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
| Mallorca Championships: Grigor Dimitrov vs Alejandro Davidovich Fokina | 0% Grigor Dimitrov | 100% Alejandro Davidovich Fokina |
| Mallorca Championships: Grigor Dimitrov vs Alejandro Davidovich Fokina Set 2 O/U 8.5 | 100% Over | 0% Under |
| Mallorca Championships: Grigor Dimitrov vs Alejandro Davidovich Fokina Match O/U 21.5 | 0% Over | 100% Under |
| Completed Match | 100% YES | 0% NO |
| Mallorca Championships: Grigor Dimitrov vs Alejandro Davidovich Fokina Set 1 Winner | 0% Dimitrov | 100% Fokina |
| Mallorca Championships: Grigor Dimitrov vs Alejandro Davidovich Fokina Total Sets: O/U 2.5 | 0% Over 2.5 | 100% Under 2.5 |
Market context
The underlying event is a quarter-final tennis match on grass between Grigor Dimitrov and Alejandro Davidovich Fokina at the Mallorca Championships, scheduled for Wednesday, 25 June 2026. This is the first time the pair have met on grass, despite Davidovich Fokina holding a 2–0 head-to-head lead on clay. The current crowd-implied probability of 0% for Dimitrov advancing suggests the market heavily favours the Spaniard, likely due to his higher ranking (25th) and recent momentum, though Dimitrov’s 56 grass wins offer a counter-narrative.
Historically, similar mismatches in ranking on unfamiliar surfaces have produced volatile outcomes; for instance, lower-ranked players with strong grass records often overturn odds in early-round Mallorca matches. However, Davidovich Fokina’s 2023 loss on Mallorca grass remains a cautionary note, even as he dropped just eight points on serve in his latest 87-minute victory [1]. Platforms diverge sharply here: Polymarket displays decimal odds (e.g., 7.00 for Dimitrov [7]), while Kalshi and Betfair emphasise implied probability and require KYC, whereas Smarkets offers lower fees but no native probability view.
Traders should monitor official ATP draw confirmations and any weather-related delays, as the settlement window ends 2026-07-02, with a 7-day delay clause triggering a 50–50 resolution. Recent ATP coverage confirms both players booked quarter-final spots [2], but no official announcement has yet confirmed the match start time or surface conditions. Fee structures and KYC reach remain critical differentiators: Kalshi’s strict identity verification contrasts with Polymarket’s anonymity, while Betfair’s liquidity may better reflect true odds than thinner markets on smaller platforms.
Methodology
We read Mallorca Championships: Grigor Dimitrov vs Alejandro Davidovich Fokina from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
FAQ
- 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.
- 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.
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