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% |
| Livesport Prague Open: Lucie Havlickova vs Barbora Krejcikova Set 1 O/U 8.5 | 100% |
| Livesport Prague Open: Lucie Havlickova vs Barbora Krejcikova Set Handicap +/-1.5 | 100% |
| Livesport Prague Open: Lucie Havlickova vs Barbora Krejcikova Set 1 O/U 9.5 | 100% |
| Livesport Prague Open: Lucie Havlickova vs Barbora Krejcikova | 0% |
| Livesport Prague Open: Lucie Havlickova vs Barbora Krejcikova Set 2 O/U 8.5 | 0% |
| Livesport Prague Open: Lucie Havlickova vs Barbora Krejcikova Match O/U 21.5 | 0% |
| Livesport Prague Open: Lucie Havlickova vs Barbora Krejcikova Set 2 Winner | 0% |
| Livesport Prague Open: Lucie Havlickova vs Barbora Krejcikova Match O/U 22.5 | 0% |
| Livesport Prague Open: Lucie Havlickova vs Barbora Krejcikova Set 1 Winner | 0% |
| Livesport Prague Open: Lucie Havlickova vs Barbora Krejcikova Set 2 O/U 9.5 | 0% |
| Livesport Prague Open: Lucie Havlickova vs Barbora Krejcikova Total Sets: O/U 2.5 | 0% |
| Livesport Prague Open: Lucie Havlickova vs Barbora Krejcikova Set 2 O/U 10.5 | 0% |
| Livesport Prague Open: Lucie Havlickova vs Barbora Krejcikova Match O/U 23.5 | 0% |
| Livesport Prague Open: Lucie Havlickova vs Barbora Krejcikova Set 1 O/U 10.5 | 0% |
Market context
Barbora Krejcikova’s match against Lucie Havlickova in Prague looks like a straightforward favourites-versus-underdog setup, with pre-match pricing and model output both leaning heavily towards Krejcikova. Tennis Tonic lists Krejcikova as the pick and quotes early odds of 1.2 for her against 4.55 for Havlickova, while Dimers’ simulation gives Krejcikova an 84% win chance[1][5]. That makes the market’s 7% YES price look notably softer than the consensus reading from those preview models, though prediction markets can still diverge when traders expect retirement risk, schedule disruption, or a less reliable favourite than the headline numbers suggest[1][5].
For this contract, the key mechanics matter as much as the tennis. On-chain settlement in USDC means the payoff is binary unless the match is not completed under the market’s rules: if the match begins but is not complete, the result resolves 50-50, and the same applies if the match is cancelled, tied, or delayed beyond seven days without a winner[2]. Traders should therefore watch the official Prague Open order of play, any start-time changes, and whether either player withdraws before first ball; those are the main event-level catalysts that can flip a low-probability favourite line into a split settlement outcome[2].
The broader market backdrop is mostly about whether the wider crypto tape is stable enough for positioning rather than this tennis fixture itself. When BTC and ETH are calm and exchange funding is flat, sport contracts tend to trade more cleanly around event-specific news; when funding or spot moves sharply, liquidity can rotate and widen spreads across unrelated markets, including low-liquidity tennis names. With a 7% implied probability, this market is already pricing only a small chance of Havlickova advancing, so any verified pre-match withdrawal, late postponement, or change to the official schedule would be the main driver worth tracking[1][2].
Methodology
This page reads Livesport Prague Open: Lucie Havlickova 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
- 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.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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 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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