Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
5% | 95% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
5% | 95% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Market context
The real-world event at the heart of this contract is President Trump’s ongoing, albeit less publicised, campaign to secure US sovereignty over Greenland by the end of 2026. Despite his January 2026 Davos pledge to rule out military force and tariffs, the initiative has not been abandoned and continues to strain relations with NATO allies, as confirmed by recent reporting in The New Yorker [4]. His team has appointed special envoys and made direct promises to Greenlandic officials, even without Danish consent, signalling that the effort remains active despite consistent rejection from Greenland’s leaders and Denmark [1][4].
Historically, no US territory has been acquired through such a sudden, unilateral diplomatic push against a sovereign European nation, making the current 5% crowd-implied probability a reasonable reflection of the extreme structural hurdles. Comparable cases, such as the 1898 annexation of Hawaii or the 1917 purchase of the Danish West Indies, involved either local consent or long-term negotiation, whereas Trump’s approach faces entrenched opposition from both Greenland’s population and the Danish government [1]. The 5% line aligns with analyst consensus that a formal sovereignty transfer is highly improbable, though sportsbook lines on similar geopolitical contracts often diverge by 10–15 percentage points due to differing risk models.
Traders should monitor scheduled diplomatic meetings between the US and Denmark, any new appointments of special envoys, and public statements from NATO Secretary-General Mark Rutte, who previously helped forge a “framework of a future deal” [2]. A sudden announcement of negotiations or a shift in Denmark’s stance would be the primary catalyst for a probability spike, though no such development has occurred as of July 2026 [1]. The settlement window closes on 31 December 2026, leaving just five months for an official sovereignty transfer to be announced, a timeline that further depresses the likelihood of a “Yes” outcome [1].
Methodology
We track Will Trump acquire Greenland before 2027? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Best Prediction Markets. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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'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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
Trade Will Trump acquire Greenland before 2027? on Best Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
Open live market →