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
Market context
Jil Teichmann and Petra Marcinko were due to meet in Rabat in the WTA event, with the market covering which player advances. The crowd-implied 0% YES price looks more like a data issue than a genuine view on the match itself: public tennis markets normally move once a fixture is confirmed, and even a short-lived postponement or walkover would matter here because settlement depends on whether the match is actually completed within the window. Bookmakers had Marcinko priced as the more likely winner, while Teichmann’s side was offered with a higher payout in some related markets, which is consistent with a competitive match rather than a no-hopers line.
Comparable cases in WTA clay events show that these markets tend to hinge on late schedule changes, withdrawals, and whether a match starts before being suspended. Teichmann is the more established player, but Marcinko had the head-to-head edge in the limited prior meeting cited by tennis databases, and previews from tennis outlets pointed towards a three-setter rather than a routine result. That matters because if one player retires after the match begins, resolution can depend on the official score at stoppage; if the contest is delayed beyond seven days without a winner, the market goes 50-50.
For traders, the main catalysts are straightforward: official WTA order-of-play updates, any late injury or withdrawal news, and whether the Rabat schedule holds around the original slot. On-chain, the contract settles in USDC, so the real issue is not FX but whether the event state can be verified cleanly before expiry. Broader crypto conditions can still matter at the margin via venue liquidity, but the direct driver is the match status itself rather than BTC or ETH direction.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
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.
- 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.
- 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.
- 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.
Trade GP SAR La Princesse Lalla Meryem: Jil Teichmann vs P… on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →