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Japan Open Tennis Championships: Arthur Fils vs Frances Tiafoe odds, Oct 2: Kalshi vs Polymarket

Arthur Fils 71% on Kalshi, 71% on Polymarket. Both exchanges' prices for every outcome of Japan Open Tennis Championships: Arthur Fils vs Frances Tiafoe, Oct 2, $25k traded in 24 hours, updated every 45 seconds.

Fri, Oct 2, 2026, 4:30 AM ET · ATP tennis matches · $25k traded in 24h across both venues

Arthur Fils: Kalshi $0.71 vs Polymarket $0.71, $0.00

Mid prices, in dollars on a contract that pays $1 if it happens: $0.71 is a 71% chance. The gap is Kalshi minus Polymarket.

Two separate exchanges, two accounts. Links may carry a referral code, which never changes what is shown. Disclosures.

-4.03% after fees
Buy Arthur Fils @ Polymarket $0.71, Frances Tiafoe @ Kalshi $0.30

All outcomes

OutcomeKalshi bid / askPolymarket bid / askGap, + = Kalshi higher
Arthur Fils$0.70 / $0.71$0.70 / $0.71$0.00
Frances Tiafoe$0.29 / $0.30$0.29 / $0.30$0.00

Price history, last 3 days

10 snapshots · teal Kalshi · violet Polymarket

How this is matched

Games are matched across the two exchanges by league, team codes and date. Polymarket prices come from its live order book, Kalshi from its public API. Refreshed every 45 seconds.

What this is not

Read-only. Nothing here places or routes orders and nothing is advice. Fees, slippage and the time it takes to move money between venues are not in these numbers.

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