TOTAL VOLUME:

$134.2b

24H VOL:

$129,159,707

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,442,132,418

404,744

Markets across

30,489

events

MATCHED EVENTS:

2,691

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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W50 Berkeley, CA: Karla Bartel vs Janae Preston
polymarket

What is the result of Karla Bartel vs Janae Preston?

Volume:
$3,337

Completed Match

 - Polymarket

Completed Match - Polymarket

1W

News

Positive

Negative

Neutral

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Vol.

·

Resolved Sep 21, 2026

Closed: Sep 21, 3:08 PM EST

polymarket

Polymarket

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

Completed Match

View
100%
Yes 100¢No 0.1¢
0.1¢
N/A
$880
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston

0%
Yes 0.1¢No 100¢
—
N/A
$2,457
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston Set 1 Winner

0%
Yes 0.1¢No 100¢
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N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston Set 2 Winner

0%
Yes 0.1¢No 100¢
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N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston Total Sets: O/U 2.5

0%
Yes 0.1¢No 100¢
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N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston Set 1 O/U 8.5

100%
Yes 100¢No 0.1¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston Set 1 O/U 9.5

0%
Yes 0.1¢No 100¢
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N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston Set 1 O/U 10.5

0%
Yes 0.1¢No 100¢
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N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston Set 2 O/U 8.5

0%
Yes 0.1¢No 100¢
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N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston Set 2 O/U 9.5

0%
Yes 0.1¢No 100¢
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N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston Set 2 O/U 10.5

0%
Yes 0.1¢No 100¢
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N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston Match O/U 21.5

0%
Yes 0.1¢No 100¢
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N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston Match O/U 22.5

0%
Yes 0.1¢No 100¢
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N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston Match O/U 23.5

0%
Yes 0.1¢No 100¢
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N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston Set Handicap +/-1.5

0%
Yes 0.1¢No 100¢
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N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W50 Berkeley, CA: Karla Bartel vs Janae Preston Set Handicap +/-1.5

100%
Yes 100¢No 0.1¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 16

Description

This market refers to the tennis match between Karla Bartel and Janae Preston in the W50 Berkeley, CA, Qualifying, originally scheduled for September 21, 2026 at 1:00PM ET. This market will resolve to 'Karla Bartel' if Karla Bartel advances against Janae Preston. This market will resolve to 'Janae Preston' if Janae Preston advances against Karla Bartel. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.

Polymarket

This market refers to the tennis match between Karla Bartel and Janae Preston in the W50 Berkeley, CA, Qualifying, originally scheduled for September 21, 2026 at 1:00PM ET. This market will resolve to 'Karla Bartel' if Karla Bartel advances against Janae Preston. This market will resolve to 'Janae Preston' if Janae Preston advances against Karla Bartel. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.

Frequently asked questions

On Polymarket, the dashboard for the W50 Berkeley tennis match tracks the implied probability of different outcomes, the price history of the market, and the 24-hour trading volume. Currently, the volume is $3,337 and the total volume is $3,337. This allows traders to see how the market is perceiving the likelihood of each player winning and how much activity there is around the event. The dashboard provides a real-time view of market sentiment and trading activity related to this specific tennis match.

Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks often set initial lines based on statistical models and expert analysis, while this market allows anyone to trade on their beliefs, potentially leading to a more accurate assessment of probabilities. Discrepancies can arise due to differing levels of information, biases, or simply variations in opinion. It's common to see prediction markets react more quickly to new information than sportsbooks, as the price adjusts with each trade.

On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more people buy shares in a particular outcome, the price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price reflects the collective judgment of all participants, creating a dynamic and real-time assessment of the event’s potential results. This allows traders to express their views and profit if their predictions prove accurate.

This market resolves around Sep 28, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official results of the W50 Berkeley, CA tennis match between Karla Bartel and Janae Preston. The platform will verify the match results against official tournament records to determine the winning player. This ensures a transparent and objective determination of the market’s outcome, based on the actual event results.

Several factors could influence the price of this market. Any news regarding player form, injuries, or changes in playing conditions could significantly shift expectations. Unexpected results in preceding matches for either player could also impact trading activity. Furthermore, shifts in overall public sentiment or the emergence of new information about the players’ head-to-head record could all contribute to price movements. Major upsets in other related tournaments could also indirectly affect this market’s price as traders reassess probabilities.