TOTAL VOLUME:

$154.4b

24H VOL:

$230,589,906

24H TRANSACTIONS:

2,984,028,936

OPEN INTEREST:

$1,885,293,300

410,482

Markets across

40,213

events

MATCHED EVENTS:

4,340

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

BETA
Dashboards
Insights
Indices
API
Tour
All
Trending
Breaking
New
Ending Soon
Politics
Sports
Elections
Crypto
Companies
Financials
Economics
Other
Entertainment
Science and Technology
Cali: Sofia Costoulas vs Marina Bassols Ribera
🌟New
polymarket

What is the result of Sofia Costoulas vs Marina Bassols Ribera?

Nov 1, 2026, 6:14 PM EST - Nov 10, 2026, 11:00 AM EST
Total volume:
$18
Volume 24h:
N/AN/A
Liquidity:
$35,717
13%
Open interest:
$18N/A

Cali: Sofia Costoulas vs Marina Bassols Ribera

 - Polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolves Nov 10, 2026

Time left: 07d:16h:56m

Cali: Sofia Costoulas vs Marina Bassols Ribera

34%chance
Amount

$

Trade on
polymarket

Trade on Polymarket

At 34¢ buys you 294 shares | Odds: 34% Total Payout: $294 | Net Profit: $194 Multiplier: 2.94x | ROI: 194% APY not meaningful 7 days to resolution
You will be redirected to the platform to complete this trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera

Trade
34%
Yes 34¢No 67¢
1¢
$6,761
$18
N/A
N/A
N/A
1w 16h
Active
polymarket

Completed Match

Trade
100%
Yes 100¢No 99¢
99¢
$0
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Set 1 Winner

Trade
37%
Yes 38¢No 64¢
2¢
$3,941
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Set 2 Winner

Trade
50%
Yes 97¢No 97¢
94¢
$66
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Total Sets: O/U 2.5

Trade
36%
Yes 37¢No 65¢
2¢
$3,379
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Set 1 O/U 8.5

Trade
65%
Yes 67¢No 37¢
4¢
$1,082
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Set 1 O/U 9.5

Trade
49%
Yes 96¢No 98¢
94¢
$50
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Set 1 O/U 10.5

Trade
21%
Yes 24¢No 82¢
6¢
$551
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Set 2 O/U 8.5

Trade
98%
Yes 98¢No 51¢
—
$10
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Set 2 O/U 9.5

Trade
98%
Yes 98¢No 51¢
—
$10
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Set 2 O/U 10.5

Trade
98%
Yes 98¢No 51¢
—
$10
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Match O/U 21.5

Trade
45%
Yes 46¢No 56¢
2¢
$5,864
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Match O/U 22.5

Trade
47%
Yes 93¢No 99¢
92¢
$56
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Match O/U 23.5

Trade
47%
Yes 93¢No 99¢
92¢
$63
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Set Handicap +/-1.5

Trade
18%
Yes 19¢No 83¢
2¢
$2,229
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Set Handicap +/-1.5

Trade
45%
Yes 46¢No 56¢
2¢
$5,577
N/A
N/A
N/A
N/A
1w 16h
Active
polymarket

Cali: Sofia Costoulas vs Marina Bassols Ribera Game Spread +/-3.5

Trade
53%
Yes 54¢No 48¢
2¢
$6,069
N/A
N/A
N/A
N/A
1w 16h
Active
Total markets: 17

Description

This market refers to the tennis match between Sofia Costoulas and Marina Bassols Ribera in the Cali, originally scheduled for November 3, 2026 at 11:00AM ET. This market will resolve to 'Sofia Costoulas' if Sofia Costoulas advances against Marina Bassols Ribera. This market will resolve to 'Marina Bassols Ribera' if Marina Bassols Ribera advances against Sofia Costoulas. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 17, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.

Polymarket

This market refers to the tennis match between Sofia Costoulas and Marina Bassols Ribera in the Cali, originally scheduled for November 3, 2026 at 11:00AM ET. This market will resolve to 'Sofia Costoulas' if Sofia Costoulas advances against Marina Bassols Ribera. This market will resolve to 'Marina Bassols Ribera' if Marina Bassols Ribera advances against Sofia Costoulas. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 17, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.

Frequently asked questions

On Polymarket, the dashboard for the Costoulas vs Ribera match tracks the current odds, price history, and 24-hour trading volume. You can see how the implied probability of each outcome changes over time, as well as the total volume traded in this market. Currently, the 24-hour volume is $18 and the total volume is $18. This allows traders to understand market sentiment and identify potential trading opportunities related to this tennis match.

Often, prediction market odds reflect a different perspective than those found at traditional sportsbooks. Sportsbooks typically incorporate a 'vig' or commission into their odds, while this market aims to represent the true probability as assessed by traders. Discrepancies can arise due to differing information, biases, or levels of expertise between market participants and sportsbook oddsmakers. Comparing the two can reveal where the 'wisdom of the crowd' on Polymarket diverges from professional analysis, potentially highlighting undervalued or overvalued outcomes.

This market resolves around Nov 10, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will be determined by the official result of the Costoulas vs Ribera match, as reported by a recognized tennis authority. Traders will be able to claim their winnings once the outcome is finalized and reported, based on the shares they hold representing the winning outcome. The platform will then distribute funds accordingly.

Several factors could influence the price movement of this market before Nov 10, 2026. Any news regarding player form, injuries, or changes in playing conditions could significantly shift trader sentiment. Unexpected announcements about either player's preparation or strategy could also impact the odds. Furthermore, large trades or shifts in overall market volume on Polymarket can create momentum and drive price fluctuations, reflecting evolving expectations about the final result of the Costoulas vs Ribera match.