Buffer ETF Short Interest Drops Sharply While October DOCT Surges Massively

JULT’s 208 shares short represented 0.0% of its shares, with a short-interest ratio of just 0.2 days based on average volume of 942 shares.
GAUG had approximately 1.0% of its shares sold short after its decline in short interest; its short-interest ratio was 0.7 days against average daily volume of 95,898 shares.
KJAN’s remaining 25 shares of short interest amounted to approximately 0.0% of its shares, and its short-interest ratio was 0.0 days.
INT’s short-interest ratio was reported as 0.0 days, based on an average daily trading volume of 32,675 shares.
Short interest in buffer ETFs swung wildly in September, with most funds seeing dramatic declines while one surged sharply. Four ETFs—JULT, INT, GAUG, and KJAN—shed nearly all their short positions between August 31 and September 15, according to Ticker Report. Meanwhile, DOCT's short interest exploded 812.8%, rising to 31,190 shares and representing about 5.8 days of typical trading volume.
Corgi INTC 2x Daily (INT) saw short interest collapse 97.4%, falling to just 279 shares as of September 15, Ticker Report reported. Innovator U.S. Small Cap Power Buffer (KJAN) dropped 97.5%, leaving only 25 shares short—so minimal it rounds to 0.0% of the fund's total shares. JULT and GAUG followed the same pattern, shedding 99.3% and 96.9% respectively.
FT Vest U.S. Equity Deep Buffer ETF – October (DOCT) moved in the opposite direction. Short interest jumped 812.8% to 31,190 shares, according to Ticker Report. This spike equals roughly 5.8 days of DOCT's average trading volume, signaling a sharp shift in investor betting against the fund.
The collapsed short positions across most funds reflect their thin trading volumes. JULT's 208 remaining short shares represent just 0.2 days of average volume at 942 daily shares. GAUG holds a short-interest ratio of 0.7 days with 95,898 average daily shares. INT and KJAN both show 0.0-day ratios, meaning short sellers could cover all positions within a single trading session.
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