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
Market context
Polymarket is pricing the Sasikumar Mukund v Alastair Gray contract at 100% YES, so the on-chain conditional tokens are already effectively assuming a Mukund advance for USDC holders on Polygon. In practical terms, that leaves very little spread for traders unless the market reopens to reflect a late court reversal, retirement, or a settlement outcome outside the normal finish. The listed settlement window runs to 2026-05-28T04:30:00Z, which matters because any postponement beyond seven days from the scheduled start would shift the market to a 50-50 resolution under the contract rules.
The current read is supported by the match record from Bengaluru itself: ATP results show Mukund Sasikumar beat Alastair Gray 6-4, 7-6(1) in the same event on Tuesday, 19 May, before this quarter-final pairing was set. That makes the 100% price easier to understand than a simple rank-based line, since the market is not just asking who is better on paper but whether Gray can reverse a recent head-to-head loss on the same courts. With no prior H2H in the meeting cited by preview coverage, the latest completed encounter is the cleanest comparable case.
The main catalysts are mundane but decisive: official order-of-play updates, any change to centre-court scheduling, and live retirement or walkover alerts from ATP or score providers. Tennistonic’s 21 May preview noted the match was due on Centre Court at 12:00 pm local time, while Sofascore and Flashscore both listed the fixture for 21 May, which suggests the key risk is less about uncertainty over the pairing than about whether play is completed normally. For a contract tied to “advances”, any in-match retirement or default still matters, because the settlement follows the player who progresses rather than just the one who was leading when play stopped.
Methodology
We track Bengaluru 3: Sasikumar Mukund 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.
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- 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.
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