Diplomatic expulsions of U.S. ambassadors remain rare escalatory steps that carry high costs in bilateral relations, sanctions exposure, and alliance strain. As of late August 2026, no country has taken this action, despite ongoing frictions with Canada over ambassadorial comments on sovereignty, visa disputes with Brazil tied to nomination delays, and public criticism involving France and Poland. The Trump administration’s broad recall of career diplomats and resulting vacancies have instead prompted reciprocal personnel moves and agrément delays rather than host-country expulsions. With roughly four months left in the resolution window and no active military or sanctions crises directly threatening U.S. missions, traders assign a 70.5% probability to “No,” viewing sustained tensions as unlikely to reach the threshold for formal persona non grata declarations.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$33,023 Vol.
$33,023 Vol.
$33,023 Vol.
$33,023 Vol.
Any expulsion from a country where a U.S. ambassador is assigned as of the time of this market’s creation will qualify.
For the purposes of resolving this market, an official announcement that a U.S. ambassador will be or is being expelled will suffice regardless of whether or not the respective ambassador leaves the country within this market’s timeframe.
Qualifying announcements must be definitive, unambiguous, official statements issued by an authorized governmental person or entity.
Whether the ambassador resigns, is recalled, or otherwise departs voluntarily will have no bearing on the resolution of this market.
The primary resolution source for this market will be official information from the government of the United States, including the U.S. Department of State, as well as official information from the relevant expelling government; however, an overwhelming consensus of credible reporting may also be used.
Market Opened: Mar 31, 2026, 3:41 PM ET
Resolver
0x65070BE91...Any expulsion from a country where a U.S. ambassador is assigned as of the time of this market’s creation will qualify.
For the purposes of resolving this market, an official announcement that a U.S. ambassador will be or is being expelled will suffice regardless of whether or not the respective ambassador leaves the country within this market’s timeframe.
Qualifying announcements must be definitive, unambiguous, official statements issued by an authorized governmental person or entity.
Whether the ambassador resigns, is recalled, or otherwise departs voluntarily will have no bearing on the resolution of this market.
The primary resolution source for this market will be official information from the government of the United States, including the U.S. Department of State, as well as official information from the relevant expelling government; however, an overwhelming consensus of credible reporting may also be used.
Resolver
0x65070BE91...Diplomatic expulsions of U.S. ambassadors remain rare escalatory steps that carry high costs in bilateral relations, sanctions exposure, and alliance strain. As of late August 2026, no country has taken this action, despite ongoing frictions with Canada over ambassadorial comments on sovereignty, visa disputes with Brazil tied to nomination delays, and public criticism involving France and Poland. The Trump administration’s broad recall of career diplomats and resulting vacancies have instead prompted reciprocal personnel moves and agrément delays rather than host-country expulsions. With roughly four months left in the resolution window and no active military or sanctions crises directly threatening U.S. missions, traders assign a 70.5% probability to “No,” viewing sustained tensions as unlikely to reach the threshold for formal persona non grata declarations.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



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