Swedish Open: Nikoloz Basilashvili vs Thiago Agustin Tirante

Platform comparison

Market context

Thiago Agustin Tirante is the projected favourite to advance against Nikoloz Basilashvili in the Round 2 clash at the Swedish Open, with modelling sites assigning him a 65% to 70% win probability [2][3]. This starkly contrasts with the current Polymarket price, where the contract for Basilashvili advancing sits at a mere 7% YES, implying the crowd views the Georgian as a long shot. On Polygon, traders are locking in USDC against conditional tokens that resolve solely on the match outcome, creating a significant divergence between algorithmic projections and on-chain sentiment.

Historical precedents in ATP clay-court events often show that crowd-implied probabilities below 10% for a player can signal either a genuine mismatch or a market slow to adjust to late-form data. In similar low-probability scenarios at European summer tournaments, prices have occasionally corrected sharply when injury news or surface-specific form updates emerge, though a 7% valuation typically reflects a consensus that the underdog lacks the necessary tools to overcome the favourite on this surface.

Traders should monitor the official Nordea Open schedule for any delay announcements, as the settlement window closes on 22 July 2026, and any postponement beyond seven days triggers a 50-50 resolution [1]. Key catalysts include Basilashvili’s recent physical condition and Tirante’s performance in preceding rounds, with Dimers’ updated simulation reinforcing Tirante’s dominance [2]. Any withdrawal or medical timeout before the 4:00 AM ET start would instantly invalidate the current pricing structure.

Sources: 1 · 2 · 3

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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.