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Live prediction market odds for Taylor Townsend vs. Marta Kostyuk. Compare prices across Kalshi and Novig and Polymarket and ProphetX.

Browse historical results
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Claim offerLegal in USAVerified Sep 14, 2026

Kalshi / Novig / Polymarket / ProphetX

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Taylor Townsend vs. Marta Kostyuk

WTA·2026-09-16

Best price · tap to trade

Marta Kostyuk71¢1.41xProphetXTaylor Townsend29¢3.45xNovig
Learn more:How to Read Prediction Market PricesCompare Fees Before You TradeNew to Polymarket?

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Resolved Sep 29

Final odds

About This Market

Traders give Marta Kostyuk about a 66.1% chance. Taylor Townsend follows at 34.7%. Compare prices from Kalshi, Novig, Polymarket, and ProphetX. The largest cross-platform price difference is 22.0 percentage points.

Traders give Marta Kostyuk about a 66.1% chance. Taylor Townsend follows at 34.7%. Compare prices from Kalshi, Novig, Polymarket, and ProphetX. The largest cross-platform price difference is 22.0 percentage points.

Taylor Townsend vs. Marta Kostyuk: WTA Tennis match scheduled for 2026-09-16. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.

Price History

Multi-Platform Probabilities
Loading 30D data…

Live Markets

4 platforms

Moneyline

OutcomeConsensus
Kalshi
Novig
Polymarket
ProphetX
Best price
MK
Marta KostyukARB
65%
Kalshi72¢
Novig72¢
Polymarket50¢
ProphetX71¢
ProphetX1.41x71¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
71.0%70¢72¢28¢30¢
NovigNovig
71.0%70¢72¢28¢30¢
PolymarketPolymarket
49.0%48¢50¢50¢52¢
ProphetXProphetX
70.0%69¢71¢29¢31¢
TT
Taylor TownsendARB
34%
Kalshi29¢
Novig29¢
Polymarket50¢
ProphetX31¢
Novig3.51x29¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
28.0%27¢29¢71¢73¢
NovigNovig
28.0%27¢29¢71¢73¢
PolymarketPolymarket
49.0%48¢50¢50¢52¢
ProphetXProphetX
30.0%29¢31¢69¢71¢
KalshiKalshiNovigNovigPolymarketPolymarketProphetXProphetX

Best price among US-regulated venues.

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Resolution Oracles

KalshiKalshi
Kalshi Rules
PolymarketPolymarket
UMA Optimistic OracleConsensus of Sources
ProphetXProphetX
ProphetX Rules
Read Full Market Rulebooks
Stats
Spread22.0%
Platforms4
Candidates2
Leader

Marta Kostyuk

66.1% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Taylor Townsend vs. Marta Kostyuk

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

KalshiKalshi
Primary Rule

If Taylor Townsend wins the Kostyuk vs Townsend professional tennis match in the 2026 WTA Guadalajara Round Of 16 after a ball has been played, then the market resolves to Yes.

Edge Cases

The following market refers to the Kostyuk vs Townsend professional tennis match in the 2026 WTA Guadalajara Round Of 16 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

Taylor Townsend in Taylor Townsend @ Marta Kostyuk Round of 16 (WTA); settled by Novig.

Edge Cases

If the contract cannot be settled on the stated outcome, Novig settles it at fair market value (FMV) instead of refunding it.

PolymarketPolymarket
Primary Rule

This market refers to the tennis match between Marta Kostyuk and Taylor Townsend in the Guadalajara Open Akron, originally scheduled for September 16, 2026 at 12:00PM ET. This market will resolve to 'Marta Kostyuk' if Marta Kostyuk advances against Taylor Townsend. This market will resolve to 'Taylor Townsend' if Taylor Townsend advances against Marta Kostyuk. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 30, 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 does the Taylor Townsend vs. Marta Kostyuk 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 Taylor Townsend vs. Marta Kostyuk odds?

The latest available prices are Marta Kostyuk: 72.0¢ on Kalshi, 50.0¢ on Polymarket, 71.0¢ on ProphetX, 71.5¢ on Novig; Taylor Townsend: 29.0¢ on Kalshi, 50.0¢ on Polymarket, 31.2¢ on ProphetX, 28.5¢ on Novig. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity.

Why do Taylor Townsend vs. Marta Kostyuk odds vary across prediction markets?

The largest price difference shown across venues is 22.0 percentage points. Venues have different traders, liquidity and fees, so their prices can differ. A price gap alone does not establish an executable arbitrage opportunity; compare settlement rules and the actual buy and sell prices.

How do Taylor Townsend vs. Marta Kostyuk prediction market payouts work?

For example, Marta Kostyuk at 66.1¢ implies about a 66.1% chance. For a standard $1 contract, a share pays $1 if its outcome settles as correct and $0 if it settles as incorrect. A winning share bought at 40¢ earns 60¢ before fees. Check each venue’s settlement rules, fees and eligibility before trading.