TOTAL VOLUME:

$154.6b

24H VOL:

$333,432,169

24H TRANSACTIONS:

2,984,640,614

OPEN INTEREST:

$1,971,286,090

419,492

Markets across

40,634

events

MATCHED EVENTS:

4,654

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

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Sports
Arribage / Olivetti vs Frantzen / Haase
kalshi

Arribage / Olivetti vs Frantzen / Haase

Volume:
$118,094

Theo Arribage / Albano Olivetti

 - Kalshi

Theo Arribage / Albano Olivetti - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 31, 2026

Closed: Oct 31, 9:39 AM EST

kalshi

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

Theo Arribage / Albano Olivetti

View
100%
Yes 100¢No 0¢
—
N/A
$45,548
N/A
N/A
$11,010
Settled
Yes
kalshi

Constantin Frantzen / Robin Haase

0%
Yes 0¢No 100¢
—
N/A
$72,546
N/A
N/A
$33,959
Settled
No
Total markets: 2

Description

This market tracks the outcome of a professional tennis doubles match between the teams of Arribage/Olivetti and Frantzen/Haase scheduled for the 2026 ATP Basel Semifinal. It focuses on which pair will emerge victorious after the match officially begins. If the match does not start due to cancellations, the market adjusts fairly, while postponements keep the market open until resolution.

Kalshi

The event determines the winner of the professional tennis doubles match between Arribage/Olivetti and Frantzen/Haase in the 2026 ATP Basel Semifinal, resolving based on which team secures victory after play has commenced. If the match fails to start due to injury, walkover, forfeiture, or other cancellations before any ball is played, the market resolves to a fair price. Postponements or delays do not close the market; it remains open and settles after the rescheduled match concludes, with a two-week window for final resolution. The market is unaffiliated with the governing league, and all trademarks remain property of their respective owners.