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 |
|---|---|
| ITF Gran Canaria: Emma Lene vs Francesca Curmi Set 2 Winner | 100% |
| ITF Gran Canaria: Emma Lene vs Francesca Curmi Set 1 O/U 8.5 | 100% |
| ITF Gran Canaria: Emma Lene vs Francesca Curmi Total Sets: O/U 2.5 | 50% |
| ITF Gran Canaria: Emma Lene vs Francesca Curmi Match O/U 21.5 | 50% |
| ITF Gran Canaria: Emma Lene vs Francesca Curmi Set Handicap +/-1.5 | 50% |
| ITF Gran Canaria: Emma Lene vs Francesca Curmi Match O/U 22.5 | 50% |
| ITF Gran Canaria: Emma Lene vs Francesca Curmi Match O/U 23.5 | 50% |
| ITF Gran Canaria: Emma Lene vs Francesca Curmi | 0% |
| Completed Match | 0% |
| ITF Gran Canaria: Emma Lene vs Francesca Curmi Set 1 Winner | 0% |
| ITF Gran Canaria: Emma Lene vs Francesca Curmi Set 2 O/U 8.5 | 0% |
| ITF Gran Canaria: Emma Lene vs Francesca Curmi Set 2 O/U 9.5 | 0% |
| ITF Gran Canaria: Emma Lene vs Francesca Curmi Set 1 O/U 9.5 | 0% |
| ITF Gran Canaria: Emma Lene vs Francesca Curmi Set 2 O/U 10.5 | 0% |
| ITF Gran Canaria: Emma Lene vs Francesca Curmi Set 1 O/U 10.5 | 0% |
Market context
Emma Lene and Francesca Curmi are scheduled to meet at the W100 Gran Canaria-Maspalomas ITF event on hard or clay-related tournament listings depending on the feed, but the key market point is that the match is/was live on the day and tied to a straightforward first-to-finish outcome rather than set scoring or games markets.[1][14] The crowd-implied 0% YES price is consistent with a heavy lean away from Lene, and the live tennis data show Curmi as the higher-ranked player at WTA 251 versus Lene at WTA 630, with one head-to-head entry already recorded in Curmi’s favour.[4][2][3]
That gap matters because markets at this level often track ranking, recent draw performance and whether one player has already handled the same conditions. Curmi has also been the more established Tour-level name on the board, while Lene’s recent Gran Canaria results are less prominent in the feeds than Curmi’s deeper run through earlier rounds.[1][7][13] In a market settling in USDC, the main mechanical risk is not just who wins but whether the match is completed on schedule: if it is cancelled, ends level, or drifts beyond the seven-day window without a winner, the contract resolves 50-50 rather than to either player.[14]
For traders, the most relevant catalysts are the final order of play, any late withdrawal or retirement reports, and whether the scheduled court assignment actually starts on time. Flashscore and similar live-score feeds were already showing the match in progress, which reduces pure no-show risk but leaves retirement and suspension as the live settlement variables.[4][2] In a broader crypto context, the event is small enough that BTC or ETH spot and funding flows are unlikely to drive the outcome directly, though market-wide risk sentiment can still affect how quickly liquidity appears around a near-zero priced contract.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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.
- 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.
Trade ITF Gran Canaria: Emma Lene vs Francesca Curmi on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →