Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
47% | 53% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
47% | 53% | 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 |
|---|---|
| England | 47% |
| Argentina | 43% |
| Neither | 11% |
Market context
England and Argentina meet in the 2026 FIFA World Cup semi-final at Atlanta Stadium on 15 July, with the “First Team to Score” market resolving strictly on the opening goal within the first 90 minutes of regular play plus stoppage time[3][4]. The current crowd-implied probability of 47% for England scoring first sits below their 54.25¢ moneyline advantage and 72% chance of scoring at least one goal, suggesting traders view Argentina’s defensive structure or early pressing as a credible barrier to an English opening strike[3][4]. Historical World Cup semi-finals involving these nations show a tendency for tight, low-scoring starts; in their 2018 World Cup qualifier, neither team scored in the first 30 minutes, while Argentina’s 2022 semi-final against France began with France scoring after 21 minutes, indicating that early goals are possible but not guaranteed[3].
Traders should monitor final squad announcements for Harry Kane and Lionel Messi, as both captains’ fitness directly influences early attacking intent, and watch for any pre-match tactical shifts reported by Dimers or other predictive analytics outlets[3]. The market’s settlement window ends at 19:00 UTC on 15 July, aligning with the match’s 3:00 PM ET start, and any postponement would keep the contract open until completion[3]. Platform divergence is stark: Polymarket prices this outcome at 35% YES (≈2.86 decimal odds) with 0% fees and no-KYC access up to $1,500, whereas Kalshi requires US-only KYC and charges up to 7% per trade, and Betfair imposes 2–5% commission with full KYC from the first trade[4][7]. This fee and access gap means implied probabilities on Polymarket may appear lower than on regulated venues, even when underlying sentiment is similar.
Methodology
We read England vs. Argentina - First Team to Score from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
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.
- 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.
- 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.
- 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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