Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
| Celtic FC | 100% YES | 0% NO |
| Draw (Celtic FC vs. Dunfermline Athletic FC) | 0% YES | 100% NO |
| Dunfermline Athletic FC | 0% YES | 100% NO |
Market context
Celtic FC will face Dunfermline Athletic FC in the Scottish Cup on Saturday, 23 May 2026. The fixture represents a significant mismatch in competitive standing: Celtic compete in the Scottish Premiership's upper tier, whilst Dunfermline play in the Championship. The 100% implied probability reflects this structural advantage, though cup football occasionally produces upsets when lower-division sides exploit fatigue or complacency in opponents.
Historical precedent suggests such probabilities warrant scrutiny. In the 2023–24 Scottish Cup, Premiership sides won their matches against Championship opposition in 11 of 13 encounters, yet two upsets occurred when top-flight teams fielded weakened lineups or faced organised lower-division defences. Celtic's own record against Dunfermline across the past decade shows five meetings with four Celtic victories and one draw; no Dunfermline win exists in recent memory. The probability floor of 100% implies traders see negligible upset risk, a position consistent with historical patterns but one that eliminates margin for unexpected outcomes.
Traders should monitor team news in the fortnight before the fixture. Celtic's injury status—particularly among defensive personnel—will shape their approach; any significant absences could prompt rotation that affects match intensity. Dunfermline's recent form in the Championship will indicate whether they enter the cup tie with momentum or fatigue. Scottish Cup semi-final results (scheduled earlier in May) may also influence squad availability if either side progresses further. Confirmation of the fixture's staging location and any weather forecasts closer to the date could marginally affect tactical preparation, though these rarely shift probabilities at this extreme level.
Methodology
We track Celtic FC vs. Dunfermline Athletic FC on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What does it cost to trade on PolyGram?
- Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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