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% |
| Rome: Darya Astakhova vs Noma Noha Akugue Match O/U 21.5 | 100% |
| Rome: Darya Astakhova vs Noma Noha Akugue Set 1 O/U 8.5 | 100% |
| Rome: Darya Astakhova vs Noma Noha Akugue Match O/U 22.5 | 100% |
| Rome: Darya Astakhova vs Noma Noha Akugue Set 1 Winner | 100% |
| Rome: Darya Astakhova vs Noma Noha Akugue Total Sets: O/U 2.5 | 100% |
| Rome: Darya Astakhova vs Noma Noha Akugue Set 1 O/U 9.5 | 100% |
| Rome: Darya Astakhova vs Noma Noha Akugue Match O/U 23.5 | 100% |
| Rome: Darya Astakhova vs Noma Noha Akugue Set 1 O/U 10.5 | 100% |
| Rome: Darya Astakhova vs Noma Noha Akugue | 0% |
| Rome: Darya Astakhova vs Noma Noha Akugue Set 2 Winner | 0% |
| Rome: Darya Astakhova vs Noma Noha Akugue Set 2 O/U 8.5 | 0% |
| Rome: Darya Astakhova vs Noma Noha Akugue Set Handicap +/-1.5 | 0% |
| Rome: Darya Astakhova vs Noma Noha Akugue Set 2 O/U 9.5 | 0% |
| Rome: Darya Astakhova vs Noma Noha Akugue Set Handicap +/-1.5 | 0% |
| Rome: Darya Astakhova vs Noma Noha Akugue Set 2 O/U 10.5 | 0% |
Market context
Market consensus: 100% chance of rome: darya astakhova vs noma noha akugue. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Darya Astakhova and Noma Noha Akugue in the Rome, originally scheduled for July 15, 2026 at 4:00AM ET. This market will resolve to '…
Methodology
This page reads Rome: Darya Astakhova vs Noma Noha Akugue 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
- 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.
- 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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