Constitutional and legal barriers in Canada and the United States drive the strong trader consensus against Alberta joining the US. Canadian provinces cannot unilaterally secede under the Constitution and Clarity Act requirements, while US annexation would demand congressional approval, treaty negotiations, and statehood processes with no historical precedent for incorporating foreign territory in this manner. No major Canadian or American political party, government official, or polling data supports such a move, and bilateral relations remain focused on trade, energy, and diplomacy rather than territorial change. Realistic scenarios that could shift odds include an unprecedented sovereignty crisis triggering a binding referendum, coordinated legislative action in both countries, or a fundamental realignment in North American alliances, though each faces steep procedural and political hurdles.