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 |
|---|---|
| Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova | 100% |
| Completed Match | 100% |
| Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova Match O/U 21.5 | 100% |
| Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova Set 1 O/U 8.5 | 100% |
| Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova Set 2 O/U 8.5 | 100% |
| Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova Total Sets: O/U 2.5 | 100% |
| Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova Set 2 Winner | 100% |
| Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova Match O/U 22.5 | 100% |
| Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova Set 1 O/U 9.5 | 100% |
| Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova Match O/U 23.5 | 100% |
| Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova Set 1 O/U 10.5 | 100% |
| Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova Set 1 Winner | 0% |
| Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova Set Handicap +/-1.5 | 0% |
| Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova Set 2 O/U 9.5 | 0% |
| Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova Set 2 O/U 10.5 | 0% |
Market context
The Livesport Prague Open, a WTA 250 event held annually in the Czech Republic, will feature a first-round match between Austrian qualifier Lilli Tagger and Czech Republic's Barbora Krejcikova on 25 July 2026. Krejcikova, a multiple Grand Slam champion and former world number one in both singles and doubles, enters as the clear favourite on seeding and ranking. Tagger, ranked outside the top 100, qualifies as an underdog in conventional terms, yet the market's 49–51 split suggests meaningful uncertainty about the outcome—a reflection of Krejcikova's recent form volatility and Tagger's capacity to trouble higher-ranked opponents on clay.
Krejcikova's singles record since 2023 has been inconsistent despite her pedigree. She has withdrawn from tournaments due to injury, struggled with consistency at mid-tier events, and occasionally lost to unseeded or lower-ranked players. Prague represents her home event, which typically confers psychological advantage, but also raises expectations that can weigh on performance. Tagger's qualifying run and clay-court record provide a baseline for assessing her competitive level; Austrian players on European clay have historically performed above their rankings.
The settlement window closes 7 August 2026, allowing seven days beyond the scheduled date for completion. Traders should monitor WTA injury reports and withdrawal announcements in early July, as Krejcikova's fitness history makes last-minute scratches material. Weather delays at Prague could trigger the 50–50 tie-break clause if play extends beyond 7 days. USDC settlement on btc-prediction.bet will execute once the ATP/WTA official result is confirmed; spot pricing on major exchanges will remain the reference for any settlement disputes.
Methodology
This page reads Livesport Prague Open: Lilli Tagger vs Barbora Krejcikova 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.
FAQ
- 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.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
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