CleanSpark (CLSK) recorded the highest short interest at 30.60% among large-cap crypto stocks in September, followed by MARA Holdings (27.08%), TeraWulf (24.28%), Bitdeer (24.18%), and Cipher Digital (17.54%). Conversely, Twenty One Capital had the lowest short interest at 1.79%. This data coincides with Bitcoin's price recovery from $77K to $83K during a volatile month.