Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo Set 1 O/U 8.5 | 100% |
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo Set 1 O/U 9.5 | 100% |
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo Set 2 Winner | 75% |
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo Game Spread +/-1.5 | 75% |
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo Match O/U 21.5 | 50% |
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo Total Sets: O/U 2.5 | 50% |
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo Set Handicap +/-1.5 | 50% |
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo Match O/U 22.5 | 50% |
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo Set 2 O/U 9.5 | 50% |
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo Match O/U 23.5 | 50% |
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo Set 2 O/U 10.5 | 50% |
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo Set 2 O/U 8.5 | 30% |
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo | 0% |
| Completed Match | 0% |
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo Set 1 Winner | 0% |
| Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo Set 1 O/U 10.5 | 0% |
Market context
Market consensus: 100% chance of winston-salem open: pablo carreno busta vs adolfo vallejo. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Pablo Carreno Busta and Adolfo Vallejo in the Winston-Salem Open, originally scheduled for August 24, 2026 at 10:00AM ET. This marke…
Methodology
This page compares Winston-Salem Open: Pablo Carreno Busta vs Adolfo Vallejo specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Alternative, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Polymarket Alternative offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
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