Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
| Istanbul: Andrej Nedic vs David Jorda Sanchis | 0% YES | 100% NO |
| Completed Match | 100% YES | 1% NO |
| Istanbul: Andrej Nedic vs David Jorda Sanchis Total Sets: O/U 2.5 | 0% YES | 100% NO |
| Istanbul: Andrej Nedic vs David Jorda Sanchis Match O/U 21.5 | 0% YES | 100% NO |
| Istanbul: Andrej Nedic vs David Jorda Sanchis Set 1 O/U 8.5 | 100% YES | 0% NO |
| Istanbul: Andrej Nedic vs David Jorda Sanchis Set 1 Winner | 0% YES | 100% NO |
Market context
Andrej Nedic and David Jorda Sanchis are scheduled to meet in a professional tennis match in Istanbul on 23 May 2026. The contest forms part of the ATP or Challenger circuit calendar for that week. Resolution hinges on match completion by 30 May 2026; any cancellation, postponement beyond seven days, or unfinished play defaults to a 50-50 split. The current market probability of 0% for Nedic reflects either extreme confidence in Jorda Sanchis or illiquidity in early trading.
Historical ATP Challenger and lower-tier professional matches show that probability extremes often persist until closer to event date, particularly when both players lack recent high-profile head-to-head records or when one competitor has substantially higher ranking. Comparable Istanbul tournaments (the ATP 250 and Challenger events held there) have seen late-stage shifts in implied probability once seeding confirmations and injury updates surface. Early 0% readings typically indicate sparse initial order flow rather than settled market consensus.
Traders should monitor official ATP or Challenger draw publications, which typically release 7–10 days before the tournament. Court assignments, weather forecasts for Istanbul in late May, and any withdrawal announcements from either player will shift pricing materially. Recent injury reports or ranking changes affecting either competitor's tournament participation should be tracked through ATP official channels and sports news outlets. The settlement window's seven-day grace period means matches delayed slightly due to weather or scheduling conflicts will not trigger the 50-50 default, reducing one source of tail risk.
Methodology
We track Istanbul: Andrej Nedic vs David Jorda Sanchis on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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?
- 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.
- 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 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
Trade Istanbul: Andrej Nedic vs David Jorda Sanchis on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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