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 |
|---|---|
| Shamrock Rovers FC (-1.5) | 100% |
| Shamrock Rovers FC (-2.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| O/U 4.5 | 100% |
| O/U 5.5 | 100% |
| Both Teams to Score | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| 1st Half O/U 2.5 | 100% |
| Shamrock Rovers FC O/U 0.5 | 100% |
| Shamrock Rovers FC O/U 1.5 | 100% |
| Shamrock Rovers FC O/U 2.5 | 100% |
| Floriana FC O/U 0.5 | 100% |
| Shamrock Rovers FC 1st Half O/U 0.5 | 100% |
| Shamrock Rovers FC 1st Half O/U 1.5 | 100% |
| Floriana FC 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| 2nd Half O/U 2.5 | 100% |
| Shamrock Rovers FC 2nd Half O/U 0.5 | 100% |
| Shamrock Rovers FC 2nd Half O/U 1.5 | 100% |
| Floriana FC (-1.5) | 0% |
| Floriana FC (-2.5) | 0% |
| Floriana FC O/U 1.5 | 0% |
| Floriana FC O/U 2.5 | 0% |
| Floriana FC 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| Floriana FC 2nd Half O/U 0.5 | 0% |
| Floriana FC 2nd Half O/U 1.5 | 0% |
Market context
Shamrock Rovers FC have already lost 2–0 to Floriana FC in their UEFA Champions League first-leg encounter on 7 July 2026, meaning the “more markets” contract for this fixture is effectively settled before the second leg begins on 14 July [1][2]. The 100% YES crowd-implied probability reflects that all ancillary outcomes—such as total goals, half-time scores, or player props tied to the match—are now mathematically determined by the first-leg result, leaving no uncertainty for settlement.
Historically, prediction markets tied to multi-leg football fixtures collapse to 100% certainty once the decisive leg is played and the aggregate outcome is fixed, as seen in past UEFA Champions League qualifiers where early goals rendered second-leg props irrelevant. In this case, Floriana’s 2–0 win with an under-2.5 total goals outcome means any market betting on “over 2.5 goals” across both legs is already a guaranteed loss, while “under” markets are locked in as wins [2].
Traders should monitor the official UEFA match report for the 14 July second leg to confirm no disqualifications or forfeits, though the aggregate score already secures Floriana’s progression. No new announcements or schedule changes are expected, as the fixture is confirmed for 3:00 PM ET with no dependencies on weather or player availability that could alter the settled outcome [1]. On-chain, USDC settlement will execute automatically once the UEFA result is verified, with no whale flows or funding rate shifts relevant given the resolved state.
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.
- 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.
- 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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