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 have already played a completed match in Bengaluru, with Gray winning 6-7(5) 6-4 7-6(3) in the Round of 32 after a tight, three-set contest. That makes the market’s current 100% yes price straightforwardly aligned with the result on record: the consensus is that Gray advanced, and there is no live uncertainty left in the underlying match outcome. In handicapper terms, there is no meaningful favourite/underdog split left to price; the only real value discussion is whether the settlement mechanics could still force a 50-50 outcome if the event were later ruled void under the market rules.
Comparable cases in Challenger tennis often hinge less on on-court performance than on whether the match is officially completed and accepted by the tournament and data feeds. Here, the ATP stat centre, Flashscore and LiveScore all point to the same finished result, which is the key reason the market sits at an effective lock. For contrarian traders, the only plausible angle is operational rather than sporting: any discrepancy in the official record, scheduling classification, or settlement trigger would matter more than form, altitude, or head-to-head history.
The main catalysts to watch are tournament administration and the final status of the draw feed, especially if there are delayed updates or a correction to the match round or date. The ATP archive lists Gray as the winner, while Flashscore and LiveScore also reflect the completed result, so any late change would need to come from an official correction rather than a sporting reversal. The settlement window runs to 29 May 2026, but unless the event is reclassified, cancelled, or otherwise falls under the market’s no-result rules, Gray’s advance should remain the settled outcome.
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
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 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 Bengaluru 3: Petr Bar Biryukov vs Alastair Gray on PolyGram
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