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 |
|---|---|
| Sheffield United FC (-1.5) | 100% |
| Sheffield United FC (-2.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| Sheffield United FC O/U 0.5 | 100% |
| Sheffield United FC O/U 1.5 | 100% |
| Sheffield United FC O/U 2.5 | 100% |
| Sheffield United FC 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| Sheffield United FC 2nd Half O/U 0.5 | 100% |
| Sheffield United FC 2nd Half O/U 1.5 | 100% |
| Mansfield Town FC (-1.5) | 0% |
| Mansfield Town FC (-2.5) | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Mansfield Town FC O/U 0.5 | 0% |
| Mansfield Town FC O/U 1.5 | 0% |
| Mansfield Town FC O/U 2.5 | 0% |
| Mansfield Town FC 1st Half O/U 0.5 | 0% |
| Mansfield Town FC 1st Half O/U 1.5 | 0% |
| Sheffield United FC 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 2.5 | 0% |
| Mansfield Town FC 2nd Half O/U 0.5 | 0% |
| Mansfield Town FC 2nd Half O/U 1.5 | 0% |
Market context
Mansfield Town hosted Sheffield United in the Carabao Cup first round, with the Championship side prevailing 3-0 at the One Call Stadium. That result makes the market’s 0% crowd-implied YES on “More markets” look like a stale pre-match position rather than a live view of match uncertainty, because the outcome is already settled on the pitch and the market window closes at the match deadline. BBC Sport reported the tie as Mansfield Town 0-3 Sheffield United, with kick-off at 16:00 BST, and Sky Sports’ live feed shows the same final score. [1][2]
For comparison, this is the sort of cup fixture where sportsbook-style pricing and prediction-market probabilities can diverge in presentation rather than in substance: Polymarket and Kalshi show an implied probability, while Betfair and Smarkets usually display decimal odds that traders convert back into an implied chance. In a match where a stronger Championship side beat a lower-division host, the market should normally lean heavily towards the favourite; Sports Mole’s preview also expected Sheffield United to win 1-3, while the recent head-to-head context includes Mansfield’s 4-3 FA Cup win in January, which is the main reminder that short-run cup variance can overwhelm league hierarchy. [3][13][19]
The main catalysts to watch on a similar market are team-news confirmations, late injury or rotation announcements, and any schedule changes around the first-round EFL Cup programme, because those are the inputs that move pre-match books before kick-off. For platform comparison, the practical difference is less about the fixture itself than access and frictions: exchange books such as Betfair and Smarkets typically require KYC and charge commission on winnings, whereas prediction markets more often price the contract directly in percentage terms, which can make a 0% quote look absolute even when it is simply a by-product of the book’s current depth. [1][2][8]
Methodology
This page compares Mansfield Town FC vs. Sheffield United 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
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
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.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- 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 supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Robinhood Prediction Markets offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
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