Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC Prediction → |
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 BTC Prediction.
Active sub-markets
| Lexus Eastbourne Open, Qualification: Emiliana Arango vs Alycia Parks Set 2 O/U 8.5 | 100% Over | 0% Under |
| Lexus Eastbourne Open, Qualification: Emiliana Arango vs Alycia Parks Set 2 O/U 9.5 | 0% Over | 100% Under |
| Lexus Eastbourne Open, Qualification: Emiliana Arango vs Alycia Parks Set 2 O/U 10.5 | 0% Over | 100% Under |
| Lexus Eastbourne Open, Qualification: Emiliana Arango vs Alycia Parks Set 2 Winner | 100% Arango | 0% Parks |
| Lexus Eastbourne Open, Qualification: Emiliana Arango vs Alycia Parks | 100% Emiliana Arango | 0% Alycia Parks |
| Completed Match | 100% YES | 0% NO |
Market context
Emiliana Arango is scheduled to meet Alycia Parks in Eastbourne qualifying, with live scoreboards still listing the pair for a first-round match on 20 June and the scheduled time around 8:30 am local on the main tournament schedule. The market’s 100% YES pricing points to a near-certainty that the listed bout will be treated as a completed, winnable fixture rather than a cancellation or unresolved postponement, so the key contract risk is not who starts favourite but whether the match is actually played to a decisive result. [5][8][3]
The historical frame is straightforward: these players have already met once, and Arango beat Parks 6-2, 6-3 in Austin in February 2024, which gives traders at least one comparable hard-court reference for the matchup. That head-to-head does not settle Eastbourne on grass, but it does show the pairing has been seen in a completed WTA match before, which matters because this market resolves to 50-50 if the contest is cancelled, tied, or left without a winner beyond the settlement window. [2][3]
What to watch now is the tournament desk, not broad market flow: any order-of-play changes, withdrawals, weather delays, or walkover notices are the main triggers that can move this contract away from a normal resolution. Kalshi’s rule set also makes clear that settlement depends on WTA verification and the match being played rather than merely scheduled, so a late scratch or reschedule is the core on-chain event risk for USDC holders; by contrast, BTC and ETH price action is only indirectly relevant here unless it is moving risk appetite across prediction markets more broadly. [3]
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
- Is this market available outside the US?
- BTC Prediction 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 does it cost to trade on BTC Prediction?
- Zero. BTC Prediction 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, BTC Prediction triggers a quick verification flow that finishes in minutes.
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