Istanbul: Andrej Nedic vs David Jorda Sanchis

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Market context

Andrej Nedic and David Jorda Sanchis are scheduled to contest a tennis match in Istanbul on 23 May 2026, with the market settlement window closing on 30 May. The 0% implied probability reflects either minimal trading activity or genuine uncertainty about match completion, given the seven-day grace period for delays before the market resolves to 50-50. Settlement occurs in USDC on the btc-prediction.bet platform, with resolution contingent on a definitive winner being determined within the specified timeframe.

Historical precedent from ATP Challenger and ITF circuit matches suggests that cancellations or extended delays are uncommon for scheduled events at established venues, though weather disruptions and player withdrawals do occur at rates between 2–5% depending on the tournament tier and season. The Istanbul venue typically maintains reliable scheduling through late May, with surface conditions (clay) generally stable. Comparable matches between lower-ranked players on the Challenger circuit show completion rates above 95%, which would ordinarily support a more balanced probability distribution than currently reflected.

Traders should monitor the ATP and ITF official schedules for any pre-match announcements regarding player fitness, withdrawal, or venue changes. Recent ATP injury reports and player ranking updates through May will signal confidence levels; notably, Nedic's recent form and Sanchis's availability status are material catalysts. Any announcement of a venue shift or date change beyond the seven-day window would immediately trigger 50-50 resolution mechanics. Funding conditions on major exchanges remain secondary unless macro volatility forces tournament postponements, though USDC liquidity on btc-prediction.bet should remain stable through the settlement window.

Methodology

This page reads Istanbul: Andrej Nedic vs David Jorda Sanchis on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to PolyGram, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.