Short Interest in Calamos Laddered S&P 500 Structured Alt Protection ETF (BATS:CPSL) Rises By 118.7%

Posted by Jeff Wilder on Jun 13th, 2026

Calamos Laddered S&P 500 Structured Alt Protection ETF (BATS:CPSL – Get Free Report) was the target of a large increase in short interest in the month of May. As of May 29th, there was short interest totaling 32,532 shares, an increase of 118.7% from the May 14th total of 14,878 shares. Based on an average daily trading volume, of 16,349 shares, the short-interest ratio is currently 2.0 days. Approximately 1.1% of the company’s shares are short sold.

Calamos Laddered S&P 500 Structured Alt Protection ETF Price Performance

Calamos Laddered S&P 500 Structured Alt Protection ETF stock opened at $27.90 on Friday. The firm has a 50 day simple moving average of $27.73 and a 200-day simple moving average of $27.43. Calamos Laddered S&P 500 Structured Alt Protection ETF has a 1-year low of $26.02 and a 1-year high of $27.98.

Institutional Trading of Calamos Laddered S&P 500 Structured Alt Protection ETF

An institutional investor recently raised its position in Calamos Laddered S&P 500 Structured Alt Protection ETF stock. Burkett Financial Services LLC grew its position in Calamos Laddered S&P 500 Structured Alt Protection ETF (BATS:CPSL – Free Report) by 1.7% in the 3rd quarter, according to the company in its most recent 13F filing with the Securities and Exchange Commission (SEC). The firm owned 719,130 shares of the company’s stock after buying an additional 12,252 shares during the period. Calamos Laddered S&P 500 Structured Alt Protection ETF accounts for approximately 6.7% of Burkett Financial Services LLC’s investment portfolio, making the stock its 6th largest position. Burkett Financial Services LLC owned 23.35% of Calamos Laddered S&P 500 Structured Alt Protection ETF worth $19,309,000 at the end of the most recent quarter.

Calamos Laddered S&P 500 Structured Alt Protection ETF Company Profile

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The Calamos Laddered S&P 500 Structured Alt Protection ETF (CPSL) is an exchange-traded fund that mostly invests in large cap equity. The fund is an actively managed fund-of-funds that invests in an equal-weighted, laddered portfolio of Calamos S&P 500 Structured Alt Protection ETFs. The fund targets specific buffered losses and capped gains on the SPDR S&P 500 ETF Trust (SPY). CPSL was launched on Sep 9, 2024 and is issued by Calamos.