Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Scam? Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Scam? → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Scam? → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Scam? → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Scam? → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Scam? → |
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 Polymarket Scam?.
Active sub-markets
| Lexus Eastbourne Open, Qualification: Ajla Tomljanovic vs Veronika Erjavec Set Handicap +/-1.5 | 100% Tomljanovic | 0% Erjavec |
| Lexus Eastbourne Open, Qualification: Ajla Tomljanovic vs Veronika Erjavec Set Handicap +/-1.5 | 0% Erjavec | 100% Tomljanovic |
| Lexus Eastbourne Open, Qualification: Ajla Tomljanovic vs Veronika Erjavec Set 1 Winner | 100% Tomljanovic | 0% Erjavec |
| Lexus Eastbourne Open, Qualification: Ajla Tomljanovic vs Veronika Erjavec Set 2 Winner | 100% Tomljanovic | 0% Erjavec |
| Lexus Eastbourne Open, Qualification: Ajla Tomljanovic vs Veronika Erjavec Set 1 O/U 8.5 | 0% Over | 100% Under |
| Lexus Eastbourne Open, Qualification: Ajla Tomljanovic vs Veronika Erjavec Set 2 O/U 9.5 | 100% Over | 0% Under |
Market context
Polymarket is pricing this match at **100% YES** on the contract for Ajla Tomljanovic to advance against Veronika Erjavec, which means the market is treating the outcome as fully locked in on-chain in **USDC** terms via **Polygon** conditional tokens. The underlying event is the Lexus Eastbourne Open qualifying match between Tomljanovic and Erjavec, listed for 21 June 2026, with live-score services showing it as a scheduled Eastbourne qualifier on grass at Court 1.[3][4][5]
That sort of near-certain print usually reflects either a completed result, a widely accepted default on the exchange, or very stale liquidity rather than a genuine open question. On comparable tennis head-to-head markets, prices can jump to the extreme once one player is reported through, once a retirement is confirmed, or when data feeds lag behind an official scoreboard; the key point for Polymarket users is that resolution follows the contract’s event logic, not the apparent market narrative. If the match is never completed, is abandoned, or is delayed beyond the seven-day settlement rule without a winner, the market can still resolve to 50-50 under the stated conditions, so a “certain” price does not remove contract-specific settlement risk.
The main catalysts to watch are official tournament updates, WTA score reporting, and any change to the match status from scheduled to live, suspended, retired or walkover. Independent tennis listings currently agree the fixture is on the Eastbourne qualifying slate, while one prediction site is already leaning to an Erjavec win, showing there is still model disagreement outside Polymarket even if the on-chain price is maxed out.[1][2][4][8]
Methodology
We track Lexus Eastbourne Open, Qualification: Ajla Tomljanovic vs Veronika Erjavec 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
- Where can I trade this market with the lowest fees?
- On Polymarket Scam?, 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?
- Polymarket Scam? 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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