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
Petr Bar Biryukov and Alastair Gray are listed for the Bengaluru 3 Challenger, but the market currently pricing a 100% YES outcome suggests the match has already been recorded as a completed head-to-head rather than an open contest. ATP’s score archive for Bengaluru shows Gray beating Bar Biryukov 6-7(5), 6-4, 7-6(3) in the round of 32, a tight three-setter that underlines how little separated the pair on the day. When a market is this far towards one side, the main comparison is not match quality but whether the official competition record matches the market’s settlement rules.
For traders, the key catalyst is the event status in the ATP and tournament feeds: whether the fixture is confirmed as played, whether any scheduling change pushed it outside the seven-day window, and whether the completed result is the one that will be used for settlement. Live-score sites such as Flashscore, LiveScore and Sofascore were all tracking the fixture, while ATP’s archive is the cleanest reference for the final scoreline. If there were any administrative issues — walkover, retirement before completion, or a data mismatch between live and archive feeds — those would matter more than pre-match form or any late coaching or injury news.
Methodology
We track Bengaluru 3: Petr Bar Biryukov vs Alastair Gray 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.
- 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.
- 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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