Swedish Open: Alejandro Tabilo vs Thiago Agustin Tirante

Platform comparison

Market context

Alejandro Tabilo faces Thiago Agustin Tirante in the Swedish Open quarter-final today, with the on-chain contract pricing Tabilo’s advancement at exactly 50% YES. This equilibrium sits slightly below Dimers’ and Stats Insider’s modelled probabilities of 56% for the Chilean, suggesting the market is hedging against Tirante’s recent set-winning capability rather than purely reflecting raw win odds [3][4].

Historical precedents in ATP quarter-finals show that when predictive models diverge from crowd-implied probabilities by six percentage points, the outcome often hinges on first-set volatility rather than overall match dominance. In comparable 2024 and 2025 Nordea Open matches, contracts resolving at 50% frequently correlated with “both players to win a set” outcomes, where the first-set winner dictated the final result despite the pre-match odds favouring one player [2][4].

Traders should monitor the live first-set completion status, as the market resolves to 50-50 if the first set is not completed for any reason [1]. Key catalysts include any weather delays at Båstad and the official start time confirmation, currently scheduled for 9:30 AM ET; any delay beyond seven days without a winner also triggers the 50-50 resolution [1]. The conditional tokens on Polygon, settled in USDC, will update instantly upon set completion or match cancellation, making real-time set-score tracking essential for position management.

Sources: 1 · 2 · 3 · 4

Methodology

This page reviews Swedish Open: Alejandro Tabilo vs Thiago Agustin Tirante 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

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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'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.

Do I need to KYC for this market?

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