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
| Internazionali BNL d'Italia: Alex de Minaur vs Matteo Arnaldi | 0% YES | 100% NO |
| Internazionali BNL d'Italia: Alex de Minaur vs Matteo Arnaldi Set 1 O/U 8.5 | 100% YES | 0% NO |
| Internazionali BNL d'Italia: Alex de Minaur vs Matteo Arnaldi Set 1 Winner | 100% YES | 0% NO |
| Internazionali BNL d'Italia: Alex de Minaur vs Matteo Arnaldi Set Handicap +/-1.5 | 0% YES | 100% NO |
| Internazionali BNL d'Italia: Alex de Minaur vs Matteo Arnaldi Match O/U 21.5 | 100% YES | 0% NO |
| Internazionali BNL d'Italia: Alex de Minaur vs Matteo Arnaldi Total Sets: O/U 2.5 | 100% YES | 0% NO |
Market context
This market refers to the tennis match between Alex de Minaur and Matteo Arnaldi in the Internazionali BNL d'Italia, originally scheduled for May 8, 2026 at 5:00AM ET. This market will resolve to 'Alex de Minaur' if Alex de Minaur advances against Matteo Arnaldi. This market will resolve to 'Matteo Arnaldi' if Matteo Arnaldi advances against Alex de Minaur. 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 determi
Methodology
This page compares Internazionali BNL d'Italia: Alex de Minaur vs Matteo Arnaldi specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.
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
- 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.
- 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.
Trade Internazionali BNL d'Italia: Alex de Minaur vs Matte… on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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