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
| Halle Open, Qualification: Martin Landaluce vs Marc-Andrea Huesler | 100% Martin Landaluce | 0% Marc-Andrea Huesler |
| Completed Match | 100% YES | 0% NO |
| Halle Open, Qualification: Martin Landaluce vs Marc-Andrea Huesler Set 1 Winner | 0% Landaluce | 100% Huesler |
| Halle Open, Qualification: Martin Landaluce vs Marc-Andrea Huesler Set 1 O/U 9.5 | 0% Over | 100% Under |
| Halle Open, Qualification: Martin Landaluce vs Marc-Andrea Huesler Set 1 O/U 10.5 | 0% Over | 100% Under |
| Halle Open, Qualification: Martin Landaluce vs Marc-Andrea Huesler Set 1 O/U 8.5 | 100% Over | 0% Under |
Market context
Martin Landaluce, the Spanish qualifier, faces Swiss veteran Marc-Andrea Huesler in the opening round of Halle Open qualifying on 13 June 2026. The match determines who advances toward the main draw of one of grass season's most prestigious tournaments. Settlement occurs by 20 June, allowing a seven-day window for completion; any cancellation, tie, or delay beyond that threshold triggers a 50-50 resolution.
The 100% implied probability reflects the rarity of qualifying matches failing to produce a winner under standard conditions. Historical data from ATP qualifying rounds shows cancellations occur in fewer than 2% of scheduled matches, typically only when weather renders grass unplayable or injury forces withdrawal before play begins. Huesler, aged 36, has competed in Halle qualifying multiple times; Landaluce, younger and ranked lower, represents the underdog narrative. Yet the market's certainty suggests traders expect the match to proceed and conclude normally rather than betting on either player's likelihood of victory.
Traders should monitor Halle's official draw confirmation and any weather alerts for Nordrhein-Westfalen in mid-June, as sudden rain can delay grass-court matches significantly. Injury reports on both players matter less for this binary than scheduling integrity. The USDC settlement mechanism on btc-prediction.bet resolves only upon confirmed match outcome; if Landaluce or Huesler withdraws after play begins, the market follows ATP's official ruling. No material macro catalyst—BTC funding rates or spot volatility—influences tennis qualifying outcomes, making this contract purely event-dependent.
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.
- 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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