Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
100% | 0% | 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
| Bengaluru 3: Petr Bar Biryukov vs Alastair Gray | 100% YES | 0% NO |
| Completed Match | 100% YES | 0% NO |
| Bengaluru 3: Petr Bar Biryukov vs Alastair Gray Total Sets: O/U 2.5 | 100% YES | 0% NO |
| Bengaluru 3: Petr Bar Biryukov vs Alastair Gray Set 1 Winner | 0% YES | 100% NO |
| Bengaluru 3: Petr Bar Biryukov vs Alastair Gray Set 1 O/U 8.5 | 100% YES | 0% NO |
| Bengaluru 3: Petr Bar Biryukov vs Alastair Gray Match O/U 21.5 | 100% YES | 0% NO |
Market context
This market refers to the tennis match between Petr Bar Biryukov and Alastair Gray in the Bengaluru 3, originally scheduled for May 22, 2026 at 1:30AM ET. This market will resolve to 'Petr Bar Biryukov' if Petr Bar Biryukov advances against Alastair Gray. This market will resolve to 'Alastair Gray' if Alastair Gray advances against Petr Bar Biryukov. 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, th
Methodology
This page reviews Bengaluru 3: Petr Bar Biryukov vs Alastair Gray across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
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
- 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 Bengaluru 3: Petr Bar Biryukov vs Alastair Gray on PolyGram
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