Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket UK → |
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 UK.
Active sub-markets
Market context
Polymarket’s contract on Elina Svitolina versus Alexandra Eala is pricing a USDC- settled outcome on Polygon at **0% YES** today, which means the market is currently assigning no chance to Svitolina advancing under the contract rules. The key distinction for users is that this is not a pure opinion on the tennis itself: the conditional token resolves from the match result, with a fallback **50-50** only if the match is not played, is tied, or is delayed beyond seven days without a winner. [2][7]
The live tennis context is that this is the Berlin quarter-final at the Grass Court Championships, with the scheduled start listed for 19 June 2026 at 15:30 UTC, and match pages describe Svitolina as the favourite while noting Eala’s strong recent run. That combination matters for market reading: a 0% spot can still reflect stale order-book depth, a late schedule change, or a view that the relevant catalyst is whether the match gets underway cleanly rather than an outright win-price reassessment. [1][3][7]
Historically, markets like this are driven less by general form than by last-minute dependencies: official WTA scheduling, on-court order, withdrawals, weather interruptions on grass, and any update that forces the event outside the settlement window. Eala’s progression into a quarter-final has already been highlighted in recent tournament coverage and social media from the WTA, which is the sort of fresh match-specific signal traders watch before the first ball is struck. [3][8][9]
Methodology
We track Grass Court Championships: Elina Svitolina vs Alexandra Eala 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
- 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 does it cost to trade on Polymarket UK?
- Zero. Polymarket UK 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, Polymarket UK 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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