Swiss Open: Alexander Shevchenko vs Dominic Stephan Stricker

Platform comparison

Market context

Alexander Shevchenko faces Dominic Stephan Stricker in the Round of 16 at the ATP Swiss Open in Gstaad, with the match originally scheduled for 4:00 AM ET today. On Polymarket, the contract for Shevchenko to advance currently trades at a 31% implied probability, pricing him as the underdog despite some external models favouring Stricker. The market resolves to the winner of the match, with a 50-50 settlement if the event is cancelled, tied, or delayed beyond seven days without a result.

Historical pricing on similar ATP second-round contracts in Gstaad often diverges from simulation models before play begins. While Dimers’ predictive model assigns Stricker a 51% win chance and The Stats Zone tips Shevchenko to win, on-chain liquidity has consistently favoured the home favourite in recent Swiss Open editions, pushing external probabilities lower than model outputs. This 31% price reflects that crowd bias toward Stricker, mirroring past cases where conditional tokens on Polygon priced home players below their statistical win rates until live action corrected the spread.

Traders should monitor the official ATP Gstaad schedule for any weather delays or player withdrawal announcements, as these directly trigger the 50-50 settlement clause. The match is set to start today, but any postponement beyond the seven-day window voids the directional bet. Recent tournament updates confirm both players are entered for Round 2, with no injury reports filed as of this evening, keeping the current probability intact until the first serve.

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Methodology

This page reviews Swiss Open: Alexander Shevchenko vs Dominic Stephan Stricker 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 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 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.