TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
$
Two professional tennis players compete in the Round of 16 at the 2026 French Open, with this event covering the outcome of the second set regardless of which player wins it.
On Kalshi, the Frances Tiafoe vs Matteo Arnaldi Set 2 Winner market is priced as binary contracts where traders buy or sell shares representing each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The top outcome currently reflects an implied probability, with contracts trading at prices that move as new information emerges. Kalshi's order-book model allows traders to set custom bid-ask spreads, so prices can shift rapidly based on match momentum, player fatigue, or set-one results. Liquidity and volume on the contract determine how tightly prices are quoted around fair value.
The market resolves on Jun 1, 2026, after the second set of the Frances Tiafoe vs Matteo Arnaldi match concludes. Resolution is determined by the official result of Set 2 only; the overall match outcome is irrelevant. Once the set winner is confirmed by the tournament authority or official match records, the market settles and contracts pay out according to the outcome. Early resolution may occur if the match is abandoned or the set is voided under tournament rules, though standard completion of Set 2 triggers normal settlement.
Set 2 pricing will shift based on Set 1 results, player performance, and physical condition during the match. If Tiafoe dominates Set 1, odds may favor him in Set 2; conversely, a Arnaldi Set 1 win could boost his chances. Injuries, fatigue, momentum swings, and tactical adjustments between sets are key catalysts. Court conditions, weather, and crowd energy can also influence play style and confidence. Real-time trading activity reflects these observations, so watch for sudden volume spikes or price reversals as the match unfolds and new information becomes available to traders.