Will the United Kingdom join the EU?

As of Mon, 19 Oct 2026 02:02:44 UTC, Kalshi traders price By Jan 1, 2040 (13.0%), By Jan 1, 2035 (7.0%), By Jan 1, 2032 (5.0%). The market has $1K in volume and closes on Sun, 01 Jan 2040.

Updated:

Current odds

OutcomeChanceYes priceNo price
By Jan 1, 204013.0%13.0¢87.0¢
By Jan 1, 20357.0%7.0¢93.0¢
By Jan 1, 20325.0%5.0¢95.0¢

Market details

Resolution rules

Each outcome is a separate contract with its own rules. The rules for By Jan 1, 2040:

If the United Kingdom has joined the EU by Jan 1, 2040, or the date that the country will officially join per its accession treaty is Jan 1, 2040, then the market resolves to Yes.

Sources

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