Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
51% | 49% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
51% | 49% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic | 51% |
| Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic Set 1 Winner | 51% |
| Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic Set 1 O/U 8.5 | 51% |
| Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic Set 2 O/U 8.5 | 51% |
| Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic Set 1 O/U 9.5 | 51% |
| Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic Match O/U 22.5 | 51% |
| Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic Set 2 O/U 9.5 | 51% |
| Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic Set Handicap +/-1.5 | 51% |
| Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic Set 1 O/U 10.5 | 51% |
| Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic Set 2 O/U 10.5 | 51% |
| Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic Total Sets: O/U 2.5 | 50% |
| Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic Set 2 Winner | 50% |
| Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic Match O/U 21.5 | 50% |
| Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic Match O/U 23.5 | 50% |
| Completed Match | 15% |
Market context
Based on real-money crowd forecasting, los cabos open, qualification: tristan boyer vs bernard tomic stands at 51% likelihood according to current market consensus. This market refers to the tennis match between Tristan Boyer and Bernard Tomic in the Los Cabos Open, Qualification, originally scheduled for July 26, 2026 at 9:00PM ET. This mark…
Methodology
We read Los Cabos Open, Qualification: Tristan Boyer vs Bernard Tomic from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
FAQ
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- 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.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
- 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. Robinhood Prediction Markets 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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