Polymarket and Kalshi are closely aligned on the near-term outcome: Polymarket prices a Greenland acquisition before 2027 at just 4%, while Kalshi's matching "Before 2027" contract sits at 6% — both crowds agree it's a long shot given Trump ruled out military force and tariffs after his January 2026 Davos reversal with NATO's Rutte, leaving only a vague "framework" deal with no signed agreement.
Analysis written Jul 18, 2026 · prices checked Aug 18 · odds in the tables below are live
Background, methodology, and platform context
Compare Will Trump acquire Greenland before 2027? prediction market odds side by side across Polymarket, Kalshi. Platforms show similar odds, with an average spread of just 0.3pp. Close agreement often signals strong market consensus. With $40.28M in combined trading volume across 4 outcomes, this is one of the most actively traded cross-platform prediction markets.
Descriptions normalized for comparison (outcome names replaced with [OUTCOME])
This market will resolve to "Yes" if the United States officially announces that Greenland will come under US sovereignty by December 31, 2026, 11:59 PM ET. Otherwise this market will resolve to "No". Sovereignty is defined as the transfer of the majority of the territory of Greenland from its current status as an autonomous territory within the Kingdom of Denmark to being under the formal governance or jurisdiction of the United States, either as a state, territory, or other classification within the US system. An official announcement made by the United States and Denmark that Greenland will come under US sovereignty will qualify, even if the actual transfer of sovereignty is yet to occur. Only announcements of official agreements or actions (e.g. executive order, signed legislation, etc.) will count - mere posts on Social Media will not. The resolution source for this market will be official information from the governments of the US, Greenland, and Denmark, however a consensus of credible reporting confirming that Greenland has come under U.S. sovereignty will also qualify.
If the United States purchases at least part of Greenland from Denmark [OUTCOME], then the market resolves to Yes.
Different platforms may use different resolution criteria, data sources, and settlement timelines.
Trade on Polymarket
Trade on Kalshi