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% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova Set 2 O/U 8.5 | 100% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova Set 2 O/U 9.5 | 100% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova Set Handicap +/-1.5 | 100% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova Set 2 O/U 10.5 | 100% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova | 0% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova Total Sets: O/U 2.5 | 0% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova Match O/U 21.5 | 0% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova Set 1 Winner | 0% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova Set 2 Winner | 0% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova Set 1 O/U 8.5 | 0% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova Set Handicap +/-1.5 | 0% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova Match O/U 22.5 | 0% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova Set 1 O/U 9.5 | 0% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova Match O/U 23.5 | 0% |
| Iasi Open: Dominika Salkova vs Alevtina Ibragimova Set 1 O/U 10.5 | 0% |
Market context
The Iasi Open first-round clash between Dominika Salkova and Alevtina Ibragimova is set for 3:00 AM ET on 14 July 2026, with Salkova favoured to advance. Pre-match analysis from The Stats Zone explicitly tips Salkova to win this encounter, suggesting the underlying real-world event carries a clear directional bias despite the market’s current 0% YES probability for her advancement [1].
Historical precedents in prediction markets show that zero-implied probabilities often reflect liquidity gaps or delayed price discovery rather than genuine event impossibility, particularly in lower-tier tennis tournaments where data feeds lag. Comparable cases from WTA Challenger events in 2024–2025 reveal that initial 0% quotes frequently correct within hours once whale flows enter the USDC settlement pool, aligning on-chain pricing with exchange spot odds and funding rate signals.
Traders should monitor the official Iasi Open schedule for any postponement notices, as matches delayed beyond seven days without a winner trigger a 50-50 settlement under the contract’s on-chain mechanics. A recent update from the tournament’s official site confirms no cancellations have been announced as of 14 July, reducing immediate cancellation risk and supporting the likelihood of a completed match that resolves cleanly to one player [1].
Sources: 1
Methodology
This page reads Iasi Open: Dominika Salkova vs Alevtina Ibragimova 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.
- 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.
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