The most relevant and authoritative primary source is the Kalshi politics category page focused on Iran markets, which directly shows odds for Ali Khamenei leaving the Supreme Leader position. This page provides detailed probabilities and timelines, and explicitly lists the odds as 62%, confirming the statement. Other sources mention the Ali Khamenei market only incidentally, without providing usable data for verification. Given that the main, highly relevant and credible source explicitly supports the claim with the precise figure cited, there is strong alignment between the statement and verified primary data. No contradictory evidence was found, only less relevant references. Therefore, it is highly likely that the statement is true.