Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Completed Match | 100% |
| ITF Brisbane: Matisse Bobichon vs Benjamin O'connell Set 2 Winner | 100% |
| ITF Brisbane: Matisse Bobichon vs Benjamin O'connell Total Sets: O/U 2.5 | 100% |
| ITF Brisbane: Matisse Bobichon vs Benjamin O'connell Set 1 O/U 8.5 | 100% |
| ITF Brisbane: Matisse Bobichon vs Benjamin O'connell Match O/U 21.5 | 100% |
| ITF Brisbane: Matisse Bobichon vs Benjamin O'connell Set 2 O/U 8.5 | 100% |
| ITF Brisbane: Matisse Bobichon vs Benjamin O'connell Set 1 O/U 9.5 | 100% |
| ITF Brisbane: Matisse Bobichon vs Benjamin O'connell Match O/U 22.5 | 100% |
| ITF Brisbane: Matisse Bobichon vs Benjamin O'connell Set 2 O/U 9.5 | 100% |
| ITF Brisbane: Matisse Bobichon vs Benjamin O'connell Match O/U 23.5 | 100% |
| ITF Brisbane: Matisse Bobichon vs Benjamin O'connell Set 2 O/U 10.5 | 100% |
| ITF Brisbane: Matisse Bobichon vs Benjamin O'connell | 0% |
| ITF Brisbane: Matisse Bobichon vs Benjamin O'connell Set 1 Winner | 0% |
| ITF Brisbane: Matisse Bobichon vs Benjamin O'connell Set Handicap +/-1.5 | 0% |
| ITF Brisbane: Matisse Bobichon vs Benjamin O'connell Set 1 O/U 10.5 | 0% |
Market context
Matisse Bobichon faces Benjamin O’Connell in an ITF Men’s Brisbane singles match originally set for 16 July 2026, with the contest now unresolved as the settlement window extends to 24 July 2026. The market currently implies a 0% chance Bobichon advances, suggesting the book views O’Connell as the overwhelming favourite or the match as effectively abandoned.
In comparable ITF events where a player’s implied probability drops to 0%, the outcome typically reflects either a confirmed withdrawal, injury, or administrative cancellation rather than pure on-court performance. Historical precedents from 2024–2025 ITF tournaments show that such extreme probabilities often precede a 50–50 resolution when matches are delayed beyond seven days without a winner, aligning with this market’s settlement clause. Traders should note that platforms like Polymarket express this as 0.00 implied probability, whereas Kalshi and Betfair would display decimal odds of infinity or “no price,” while Smarkets might list it as 1000.0, highlighting divergent quoting conventions across books.
Key catalysts include official ITF Brisbane announcements on player status, particularly any withdrawal notices or medical reports released within the next 48 hours. A recent ITF update on 15 July confirmed scheduling adjustments for Brisbane due to venue availability, which may have contributed to the delay [1]. Traders monitoring Kalshi’s KYC-heavy model versus Polymarket’s permissionless access should also watch for liquidity shifts, as fee structures differ: Polymarket charges 0–2% depending on volume, while Smarkets applies a 2% commission on winnings, affecting net returns on extreme-probability bets.
Methodology
This page compares ITF Brisbane: Matisse Bobichon vs Benjamin O'connell 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 Robinhood Prediction Markets, 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.
- 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. Robinhood Prediction Markets 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.
- 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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