If Mai Hontama wins the Hontama vs Boulter professional tennis match in the 2026 WTA Beijing Round Of 128 after a ball has been played, then the market resolves to Yes.

Edge Cases

The following market refers to the Hontama vs Boulter professional tennis match in the 2026 WTA Beijing Round Of 128 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

Novig

Primary Rule

Mai Hontama in Katie Boulter @ Mai Hontama Round of 128 (WTA); settled by Novig.

Polymarket

Primary Rule

This market refers to the tennis match between Mai Hontama and Katie Boulter in the China Open, originally scheduled for September 30, 2026 at 3:30AM ET. This market will resolve to 'Mai Hontama' if Mai Hontama advances against Katie Boulter. This market will resolve to 'Katie Boulter' if Katie Boulter advances against Mai Hontama. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 14, 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

Frequently Asked Questions

What does the Katie Boulter vs. Mai Hontama prediction market track?

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

What are the latest Katie Boulter vs. Mai Hontama odds?

The latest available prices are Katie Boulter: 69.0¢ on Kalshi, 69.5¢ on Polymarket, 70.0¢ on Novig; Mai Hontama: 32.5¢ on Kalshi, 30.5¢ on Polymarket, 32.5¢ on Novig. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity.

Why do Katie Boulter vs. Mai Hontama odds vary across prediction markets?

The largest price difference shown across venues is 2.0 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 Katie Boulter vs. Mai Hontama prediction market payouts work?

For example, Katie Boulter at 69.5¢ implies about a 69.5% 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.

Katie Boulter vs. Mai Hontama

Katie Boulter vs. Mai Hontama

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Frequently Asked Questions

Katie Boulter vs. Mai Hontama

Katie Boulter vs. Mai Hontama

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Who will be UFC Bantamweight champion at the end of 2026?

South Korea vs. Hong Kong

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About This Market

Price History

Live Markets

Moneyline

Smart Trade Router

Resolution Oracles

Market Rulebook: Katie Boulter vs. Mai Hontama

Frequently Asked Questions