Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Plymouth Argyle FC (-1.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| Plymouth Argyle FC O/U 0.5 | 100% |
| Plymouth Argyle FC O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| Plymouth Argyle FC 2nd Half O/U 0.5 | 100% |
| Plymouth Argyle FC 2nd Half O/U 1.5 | 100% |
| Exeter City FC (-1.5) | 0% |
| Plymouth Argyle FC (-2.5) | 0% |
| Exeter City FC (-2.5) | 0% |
| O/U 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 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Plymouth Argyle FC O/U 2.5 | 0% |
| Exeter City FC O/U 0.5 | 0% |
| Exeter City FC O/U 1.5 | 0% |
| Exeter City FC O/U 2.5 | 0% |
| Plymouth Argyle FC 1st Half O/U 0.5 | 0% |
| Plymouth Argyle FC 1st Half O/U 1.5 | 0% |
| Exeter City FC 1st Half O/U 0.5 | 0% |
| Exeter City FC 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 2.5 | 0% |
| Exeter City FC 2nd Half O/U 0.5 | 0% |
| Exeter City FC 2nd Half O/U 1.5 | 0% |
Market context
Plymouth Argyle and Exeter City will meet in the EFL Cup (Carabao Cup) first round on 10 August at 3:00 PM ET. Both clubs compete in the English Football League Championship and League Two respectively, making this a fixture between sides from different tiers. The current 100% implied probability across most platforms reflects either a technical settlement condition (such as the market resolving on whether additional markets will be offered) rather than a match outcome prediction, or represents extreme consensus that additional betting options will indeed be made available for this fixture.
Historical precedent suggests that major cup matches between Football League sides routinely attract supplementary markets on established platforms. Betfair's exchange model typically fragments into dozens of sub-markets (first goalscorer, exact score, booking totals) within 48 hours of fixture confirmation, whilst Kalshi's regulated US-based framework has historically limited football coverage to major league fixtures. Polymarket's decentralised structure allows community-created markets to proliferate rapidly, though settlement disputes on ambiguous conditions have occasionally delayed resolution. Smarkets, operating under UK gambling licences, maintains stricter market creation standards but offers tighter decimal odds spreads on established fixtures.
Traders monitoring this market should track official EFL announcements regarding broadcast arrangements and kick-off confirmation, as fixture postponements or time changes occasionally trigger market amendments. The settlement window closing 10 August at 19:00 UTC provides a four-hour buffer post-match, sufficient for standard result verification but potentially problematic if additional markets require manual adjudication. Fee structures diverge significantly: Betfair charges 5% commission on net winnings, Kalshi applies fixed spreads, Polymarket deducts 2% at settlement, and Smarkets takes 2% from winning bets only.
Methodology
We read Plymouth Argyle FC vs. Exeter City FC - More Markets 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.
- 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. Polymarket Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.
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