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 |
|---|---|
| ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima | 100% |
| Completed Match | 100% |
| ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima Set 1 Winner | 100% |
| ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima Set 2 O/U 8.5 | 100% |
| ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima Set 2 Winner | 100% |
| ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima Set 1 O/U 8.5 | 0% |
| ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima Total Sets: O/U 2.5 | 0% |
| ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima Set 1 O/U 9.5 | 0% |
| ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima Set Handicap +/-1.5 | 0% |
| ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima Match O/U 21.5 | 0% |
| ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima Set 2 O/U 9.5 | 0% |
| ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima Match O/U 22.5 | 0% |
| ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima Set 1 O/U 10.5 | 0% |
| ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima Set 2 O/U 10.5 | 0% |
| ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima Match O/U 23.5 | 0% |
Market context
Based on real-money crowd forecasting, itf brisbane: natsuho arakawa vs maiko uchijima stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Natsuho Arakawa and Maiko Uchijima in the ITF Women Brisbane, originally scheduled for July 23, 2026 at 10:00PM ET. This market will…
Methodology
This page compares ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima 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
- 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.
- 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.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Polymarket 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 ITF Brisbane: Natsuho Arakawa vs Maiko Uchijima on Polymarket Alternative
Live order book, 0% fees, USDC settlement in seconds.
Open live market →