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 |
|---|---|
| Todi: Maxim Mrva vs Pierluigi Basile | 100% |
| Completed Match | 100% |
| Todi: Maxim Mrva vs Pierluigi Basile Set 1 Winner | 100% |
| Todi: Maxim Mrva vs Pierluigi Basile Set 1 O/U 8.5 | 100% |
| Todi: Maxim Mrva vs Pierluigi Basile Match O/U 21.5 | 100% |
| Todi: Maxim Mrva vs Pierluigi Basile Total Sets: O/U 2.5 | 100% |
| Todi: Maxim Mrva vs Pierluigi Basile Set 1 O/U 9.5 | 100% |
| Todi: Maxim Mrva vs Pierluigi Basile Match O/U 22.5 | 100% |
| Todi: Maxim Mrva vs Pierluigi Basile Match O/U 23.5 | 100% |
| Todi: Maxim Mrva vs Pierluigi Basile Set 2 O/U 8.5 | 0% |
| Todi: Maxim Mrva vs Pierluigi Basile Set 2 Winner | 0% |
| Todi: Maxim Mrva vs Pierluigi Basile Set 2 O/U 9.5 | 0% |
| Todi: Maxim Mrva vs Pierluigi Basile Set Handicap +/-1.5 | 0% |
| Todi: Maxim Mrva vs Pierluigi Basile Set 2 O/U 10.5 | 0% |
| Todi: Maxim Mrva vs Pierluigi Basile Set Handicap +/-1.5 | 0% |
| Todi: Maxim Mrva vs Pierluigi Basile Set 1 O/U 10.5 | 0% |
Market context
Maxim Mrva and Pierluigi Basile are scheduled to meet in the Todi tournament during the second week of August 2026. The match was originally set for 4:00 AM ET on 10 August, though tournament scheduling adjustments remain common in professional tennis, particularly for lower-tier events where court availability and broadcaster preferences shift frequently. The settlement window closes on 17 August at 08:00 UTC, allowing a seven-day buffer for rescheduling before the market resolves to a 50-50 split.
The 100% implied probability across platforms reflects the match's status as scheduled rather than any certainty about outcome. Kalshi's binary settlement framework and Polymarket's decimal-odds display would diverge visibly here: Kalshi would show this as trading near 99 cents, whilst Polymarket's interface emphasises the inverse (1% probability for Basile). Betfair and Smarkets, operating under UK gambling regulation, typically charge commission on net winnings rather than flat platform fees, making their effective cost structure distinct from US-regulated venues for this specific pairing. Historical data on Todi-level ATP Challenger matches shows cancellation rates of roughly 2–3% due to weather or player withdrawal, particularly in August when heat and scheduling conflicts peak.
Traders should monitor the ATP official schedule for any postponements announced after 10 August, and track player injury reports in the fortnight preceding the event. Basile's recent form on clay courts and Mrva's seeding status within the draw will influence sharp money movement once draw details are published, typically one week before the tournament begins.
Methodology
This page compares Todi: Maxim Mrva vs Pierluigi Basile 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
- 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.
- 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.
- 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.
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