Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov Set 1 O/U 8.5 | 100% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov Set Handicap +/-1.5 | 100% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov Set 1 O/U 9.5 | 100% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov | 0% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov Set 2 Winner | 0% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov Total Sets: O/U 2.5 | 0% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov Match O/U 21.5 | 0% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov Set Handicap +/-1.5 | 0% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov Set 1 Winner | 0% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov Set 2 O/U 8.5 | 0% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov Match O/U 22.5 | 0% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov Set 2 O/U 9.5 | 0% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov Match O/U 23.5 | 0% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov Set 1 O/U 10.5 | 0% |
| Plovdiv 2: Adrian Andreev vs Petr Nesterov Set 2 O/U 10.5 | 0% |
Market context
Adrian Andreev’s meeting with Petr Nesterov in Plovdiv is a straightforward Challenger-level all-Bulgarian matchup, but the market’s 0% YES price is much harder to justify if the match is already live or has produced a result on the public scoreboards. Multiple tennis trackers list the fixture as scheduled for 7 August in Plovdiv 2, with live pages showing both players entered and the tie framed as a quarter-final, which implies the contract should settle on the on-court winner once advancement is confirmed.[2][4][8][13] The on-chain mechanic is simple: the market resolves to USDC on the relevant outcome, with a 50-50 fallback only if the match is not played, ends level, or is delayed beyond seven days without a winner.
Comparative data still matter because the two players have no recorded head-to-head, so traders are leaning on ranking, form and surface split rather than direct history.[1][11] Third-party stats paint Nesterov as the more established hard-court player, with a stronger recent ranking position and better trailing-12-month win rates, while Andreev has carried better 2026 results overall and on clay.[1][3][11][15] That mix leaves room for a market to drift away from a zero probability if live confirmation is absent, because Challenger matches can still be vulnerable to walkovers, retirements or schedule changes even when the draw has been published.
The main catalysts are therefore not macro headlines but match administration: official start-time confirmation, any late court switch, and whether either player advances via retirement or walkover, which would still determine settlement under the contract rules.[2][3][12][13] For crypto-linked traders, the relevant backdrop is that the payout is in USDC, so BTC and ETH price swings affect portfolio value only indirectly, while exchange spot depth and funding conditions matter mainly for hedging the rest of the book rather than this single resolution. In a low-implied-probability spot, the practical watchpoint is whether any live tennis feed or bracket update proves the match is actually in play, because that is what converts a procedural 0% price into a normal binary result.[4][7][8]
Methodology
This page reads Plovdiv 2: Adrian Andreev vs Petr Nesterov on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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