President Donald Trump’s August 27, 2026 executive order directed the Interior Department to update the U.S. Geographic Names Information System and rename Lake Ontario to Lake America amid a tariff dispute with Canada. Google Maps quickly adopted the change for U.S. users while retaining Lake Ontario for Canadian users and dual labeling elsewhere. Interior Secretary Doug Burgum confirmed Trump contacted Apple directly, and Apple began a gradual rollout for U.S. users on September 1, consistent with its prior handling of the Gulf of America name update. The market resolves based on whether Apple Maps displays the new label for most U.S. users by the specified date, with traders monitoring rollout speed and any regional or international variations.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$20,455 Vol.
September 1
Yes
September 2
Yes
September 3
Yes
September 4
Yes
September 30
Yes
$20,455 Vol.
September 1
Yes
September 2
Yes
September 3
Yes
September 4
Yes
September 30
Yes
Changes which appear only in experimental features or subnational regional variants will not qualify for a “Yes” resolution.
If both "Lake America" and "Lake Ontario" are used to label the body of water, this will qualify for a “Yes” resolution.
The resolution source will be Apple Maps; however, a consensus of credible reporting may also be used.
Market Opened: Aug 31, 2026, 4:44 PM ET
Resolver
0x65070BE91...Outcome proposed: Yes
No dispute
Final outcome: Yes
Changes which appear only in experimental features or subnational regional variants will not qualify for a “Yes” resolution.
If both "Lake America" and "Lake Ontario" are used to label the body of water, this will qualify for a “Yes” resolution.
The resolution source will be Apple Maps; however, a consensus of credible reporting may also be used.
Resolver
0x65070BE91...Outcome proposed: Yes
No dispute
Final outcome: Yes
President Donald Trump’s August 27, 2026 executive order directed the Interior Department to update the U.S. Geographic Names Information System and rename Lake Ontario to Lake America amid a tariff dispute with Canada. Google Maps quickly adopted the change for U.S. users while retaining Lake Ontario for Canadian users and dual labeling elsewhere. Interior Secretary Doug Burgum confirmed Trump contacted Apple directly, and Apple began a gradual rollout for U.S. users on September 1, consistent with its prior handling of the Gulf of America name update. The market resolves based on whether Apple Maps displays the new label for most U.S. users by the specified date, with traders monitoring rollout speed and any regional or international variations.
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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