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Live prediction market odds for Ignacio Buse vs. Stefanos Tsitsipas. Compare prices across Kalshi and Polymarket.

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Kalshi / Polymarket

Ignacio Buse vs. Stefanos Tsitsipas

2026-06-22

About This Market

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Ignacio Buse vs. Stefanos Tsitsipas — ATP Tennis match scheduled for 2026-06-22. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.

Stefanos Tsitsipas leads the “Ignacio Buse vs. Stefanos Tsitsipas” event at 57.0% implied probability, followed by Ignacio Buse at 44.0%. A 2.0% cross-platform spread signals an active arbitrage window.

Price History

Multi-Platform Probabilities
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Live Markets

2 platforms
ST
Stefanos Tsitsipas
57% Avg
Kalshi58¢
Polymarket57¢
PlatformImplied %Yes — Bid / AskNo — Bid / Ask
KalshiKalshi
57.5%57¢58¢42¢43¢
PolymarketPolymarket
56.0%55¢57¢43¢45¢
IB
Ignacio Buse
44% Avg
Kalshi44¢
Polymarket45¢
PlatformImplied %Yes — Bid / AskNo — Bid / Ask
KalshiKalshi
43.5%43¢44¢56¢57¢
PolymarketPolymarket
44.0%43¢45¢55¢57¢

Frequently Asked Questions

What is "Ignacio Buse vs. Stefanos Tsitsipas" and why does it matter?

Ignacio Buse vs. Stefanos Tsitsipas is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Stefanos Tsitsipas leads at 57% implied probability, making it the market favorite. Other contenders include Ignacio Buse at 44%.

What is moving the odds on "Ignacio Buse vs. Stefanos Tsitsipas"?

Stefanos Tsitsipas currently leads at 57% implied probability. Behind Stefanos Tsitsipas, Ignacio Buse at 44% are the next closest contenders. A 2.0% spread across platforms indicated moderate disagreement on the latest developments.

What are the current odds for "Ignacio Buse vs. Stefanos Tsitsipas" across platforms?

Here are the latest odds across Kalshi, Polymarket: Stefanos Tsitsipas: 58¢ on Kalshi, 56¢ on Polymarket. Ignacio Buse: 44¢ on Kalshi, 44¢ on Polymarket. The 2.0% spread shows moderate platform divergence worth monitoring for potential opportunities.

What does it mean that Stefanos Tsitsipas is at 57%?

A price of 57¢ means the market estimates a 57% probability that Stefanos Tsitsipas will be the outcome. Buying one share at 57¢ pays out $1.00 if correct — a 75% return — or $0 if wrong. This is the core mechanic of prediction markets: the price directly reflects the crowd's probability estimate.

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Resolution Oracles

KalshiKalshi
Kalshi Rules
PolymarketPolymarket
UMA Optimistic OracleConsensus of Sources
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Stats

Market Rulebook: Ignacio Buse vs. Stefanos Tsitsipas

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

KalshiKalshi
Primary Rule

If Stefanos Tsitsipas wins the Tsitsipas vs Buse professional tennis match in the 2026 ATP Mallorca Round Of 32 after a ball has been played, then the market resolves to Yes.

Edge Cases

The following market refers to the Tsitsipas vs Buse professional tennis match in the 2026 ATP Mallorca 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).

Resolution Oracles
Kalshi Rules
PolymarketPolymarket
Primary Rule

This market refers to the tennis match between Stefanos Tsitsipas and Ignacio Buse in the Mallorca Championships, originally scheduled for June 22, 2026 at 5:00AM ET. This market will resolve to 'Stefanos Tsitsipas' if Stefanos Tsitsipas advances against Ignacio Buse. This market will resolve to 'Ignacio Buse' if Ignacio Buse advances against Stefanos Tsitsipas. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 ATP Tour. A consensus of credible reporting may also be used.

Resolution Oracles
UMA Optimistic OracleConsensus of Sources
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Spread2.0%
Platforms2
Candidates2
Leader

Stefanos Tsitsipas

57.0% avg