Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| Both Teams to Score | 100% |
| Norwich City FC O/U 0.5 | 100% |
| West Bromwich Albion FC O/U 0.5 | 100% |
| West Bromwich Albion FC O/U 1.5 | 100% |
| Both Teams to Score in Second Half | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| 2nd Half O/U 2.5 | 100% |
| Norwich City FC 2nd Half O/U 0.5 | 100% |
| West Bromwich Albion FC 2nd Half O/U 0.5 | 100% |
| West Bromwich Albion FC 2nd Half O/U 1.5 | 100% |
| Norwich City FC (-1.5) | 0% |
| West Bromwich Albion FC (-1.5) | 0% |
| Norwich City FC (-2.5) | 0% |
| West Bromwich Albion FC (-2.5) | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Norwich City FC O/U 1.5 | 0% |
| Norwich City FC O/U 2.5 | 0% |
| West Bromwich Albion FC O/U 2.5 | 0% |
| Norwich City FC 1st Half O/U 0.5 | 0% |
| Norwich City FC 1st Half O/U 1.5 | 0% |
| West Bromwich Albion FC 1st Half O/U 0.5 | 0% |
| West Bromwich Albion FC 1st Half O/U 1.5 | 0% |
| Norwich City FC 2nd Half O/U 1.5 | 0% |
Market context
Norwich City and West Bromwich Albion will meet in an EFL Championship fixture on 15 August 2026, the opening weekend of the 2026–27 season. The 0% implied probability on this particular market suggests either a technical listing issue, an extremely narrow or exotic outcome definition, or minimal liquidity at settlement. Polymarket's decimal-odds display and Kalshi's binary structure handle such edge cases differently; Betfair's lay functionality allows traders to express conviction in low-probability events more granularly, whilst Smarkets' commission model (charged on net winnings rather than stakes) can shift the cost calculus for positions held across illiquid markets.
Historical precedent matters here. Norwich and West Brom have met 24 times in the Championship since 2004, with Norwich winning 8 and West Brom 9. Neither club has dominated the fixture, and both have experienced promotion and relegation cycles that reshape squad composition annually. The 2025–26 season outcomes—particularly final league positions, managerial stability, and transfer activity—will directly inform squad strength for August 2026. A 0% reading typically signals either that the market definition excludes standard outcomes or that no meaningful order flow has emerged; traders should verify the exact settlement criteria against the platform's terms.
Catalysts to monitor include pre-season injury reports (July–August 2026), confirmed squad rosters post-transfer window, and any late managerial changes. The Championship's fixture congestion and promotion-playoff intensity mean opening-weekend form can be volatile. Liquidity migration between platforms—Polymarket's regulatory reach in the US, Kalshi's CFTC-regulated binary contracts, and Betfair's established UK customer base—will determine where price discovery actually occurs if this market gains traction closer to kickoff.
Methodology
This page compares Norwich City FC vs. West Bromwich Albion FC - More Markets specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Robinhood Prediction Markets, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Robinhood Prediction Markets has a different geo footprint and routes to Polymarket's order book at 0% fees.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
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