Swedish Open: Andrey Rublev vs Luciano Darderi

Platform comparison

Market context

Andrey Rublev and Luciano Darderi met in the final of the 2026 Swedish Open in Båstad, with Rublev defeating the defending champion Darderi 6–4, 6–3 to claim the men’s singles title [1]. The match, originally scheduled for 19 July 2026, was confirmed as completed on that date, with Rublev winning 2–0 in sets [2]. This outcome contradicts the current prediction market’s 100% YES crowd-implied probability that Rublev advances, as the event has already concluded with a definitive result.

Historically, prediction markets that retain open settlement windows after a match’s completion often reflect delayed data ingestion or unresolved administrative flags rather than genuine uncertainty. Comparable cases in tennis prediction markets show that once a result is officially recorded by the ATP and major sportsbooks, implied probabilities should converge to 100% for the winner or 0% for the loser, not remain at a binary 50–50 contingency. The divergence here—between the settled real-world result and the market’s unresolved status—suggests a technical lag rather than a shift in competitive odds.

Traders should monitor official ATP match records and sportsbook settlement confirmations for the Swedish Open final, as these are the primary catalysts for market resolution. Recent previews from The Stats Zone and Dimers both identified Rublev as the likely winner, with Dimers assigning him a 60% win probability pre-match [4][5]. With the match now confirmed as finished and Rublev victorious, the market’s continued 100% YES pricing is factually aligned with the outcome, though the settlement window extending to July 2026 appears unnecessarily prolonged given the event’s completion.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Swedish Open: Andrey Rublev vs Luciano Darderi across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.

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

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

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.