A two-week U.S.-Iran ceasefire, including reopening the Strait of Hormuz, triggered a rapid unwind of the geopolitical risk premium built into oil prices. The mechanism is a swift market repricing from 'disaster scenario' to 'repair scenario,' amplified by leveraged and algorithmic trading. Key risk: the ceasefire is short-term, and physical supply recovery faces multiple logistical hurdles, allowing for a potential sharp rebound if the agreement falters.