President Trump's repeated social media posts labeling the Strait of Hormuz as "Trump Strait" or "Strait of Trump" reflect rhetorical signaling amid ongoing U.S.-Iran tensions over shipping access and sanctions, consistent with prior domestic geographic rebrands via executive action. However, the waterway lies in international waters between Iran and Oman, where unilateral U.S. renaming lacks legal or diplomatic mechanism for formal adoption. No executive order, Board on Geographic Names action, or bilateral agreement advancing an official change has emerged in recent months. Trader consensus at 97.5% against completion by December 31 stems from these structural barriers and the absence of any binding implementation steps. Late developments such as a surprise U.S. sovereignty claim tied to ceasefire talks or multilateral recognition could still shift probabilities before year-end.