Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
25% | 75% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
25% | 75% | 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
| Jeff Bezos | 25% YES | 76% NO |
| Larry Ellison | 27% YES | 73% NO |
| Marshawn Lynch | 26% YES | 74% NO |
| John Stanton | 2% YES | 98% NO |
| Tim Cook | 6% YES | 94% NO |
| Buyer D | — | |
Market context
The Seattle Seahawks’ majority sale is still unresolved, and the market is pricing a named buyer at only 25%, which is broadly consistent with a process that has looked slower and narrower than early speculation suggested. ESPN reported this week that the pool of credible bidders is small, with liquidity a key constraint because a controlling purchaser would typically need to put up about 30% cash on a deal that sources think could price slightly above $9 billion. That matters for platform comparison: Polymarket shows a clean implied probability, while Betfair and Smarkets are usually read through decimal odds after commission, so a 25% Polymarket line may look longer or shorter once fees and back-adjusted margins are factored in.
Comparable NFL sales have tended to be decided by financing capacity as much as headline wealth. Recent franchise deals, including the Broncos and Commanders, showed that league approval, estate structuring and proof of funds can narrow the field quickly once a binding agreement is close. In this market, only a public announcement that Vulcan LLC has agreed to sell a majority interest to a named individual before 9 September 2026 will settle to that person; a minority stake, or a deal announced after the deadline, resolves to Other. That gives traders a hard binary around timing, which can diverge across venues where settlement rules and KYC access differ.
The immediate catalysts are further reporting on bidders, any formal auction timetable, and signs that one of the reported names can actually finance a record NFL valuation. ESPN said Aditya Mittal, Wyc Grousbeck and Vinod Khosla are among those preparing bids, while earlier chatter around Jeff Bezos, Bill Gates, Mark Zuckerberg and Tim Cook has not translated into confirmed offers. Traders should watch for owner-side statements, NFL approval steps and any exclusive negotiation window; absent that, a 2026 closing remains contingent rather than imminent.
Methodology
We read Who will buy the Seattle Seahawks? 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 quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.
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). PolyGram routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.
FAQ
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What does it cost to trade on PolyGram?
- Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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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