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
The Internazionali BNL d'Italia is a WTA 1000 event held annually in Rome. Samsonova and Potapova are both Russian nationals competing on the professional circuit; their head-to-head record and recent form will determine the match outcome. The tournament typically runs in early May, with this fixture originally scheduled for 9 May 2026. Both players have competed at this venue in prior seasons, though their seeding and draw position for 2026 remain subject to entry lists and ranking fluctuations closer to the event date.
Samsonova has historically performed well on clay courts, reaching WTA finals and maintaining a top-20 ranking in recent years. Potapova, also clay-court capable, has shown inconsistency at the highest level but possesses the technical foundation to trouble opponents on slower surfaces. The 50–50 implied probability reflects genuine uncertainty; neither player holds a decisive historical advantage that would justify a strong directional lean. Recent form in the weeks preceding the tournament—results at warm-up events and ranking points—will be the primary signal for traders.
From a regulatory standpoint, this market's accessibility depends on jurisdiction. Under German GlüStV rules, prediction markets on sports outcomes face stricter licensing requirements than financial derivatives. US CFTC oversight applies if the platform operates within US reach, though sports prediction markets occupy a grey zone distinct from commodity futures. Platforms offering no-KYC access up to $1,500 typically operate under exemptions for small-value wagers; traders should verify their platform's compliance posture before entry, as regulatory clarity remains incomplete across major markets.
Methodology
We track Internazionali BNL d'Italia: Liudmila Samsonova vs Anastasia Potapova 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
- 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.
- 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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