Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative) 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 |
|---|---|
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik | 100% |
| Completed Match | 100% |
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik Set 2 Winner | 100% |
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik Set 1 Winner | 100% |
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik Set 1 O/U 8.5 | 100% |
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik Set 2 O/U 8.5 | 100% |
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik Set Handicap +/-1.5 | 100% |
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik Set 1 O/U 9.5 | 100% |
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik Set 1 O/U 10.5 | 100% |
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik Total Sets: O/U 2.5 | 0% |
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik Match O/U 21.5 | 0% |
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik Set 2 O/U 9.5 | 0% |
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik Match O/U 22.5 | 0% |
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik Set Handicap +/-1.5 | 0% |
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik Set 2 O/U 10.5 | 0% |
| Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik Match O/U 23.5 | 0% |
Market context
Yannick Alexandrescou’s match with Petr Brunclik in Plovdiv 2 was due to be a men’s singles contest on red clay, and the pre-match field was lopsided: Brunclik is listed around ATP 340/331, while Alexandrescou appears around ATP 973/928 depending on the feed. That ranking gap helps explain why several tennis data sites and bookmakers frame Brunclik as the clear favourite, with one projection giving him roughly 73% and Alexandrescou about 27%, while the crowd-implied 100% YES on this market is far more absolute than the underlying tennis pricing supports.[1][2][5][10]
For comparison, markets on Polymarket, Kalshi, Betfair and Smarkets can describe the same view very differently: a binary contract price near 100% on Polymarket/Kalshi corresponds to near-certainty, while Betfair and Smarkets normally express the same expectation as decimal odds and are more sensitive to commission. On a Challenger-level match like this, the practical read is less about a true 100% tennis edge and more about whether the event was fully scheduled and reported as played; that distinction matters because the market settles to 50-50 if the match is cancelled, tied, or pushed beyond the seven-day window without a winner.[1][2][11]
The main catalysts to watch are basic event-status changes rather than deep form swings: start-time moves, court assignment, retirements, walkovers, or a rescheduling that slips past the settlement threshold. The available feeds were not fully consistent on timing, with one source showing 12:00 UTC, another 13:10 UTC and another 13:30 UTC, which is a reminder that lower-tier ITF/Challenger scheduling can move on short notice.[1][3][10] That kind of discrepancy is exactly where platform design diverges: exchange-style books may update price continuously, while fixed-event prediction markets only care whether a qualifying winner is ultimately recorded before the deadline.[1][2]
Methodology
This page compares Plovdiv 2: Yannick Alexandrescou vs Petr Brunclik 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 Kalshi Alternative, which mirrors the Polymarket order book at 0% fees.
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
- 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.
- 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. Kalshi Alternative 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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