Swedish Open: Jan Choinski vs Nikoloz Basilashvili

Platform comparison

Market context

Jan Choinski faces Nikoloz Basilashvili in the opening round of the Swedish Open at Bastad, a match originally slated for 4:00 AM ET on 13 July 2026. The market currently implies a 0% chance that Choinski advances, a stark divergence from statistical models which assign him a 56% win probability and moneyline odds of -172 [2][3]. This pricing anomaly suggests the market may be misaligned with the underlying real-world fundamentals or is reacting to unconfirmed withdrawal news not yet reflected in public previews that tip Choinski to win [1].

Historically, prediction markets with 0% implied probability on a statistically favoured player often resolve to a 50-50 split if the match is cancelled or delayed beyond seven days, rather than confirming the underdog’s victory. Comparable cases in ATP tournaments show that when odds diverge significantly from model outputs—such as Choinski’s 55.7% modelled chance versus 0% market price—traders frequently wait for official schedule confirmations before deploying conditional orders [3]. The 50-50 settlement clause for cancellations acts as a critical risk mitigant for algorithmic strategies that cannot distinguish between a player withdrawal and a match postponement.

Key catalysts include the official ATP draw confirmation and any late injury announcements from either player’s camp, which would trigger a price correction. Traders should monitor the Swedish Open’s official schedule updates and player social media for real-time dependencies, as a delayed start beyond the seven-day window automatically resets the market to 50-50 [3]. For copy-trading bots, setting a conditional order to buy YES only after the match is confirmed as played will avoid exposure to the cancellation clause, ensuring the strategy aligns with the 56% statistical edge rather than the current zero-implied probability distortion [2].

Sources: 1 · 2 · 3

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Review UK, which mirrors the Polymarket order book directly.

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'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.

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.