Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue | 100% |
| Completed Match | 100% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Set 1 Winner | 100% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Set 2 O/U 8.5 | 100% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Set 2 Winner | 100% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Set Handicap +/-1.5 | 100% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Set 2 O/U 9.5 | 100% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Set 2 O/U 10.5 | 100% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Total Sets: O/U 2.5 | 0% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Match O/U 21.5 | 0% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Set 1 O/U 8.5 | 0% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Set Handicap +/-1.5 | 0% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Match O/U 22.5 | 0% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Set 1 O/U 9.5 | 0% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Match O/U 23.5 | 0% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Set 1 O/U 10.5 | 0% |
| US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue Game Spread +/-0.5 | 0% |
Market context
Live Polymarket data shows 100% YES probability for Pronóstico: US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue. This market refers to the tennis match between Carson Branstine and Clervie Ngounoue in the US Open, Qualification WTA, originally scheduled for August 24, 2026 at 3:30PM ET. This market will resolve…
Methodology
We track Pronóstico: US Open, Qualification WTA: Carson Branstine vs Clervie Ngounoue across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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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