Short interest in KCE surged 154% by Dec. 15, 2025, while SPTM’s dropped 46%.

Short interest in the SPDR S&P Capital Markets ETF (KCE) rose 154.3% to 7,764 shares by December 15, 2025, with a days-to-cover ratio of 0.4 days. Meanwhile, short interest in the SPDR Portfolio S&P 1500 ETF (SPTM) fell 46.2% to 94,701 shares during the same period, representing 0.1% of shares shorted and a 0.1-day cover ratio. Both ETFs showed stable trading activity, with SPTM’s market cap at $11.9 billion and KCE’s at $640.17 million. No specific reasons for the shifts were provided.