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Live prediction market odds for Naomi Osaka vs. Sara Bejlek. Compare prices across Kalshi and Novig and Polymarket and ProphetX.

Kalshi

Kalshi

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Kalshi / Novig / Polymarket / ProphetX

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Naomi Osaka vs. Sara Bejlek

WTA·2026-10-04

Best price · tap to trade

Naomi Osaka74¢1.35xNovigSara Bejlek27¢3.70xProphetX
Learn more:How to Read Prediction Market PricesCompare Fees Before You TradeNew to Polymarket?

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Final odds

About This Market

Traders give Naomi Osaka about a 73.9% chance. Sara Bejlek follows at 26.7%. Compare prices from Kalshi, Novig, Polymarket, and ProphetX. The largest cross-platform price difference is 1.5 percentage points.

Traders give Naomi Osaka about a 73.9% chance. Sara Bejlek follows at 26.7%. Compare prices from Kalshi, Novig, Polymarket, and ProphetX. The largest cross-platform price difference is 1.5 percentage points.

Polymarket and Kalshi are tracking the match between Naomi Osaka and Sara Bejlek scheduled for October 4, 2026. The market resolves based on the outcome of the match, with odds fluctuating based on player performance and pre-match conditions leading up to the event.

Price History

Multi-Platform Probabilities
Loading 30D data…

Live Markets

4 platforms

Moneyline

OutcomeConsensus
Kalshi
Novig
Polymarket
ProphetX
Best price
NO
Naomi Osaka
74%
Kalshi75¢
Novig74¢
Polymarket74¢
ProphetX74¢
Novig1.35x74¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
74.5%74¢75¢25¢26¢
NovigNovig
74.0%73¢74¢26¢28¢
PolymarketPolymarket
73.0%73¢74¢26¢27¢
ProphetXProphetX
74.0%73¢74¢26¢27¢
SB
Sara Bejlek
27%
Kalshi27¢
Novig28¢
Polymarket27¢
ProphetX27¢
ProphetX3.75x27¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
26.5%26¢27¢73¢74¢
NovigNovig
27.5%26¢28¢73¢74¢
PolymarketPolymarket
26.0%26¢27¢73¢74¢
ProphetXProphetX
26.7%26¢27¢73¢74¢
KalshiKalshiNovigNovigPolymarketPolymarketProphetXProphetX

Smart Trade Router

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¢

Resolution Oracles

KalshiKalshi
Kalshi Rules
PolymarketPolymarket
UMA Optimistic OracleConsensus of Sources
ProphetXProphetX
ProphetX Rules
Read Full Market Rulebooks
Stats
Spread1.5%
Platforms4
Candidates2
Leader

Naomi Osaka

73.9% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Naomi Osaka vs. Sara Bejlek

Official settlement criteria, resolution sources, and edge cases across Kalshi and Novig and Polymarket and ProphetX.

KalshiKalshi
Primary Rule

If Sara Bejlek wins the Bejlek vs Osaka professional tennis match in the 2026 WTA Beijing Round Of 32 after a ball has been played, then the market resolves to Yes.

Edge Cases

The following market refers to the Bejlek vs Osaka professional tennis match in the 2026 WTA Beijing Round Of 32 after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks). Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.

Resolution Oracles
Kalshi Rules
NovigNovig
Primary Rule

Sara Bejlek in Naomi Osaka @ Sara Bejlek Round of 32 (WTA); settled by Novig.

PolymarketPolymarket
Primary Rule

This market refers to the tennis match between Sara Bejlek and Naomi Osaka in the China Open, originally scheduled for October 3, 2026 at 11:00PM ET. This market will resolve to 'Sara Bejlek' if Sara Bejlek advances against Naomi Osaka. This market will resolve to 'Naomi Osaka' if Naomi Osaka advances against Sara Bejlek. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 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.

Resolution Oracles
UMA Optimistic OracleConsensus of Sources
ProphetXProphetX
Primary Rule

Sports moneyline - resolves based on official game outcome per ProphetX Prediction Rules

Resolution Oracles
ProphetX Rules

Frequently Asked Questions

What is the date of the match between Naomi Osaka and Sara Bejlek?

The match is scheduled for October 4, 2026. This date is crucial for determining the outcome of the prediction market.

How do odds change leading up to the match?

Odds fluctuate based on player performance, injuries, and other relevant news. Market participants react to these developments as the match date approaches.

What determines the resolution of this market?

The market resolves based on the winner of the match between Naomi Osaka and Sara Bejlek. The official result will confirm the outcome for market participants.

What does the Naomi Osaka vs. Sara Bejlek prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Novig, Polymarket, ProphetX in one place. Each price reflects the market’s implied probability, not a guaranteed result.

What are the latest Naomi Osaka vs. Sara Bejlek odds?

The latest available prices are Naomi Osaka: 74.5¢ on Kalshi, 73.0¢ on Polymarket, 74.0¢ on ProphetX, 74.0¢ on Novig; Sara Bejlek: 26.5¢ on Kalshi, 26.0¢ on Polymarket, 26.7¢ on ProphetX, 27.5¢ on Novig. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity.