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% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti Match O/U 21.5 | 100% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti Set 2 Winner | 100% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti Set 1 O/U 8.5 | 100% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti Total Sets: O/U 2.5 | 100% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti Match O/U 22.5 | 100% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti Match O/U 23.5 | 100% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti | 0% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti Set 2 O/U 8.5 | 0% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti Set Handicap +/-1.5 | 0% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti Set 1 Winner | 0% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti Set 1 O/U 9.5 | 0% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti Set 2 O/U 9.5 | 0% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti Set Handicap +/-1.5 | 0% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti Set 1 O/U 10.5 | 0% |
| Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti Set 2 O/U 10.5 | 0% |
Market context
Sara Sorribes Tormo and Lucia Bronzetti are due to meet in Târgu Mureş on clay, with Bronzetti listed around WTA No. 118 and Sorribes Tormo around No. 214 in the live match listings. The market’s 0% crowd-implied YES is best read as a failure to price a live fixture rather than a true no-chance view, because the match is already on public scoreboards and set for 14:00 UTC. [7][10][11]
Historically, the head-to-head has been split in a way that matters for reading platform prices: Tennistemple records Sorribes Tormo leading 1-0 overall and 1-0 on clay, with the meeting coming in April 2026 and finishing 6-3, 6-2. That kind of narrow but current sample tends to keep decentralised markets like Polymarket and exchange-style books honest about match-state risk, while Betfair and Smarkets usually express the same view as decimal odds that can be converted back to implied probability after commission. [2][3][7]
For traders, the key catalysts are whether the scheduled quarter-final actually starts on time, whether the draw order on Court 1 changes, and whether any walkover or withdrawal appears before play, since a no-contest or delay beyond seven days would force the market to 50-50 under the rules. Sofascore, Flashscore and 365Scores all currently show the fixture as a live Târgu Mureş match-up, which supports the view that the main risk is execution rather than ambiguity over the pairing; the practical difference across venues is that Polymarket prices a pure probability, while exchange books may be harder to access depending on KYC and jurisdiction, and their displayed price can move differently once fees are included. [7][8][10][11]
Methodology
This page compares Targu Mures: Sara Sorribes Tormo vs Lucia Bronzetti 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.
- 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.
- 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.
- 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.
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