Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative) 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: Borna Gojo vs Aidan Mayo | 51% |
| Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo Set 1 Winner | 50% |
| Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo Set 2 Winner | 50% |
| Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo Total Sets: O/U 2.5 | 50% |
| Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo Set 2 O/U 8.5 | 50% |
| Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo Set 1 O/U 8.5 | 50% |
| Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo Set Handicap +/-1.5 | 50% |
| Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo Match O/U 21.5 | 50% |
| Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo Set 2 O/U 9.5 | 50% |
| Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo Match O/U 22.5 | 50% |
| Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo Set 1 O/U 9.5 | 50% |
| Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo Set 2 O/U 10.5 | 50% |
| Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo Set 1 O/U 10.5 | 50% |
| Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo Match O/U 23.5 | 50% |
| Completed Match | 1% |
Market context
Traders on decentralised prediction markets give 51% probability to los cabos open, qualification: borna gojo vs aidan mayo. This market refers to the tennis match between Borna Gojo and Aidan Mayo in the Los Cabos Open, Qualification, originally scheduled for July 26, 2026 at 12:00AM ET. This market will resolve to 'Borna…
Methodology
We read Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo 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
- 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.
- 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.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Kalshi Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.
- 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.
Trade Los Cabos Open, Qualification: Borna Gojo vs Aidan Mayo on Kalshi Alternative
Live order book, 0% fees, USDC settlement in seconds.
Open live market →