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% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj Set 1 O/U 8.5 | 100% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj Set 1 O/U 9.5 | 100% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj Set 1 O/U 10.5 | 100% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj Set Handicap +/-1.5 | 100% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj | 0% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj Set 1 Winner | 0% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj Total Sets: O/U 2.5 | 0% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj Set 2 Winner | 0% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj Set 2 O/U 8.5 | 0% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj Match O/U 21.5 | 0% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj Set 2 O/U 9.5 | 0% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj Match O/U 22.5 | 0% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj Set 2 O/U 10.5 | 0% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj Match O/U 23.5 | 0% |
| Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj Set Handicap +/-1.5 | 0% |
Market context
Ekaterine Gorgodze and Yasmine Kabbaj were due to meet in Palermo in a WTA match scheduled for 22 July 2026, with the market now effectively pricing a very low chance of a straight YES outcome because the displayed crowd-implied probability is 0%. The contract resolves on the tennis result itself if one player advances, but if the match is not played, ends level, or slips more than seven days past the original date without a winner, it pays 50-50 instead.
A 0% reading is best treated cautiously in a live sports market, because small-liquidity contracts can be pinned by thin order books rather than a strong view on the actual match. The listed volume of about $1.4K to $1.53K suggests limited participation, so even a short-lived change in schedule status, injury news, or market-maker inventory could move the implied price sharply if fresh orders enter. In that sense, the market is often telling traders more about available liquidity than about a settled probability.
The main catalysts are straightforward: whether the match has started, whether either player withdraws, and whether tournament scheduling pushes the fixture outside the seven-day window that would trigger the fallback settlement. For crypto-focused traders, the practical link is USDC settlement on-chain, so any payout is ultimately a stablecoin cash-flow event rather than exposure to tennis itself. Broader BTC or ETH moves matter only indirectly here, mainly through risk appetite and the cost of capital for market participants rather than contract mechanics.
Sources: 1
Methodology
This page reads Palermo: Ekaterine Gorgodze vs Yasmine Kabbaj 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.
- 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.
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