TOTAL VOLUME:

$134.2b

24H VOL:

$126,590,312

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,439,516,703

404,175

Markets across

30,277

events

MATCHED EVENTS:

2,685

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Guadalajara Open Akron: Elvina Kalieva vs Kayla Day
polymarket
kalshi

What is the result of Elvina Kalieva vs Kayla Day?

Volume:
$623,750

Completed Match

 - Polymarket

Completed Match - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 14, 2026

Closed: Sep 14, 5:24 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¢
0.1¢
N/A
$1,519
N/A
N/A
N/A
Settled
Yes
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Match O/U 22.5

100%
56%
Yes 100¢No 0¢
0.1¢
N/A
$256
N/A
N/A
N/A
Settled
Yes
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Set Handicap +/-1.5

100%
59%
Yes 100¢No 0¢
0.1¢
N/A
$118
N/A
N/A
N/A
Settled
Yes
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Set 1 O/U 8.5

100%
27%
Yes 100¢No 0¢
0.1¢
N/A
$73
N/A
N/A
N/A
Settled
Yes
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Match O/U 21.5

100%
50%
Yes 100¢No 0¢
0.1¢
N/A
$21
N/A
N/A
N/A
Settled
Yes
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day

0%
38%
Yes 0¢No 100¢
—
N/A
$527,339
N/A
N/A
N/A
Settled
Yes
kalshi

Both Teams To Score

0%
54%
Yes 0¢No 100¢
100¢
N/A
$87,220
N/A
N/A
$57,813
Settled
No
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Set 1 Winner

0%
Yes 0¢No 100¢
—
N/A
$2,957
N/A
N/A
N/A
Settled
Yes
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Set Handicap +/-1.5

0%
21%
Yes 0¢No 100¢
—
N/A
$2,515
N/A
N/A
N/A
Settled
Yes
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Game Spread +/-3.5

0%
47%
Yes 0¢No 100¢
—
N/A
$1,050
N/A
N/A
N/A
Settled
Yes
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Set 2 Winner

0%
45%
Yes 0¢No 100¢
—
N/A
$566
N/A
N/A
N/A
Settled
Yes
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Total Sets: O/U 2.5

0%
37%
Yes 0¢No 100¢
—
N/A
$116
N/A
N/A
N/A
Settled
Yes
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Set 1 O/U 9.5

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

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Set 1 O/U 10.5

100%
10%
Yes 100¢No 0¢
1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Set 2 O/U 8.5

100%
1%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Set 2 O/U 9.5

100%
1%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Set 2 O/U 10.5

0%
99%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Guadalajara Open Akron: Elvina Kalieva vs Kayla Day Match O/U 23.5

0%
48%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 18

Intro

This market tracks whether more or less than 10.5 games will be played in the second set of the Elvina Kalieva versus Kayla Day match at the Guadalajara Open Akron. Currently, the consensus probability favors over 10.5 games at 100.0%. This forecast is an aggregation of views from Polymarket and Kalshi, and will resolve based on official results reported at https://www.wtatennis.com/scores. Keep an eye on the match progressing beyond the first few games on September 20, 2026, as that will indicate whether the set is likely to reach the threshold.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Polymarket resolves based on player advancement, while Kalshi requires a fully completed match.Hero tip: Consider Polymarket if you believe either player has a reasonable chance of winning via default or retirement. Favor Kalshi if you expect a fully played match.

Critical divergence points:

  • Polymarket: Resolves to the player who advances, regardless of how the match ends (completion, retirement, default, disqualification). Key Quote: "This market will resolve to 'Elvina Kalieva' if Elvina Kalieva advances against Kayla Day."
  • Kalshi: Resolves to 'Yes' only if the match is completed through normal play. Resolves to 'No' if the match is not completed for any reason, including forfeit or retirement. Key Quote: "This market will resolve to "Yes" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play."
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 refers to the tennis match between Elvina Kalieva and Kayla Day in the Guadalajara Open Akron, originally scheduled for September 13, 2026 at 12:00PM ET. This market will resolve to 'Elvina Kalieva' if Elvina Kalieva advances against Kayla Day. This market will resolve to 'Kayla Day' if Kayla Day advances against Elvina Kalieva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 27, 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.

Kalshi

If Guadalajara and Pumas UNAM both score a goal in the Guadalajara vs Pumas UNAM Liga MX match originally scheduled for Sep 13, 2026 after 90 minutes plus stoppage time (does not include extra time or penalties), then the market resolves to Yes.

Frequently asked questions

Prediction market odds, like those found on Polymarket and Kalshi, often reflect the collective wisdom of a diverse crowd, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set odds based on their own models and risk management, while this market is driven by traders directly expressing their beliefs. This can lead to discrepancies, especially when public sentiment diverges from expert opinion. It's common to see prediction markets incorporate information and adjust faster to breaking news or shifts in perceived probabilities than sportsbooks, offering a dynamic comparison.

Prices on Polymarket and Kalshi can differ due to several factors. 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 has its own user base, trading rules, and liquidity, which can influence price discovery. Differences in the types of traders participating – for example, more sophisticated or casual bettors on each – also contribute to price variations. Furthermore, the specific mechanisms for trading and order execution on each platform can lead to temporary imbalances. These differences aren't necessarily contradictions, but rather reflect the independent price discovery processes happening simultaneously on each venue.

Several signals could significantly impact this market. Any news regarding player injuries, changes in playing conditions, or updated match schedules would likely cause price movement. Unexpected announcements about player form or strategy could also influence trader behavior. Furthermore, shifts in overall betting sentiment, potentially triggered by large trades on either Polymarket or Kalshi, could create momentum. Finally, any developments that affect public perception of the players' chances of winning will likely be reflected in the market price.