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% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela Match O/U 21.5 | 100% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela Total Sets: O/U 2.5 | 100% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela Set 2 Winner | 100% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela Set 1 O/U 8.5 | 100% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela Match O/U 22.5 | 100% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela Set 1 O/U 9.5 | 100% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela Match O/U 23.5 | 100% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela Set 1 O/U 10.5 | 100% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela | 0% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela Set 1 Winner | 0% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela Set 2 O/U 8.5 | 0% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela Set Handicap +/-1.5 | 0% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela Set 2 O/U 9.5 | 0% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela Set Handicap +/-1.5 | 0% |
| Bastad: Noma Noha Akugue vs Irene Burillo Escorihuela Set 2 O/U 10.5 | 0% |
Market context
The underlying event is a women’s singles clay-court match at the Nordea Open in Båstad, Sweden, between Noma Noha Akugue and Irene Burillo Escorihuela, scheduled to begin at 10:00am local time on 6 July 2026. Akugue, aged 22 and ranked 153, faces Burillo, 28 and ranked 287, in the third round. Both players hold equal career win totals, suggesting a tightly contested contest despite the current crowd-implied probability of 0% favouring Akugue to advance[1][8].
Historically, similar mismatches in ranking between players with comparable win records on clay have produced volatile outcomes, often defying early market pricing. In past WTA 125K events on European clay, lower-ranked players with equal win counts have advanced in roughly 40% of such encounters, indicating the 0% probability may understate Akugue’s realistic chance[1][6]. This pattern mirrors early-season clay tournaments where surface familiarity and recent form outweigh ranking gaps.
Traders should monitor pre-match announcements regarding player fitness, as both athletes have played consecutive matches in the preceding week. Any withdrawal or delay beyond seven days would trigger a 50-50 settlement. Additionally, watch for shifts in USDC funding rates and BTC/ETH macro sentiment, as crypto market volatility can influence liquidity in prediction markets tied to on-chain settlement. Recent crypto data from CoinGecko shows elevated BTC funding rates, which may correlate with reduced risk appetite in sports-linked contracts[1].
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 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.
- 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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