Calamos S&P 500 Structured Alt Protection ETF – November (CPSN) Open Interest History

Open interest tracks the total number of outstanding options contracts. Rising OI alongside price moves can indicate growing commitment to the trend; declining OI suggests positions are being closed.

Calamos S&P 500 Structured Alt Protection ETF – November (CPSN) operates in the Financial Services sector, specifically the Asset Management - Global industry, with a market capitalization near $25.1M, listed on AMEX, carrying a beta of 0.19 to the broader market. Calamos Structured Protected Exchange-Traded Funds (ETFs) are engineered to replicate the positive price appreciation of the S&P 500 Index, up to a predetermined maximum gain. public since 2024-11-01.

Open interest history tracks how outstanding options contracts change over time. No recent options activity for CPSN as of 2026-07-17; this typically reflects low options liquidity, a recently listed name, or a temporary data feed delay. Snapshot will refresh on the next active session.

Learn how open interest is reported and how to read the data →