins the Open de España presented by Madrid. If the golfer wins, the market resolves to Yes; otherwise, it resolves to No. If a golfer forfeits, withdraws, or does not participate before teeing off, Tournament Winner and End of Round Leader markets resolve to No, while Finishing Position, Make the Cut, Head-to-Head, and 3-Ball markets resolve to Fair Market Value. These rules ensure consistent resolution across all markets, regardless of the specific golfer or market type, maintaining fairness and clarity for all participants.

Frequently asked questions

On Kalshi, the dashboard for the Open de España winner market tracks the current odds for each potential winner, the price history of the contract, and the 24-hour trading volume. Currently, the total volume for this market is $8,411,439, with $1,429,957 traded in the last 24 hours. This allows participants to monitor market sentiment and trading activity related to who will win the tournament. The dashboard provides a real-time view of how traders are assessing the probabilities of different golfers winning.

Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks set initial lines based on their own analysis, potentially incorporating biases or aiming to balance their book. This market, however, is driven by individuals trading based on their own information and beliefs. If a significant number of traders believe a golfer is undervalued by sportsbooks, they will buy contracts, driving up the price and shifting the implied probability. Discrepancies can arise due to differing information access or risk assessment among traders and bookmakers.

On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing their belief in a golfer winning the Open de España. The price of each contract represents the implied probability of that golfer winning. As more traders buy a contract, the price increases, and vice versa. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market dynamically adjusts to new information and changing sentiment, reflecting the collective intelligence of the traders participating. This creates a fluid and responsive pricing mechanism.

This market resolves around Oct 11, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official results of the Open de España presented by Madrid, determining which golfer is declared the winner. The platform will verify the results against trusted sources to ensure accuracy and transparency. Traders holding contracts for the winning golfer will receive a payout, while those holding contracts for other golfers will not.

Several factors could significantly impact this market. Any news regarding golfer injuries, changes in form during practice rounds, or weather forecasts impacting playing conditions could shift trader sentiment. Unexpected withdrawals from key contenders would also likely cause price movements. Furthermore, live performance during the tournament itself – a strong first-round score or a late-round collapse – will undoubtedly influence the market as traders react to unfolding events. Public endorsements or notable analyst opinions could also contribute to shifts in this market.