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: Hynek Barton vs David Jorda Sanchis | 0% YES | 100% NO |
| Completed Match | 100% YES | 0% NO |
| Istanbul: Hynek Barton vs David Jorda Sanchis Set 1 Winner | 0% YES | 100% NO |
| Istanbul: Hynek Barton vs David Jorda Sanchis Match O/U 21.5 | 100% YES | 0% NO |
| Istanbul: Hynek Barton vs David Jorda Sanchis Set 1 O/U 9.5 | 0% YES | 100% NO |
| Istanbul: Hynek Barton vs David Jorda Sanchis Match O/U 22.5 | 100% YES | 0% NO |
Market context
This market refers to the tennis match between Hynek Barton and David Jorda Sanchis in the Istanbul, originally scheduled for May 22, 2026 at 8:30AM ET. This market will resolve to 'Hynek Barton' if Hynek Barton advances against David Jorda Sanchis. This market will resolve to 'David Jorda Sanchis' if David Jorda Sanchis advances against Hynek Barton. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, t
Methodology
This page compares Istanbul: Hynek Barton vs David Jorda Sanchis specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). PolyGram routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.
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'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.
- 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.
- 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.
Trade Istanbul: Hynek Barton vs David Jorda Sanchis on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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