Swedish Open: Andrey Rublev vs Luciano Darderi

Platform comparison

Market context

Andrey Rublev has already defeated Luciano Darderi 6–4, 6–3 in the final of the 2026 Swedish Open, confirming the match took place and concluded with Rublev advancing as the winner [1]. The prediction market in question, which originally scheduled the contest for 19 July 2026, now reflects a settled outcome where Rublev won decisively, making the 100% YES crowd-implied probability for Rublev advancing factually accurate [1][2].

Historically, prediction markets on completed tennis matches that resolve post-event often lock in at extremes once the result is confirmed on-chain, as conditional tokens on Polygon settle automatically when the oracle reports the final score [1][5]. Comparable cases from ATP tournaments show that when a match finishes before the settlement window closes, USDC-backed positions resolve instantly to the winner, eliminating the 50-50 cancellation clause unless the match was never played [5].

Traders should monitor the official ATP match result feed and the Polymarket oracle report for the final score confirmation, as any delay in oracle submission could temporarily stall USDC payouts despite the clear on-court result [1][3]. Recent coverage confirms Rublev and Darderi met in the Bastad final on 20 July 2026, with Rublev winning both sets, removing uncertainty about match completion or withdrawal [3][4]. With the settlement window ending 26 July 2026, the market is effectively closed for new positions, as the outcome is already determined.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Swedish Open: Andrey Rublev vs Luciano Darderi across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.