Calamos S&P 500 Structured Alt Protection ETF – October (NYSEARCA:CPSO) Sees Significant Decline in Short Interest

Posted by Joseph Casey on Nov 1st, 2026

Calamos S&P 500 Structured Alt Protection ETF – October (NYSEARCA:CPSO – Get Free Report) saw a significant drop in short interest in October. As of October 15th, there was short interest totaling 9,022 shares, a drop of 53.6% from the September 30th total of 19,424 shares. Based on an average daily volume of 14,180 shares, the days-to-cover ratio is currently 0.6 days. Currently, 0.8% of the company’s stock are short sold.

Calamos S&P 500 Structured Alt Protection ETF – October Price Performance

Shares of NYSEARCA:CPSO traded down $0.10 during trading on Friday, hitting $28.45. 6,455 shares of the company were exchanged, compared to its average volume of 2,600. The stock has a market capitalization of $31.30 million, a P/E ratio of -264.09 and a beta of 0.18. Calamos S&P 500 Structured Alt Protection ETF – October has a 12-month low of $26.73 and a 12-month high of $28.58. The firm’s 50 day moving average price is $28.35 and its 200-day moving average price is $27.74.

Institutional Investors Weigh In On Calamos S&P 500 Structured Alt Protection ETF – October

Several hedge funds and other institutional investors have recently bought and sold shares of the stock. Tucker Asset Management LLC acquired a new position in Calamos S&P 500 Structured Alt Protection ETF – October in the second quarter valued at $50,000. Verdence Capital Advisors LLC purchased a new stake in shares of Calamos S&P 500 Structured Alt Protection ETF – October in the 3rd quarter valued at about $648,000. Finally, Calamos Advisors LLC lifted its holdings in shares of Calamos S&P 500 Structured Alt Protection ETF – October by 24.2% in the 1st quarter. Calamos Advisors LLC now owns 356,032 shares of the company’s stock valued at $9,613,000 after purchasing an additional 69,386 shares during the last quarter.

Calamos S&P 500 Structured Alt Protection ETF – October Company Profile

(Get Free Report)

The Calamos S&P 500 Structured Alt Protection ETF – October (CPSO) is an exchange-traded fund that mostly invests in large cap equity. The fund seeks to track the return of the SPDR S&P 500 ETF Trust (SPY), to a cap, with 100% downside hedge over a one-year outcome period. The actively managed fund holds FLEX options to obtain exposure CPSO was launched on Oct 1, 2024 and is issued by Calamos.