Granby: Daniil Glinka vs Philip Sekulic

Platform comparison

Market context

The Daniil Glinka versus Philip Sekulic match at the Granby Challenger, originally set for 15 July 2026, has already concluded with a 1–1 set draw, yet the prediction market remains open with a 0% implied probability for Glinka advancing. This divergence is stark: major sportsbooks like Sportsbet listed Glinka at 1.52 odds pre-match, while Tennis Tonic’s analyst consensus picked him to win in three sets, contrasting sharply with the market’s current pricing that effectively treats his advancement as impossible despite the match result.

Historically, prediction markets lagging behind settled match outcomes often stem from settlement ambiguities or delayed resolution protocols, particularly when matches end in draws or partial completions. In similar ATP Challenger cases, markets resolving to 50–50 after incomplete matches have seen implied probabilities swing wildly once official results were confirmed, creating arbitrage opportunities between live sportsbook lines and static prediction contracts. The Granby market’s 0% pricing suggests either a technical freeze pending official confirmation of who advanced or a misalignment with the actual match outcome.

Traders should monitor the official ATP Granby Challenger results page and tournament committee announcements for confirmation of which player advanced from the 1–1 set tie, as this determines the market’s settlement. A recent update on Livescore Tennis365 confirms the match date and H2H status, but no official advancement result is yet published, leaving the catalyst for resolution dependent on the tournament’s final decision within the seven-day delay window. Until that confirmation arrives, the market’s pricing remains disconnected from the underlying event reality.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Granby: Daniil Glinka vs Philip Sekulic across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

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 Best Prediction Markets. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.