Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 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
Market context
Ajax are due to face FC Groningen in the Eredivisie, and Polymarket currently marks the “more markets” contract at 0% YES, which means traders are not pricing any additional market outcome into the conditional-tokens position on Polygon at present. With settlement tied to the listed match time, the contract only resolves if the relevant match-level conditions are met exactly as defined by the market rules, so a zero bid is best read as a lack of confidence rather than proof that nothing can settle.
That kind of pricing is not unusual in a narrow, event-specific market where the underlying fixture is already scheduled and the remaining uncertainty sits in how the contract language is interpreted at resolution. Recent comparable Ajax–Groningen markets have moved on the same basic inputs: official line-ups, postponement risk, and whether any administrative change alters the match state before the deadline. The two clubs have already met this season, with Groningen beating Ajax 3-1 on 7 March, which gives traders a recent form reference, but it does not by itself affect settlement on an on-chain market.
The main catalysts now are official club and league communications, especially confirmation that the match has started on time and that no late change has been made to the fixture, venue, or competition status. Flashscore and Sofascore both list the game as having been played at 16:45 UTC on 21 May, while FotMob’s projected line-ups show the sort of pre-match inputs traders often watch for late corrections. In Polymarket terms, the relevant question is whether the real-world football event and the contract’s wording still line up when the oracle-style resolution process is applied to the USDC-backed position.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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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