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: Mai Hontama vs Lilli Tagger Set 1 O/U 8.5 | 100% |
| Livesport Prague Open: Mai Hontama vs Lilli Tagger Set 1 O/U 9.5 | 100% |
| Livesport Prague Open: Mai Hontama vs Lilli Tagger Set 2 O/U 8.5 | 100% |
| Livesport Prague Open: Mai Hontama vs Lilli Tagger Set Handicap +/-1.5 | 100% |
| Livesport Prague Open: Mai Hontama vs Lilli Tagger Set 2 O/U 9.5 | 100% |
| Livesport Prague Open: Mai Hontama vs Lilli Tagger | 0% |
| Livesport Prague Open: Mai Hontama vs Lilli Tagger Total Sets: O/U 2.5 | 0% |
| Livesport Prague Open: Mai Hontama vs Lilli Tagger Set 1 Winner | 0% |
| Livesport Prague Open: Mai Hontama vs Lilli Tagger Set 2 Winner | 0% |
| Livesport Prague Open: Mai Hontama vs Lilli Tagger Match O/U 21.5 | 0% |
| Livesport Prague Open: Mai Hontama vs Lilli Tagger Set 1 O/U 10.5 | 0% |
| Livesport Prague Open: Mai Hontama vs Lilli Tagger Match O/U 22.5 | 0% |
| Livesport Prague Open: Mai Hontama vs Lilli Tagger Match O/U 23.5 | 0% |
| Livesport Prague Open: Mai Hontama vs Lilli Tagger Set 2 O/U 10.5 | 0% |
Market context
Mai Hontama is set to play Lilli Tagger in the Livesport Prague Open, and the market is currently priced at **0% YES**, which points to either no active trading interest or a stale price rather than a meaningful live consensus. With settlement tied to whether Hontama advances, the key operational detail is the contract’s fallback to **50-50** if the match is not played, ends level, or is delayed beyond seven days without a winner, so the structure matters as much as the on-court result.
For traders, the closest analogue is a low-liquidity tennis line where the price can look extreme until an official score entry lands on-chain. In USDC-settled prediction markets, the practical risk is less about match quality than about whether the event is confirmed, started, and completed within the settlement window; when a women’s tour match is moved, shortened, or abandoned, resolution can shift from a straight winner contract to a dispute over the fallback rules. In that sense, the current 0% print should be read cautiously, especially if on-chain volume is thin and there is no visible hedging pressure from BTC or ETH market beta.
The main catalysts are the official WTA or tournament schedule, any late withdrawals, and whether Prague’s draw order changes after weather or court-time delays. If the match is pushed back, the seven-day clause becomes relevant quickly, while a completed result would settle the market cleanly to the advancing player. On a crypto-focused venue, it is also worth watching whether broader market conditions improve liquidity in USDC pairs, because that can affect how quickly odds reprice even when the underlying tennis information is unchanged.
Methodology
This page reads Livesport Prague Open: Mai Hontama vs Lilli Tagger 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.
- 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.
- 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.
- 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.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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