TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: May 30, 11:46 AM EST
Kalshi
This market tracks which player will win the opening set when Matteo Arnaldi faces Raphael Collignon in the 2026 French Open Men's Singles Round of 32. On Kalshi, Raphael Collignon to win set 1 is priced at 53.5%, while Matteo Arnaldi to win set 1 stands at 45.0%. Resolution will be determined by the official result from the professional tennis match scheduled for May 30, 2026. Watch for the match outcome at Roland Garros to settle this market.
Prediction market odds on Kalshi often diverge from traditional sportsbook lines because they reflect real-time trader conviction rather than bookmaker risk management. Sportsbooks adjust odds to balance liability; prediction markets aggregate distributed beliefs from many participants. For the Arnaldi vs Collignon Set 1 matchup, you may see prediction market prices lead or lag sportsbook moves depending on information flow and trader activity. Comparing the two reveals whether professional bettors and retail traders are aligned or if arbitrage opportunities exist.
On Kalshi, the Matteo Arnaldi vs Raphael Collignon Set 1 Winner market is priced as binary contracts reflecting the probability each player wins the opening set. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy or sell contracts at prices between 0 and 100 cents, with the implied probability derived from the contract price. As new information emerges—player form, court conditions, head-to-head history—the market price adjusts to reflect updated expectations. The current price represents the collective assessment of all active traders on the platform.
The Matteo Arnaldi vs Raphael Collignon Set 1 market resolves on May 30, 2026. The outcome is determined by the official result of the first set in the match between these two players. Once the set concludes and the winner is confirmed, the market settles to reflect which player won. Traders holding contracts on the winning outcome receive the full payout, while those on the losing side receive nothing. Resolution occurs shortly after the set ends and the result is officially recorded.
Several factors could shift the market price before the match begins. Recent form and ranking changes for Arnaldi or Collignon may trigger trader repositioning. Court surface, weather conditions, and venue details can favor one player's style. Injury reports or late withdrawals would dramatically reprrice the market. Head-to-head history and pre-match analysis from tennis experts may influence trader sentiment. Live match momentum during warm-up or early games could prompt last-minute trading activity. Each development provides new information that traders incorporate into their pricing decisions.