The US trade embargo, tightened by a May 2026 executive order expanding sanctions on Cuban entities including military-linked enterprises, remains the dominant structural barrier preventing any McDonald’s announcement in 2026. American firms require specific federal authorization to operate commercially on the island, a step the current administration has not signaled any intent to grant amid ongoing diplomatic stagnation. Cuba’s June 2026 package of 176 economic reforms and subsequent August decrees authorizing foreign fast-food franchises and private chains opened theoretical space for international brands, yet these measures explicitly condition operations on equal treatment rules that do not override US restrictions. No public expressions of interest or negotiations from McDonald’s have emerged, leaving the 92.5 percent implied probability on “No” aligned with the absence of any near-term policy shift or corporate catalyst within the calendar year.