Calamos Nasdaq-100 Structured Alt Protection ETF – September (CPNS) 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 Nasdaq-100 Structured Alt Protection ETF – September (CPNS) operates in the Financial Services sector, specifically the Asset Management - Global industry, with a market capitalization near $21.8M, listed on AMEX, carrying a beta of 0.21 to the broader market. This Calamos exchange-traded fund is designed to mirror the positive price performance of the Nasdaq-100 index, subject to a pre-determined upper limit on returns. public since 2024-09-03.

Open interest history tracks how outstanding options contracts change over time. No recent options activity for CPNS 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 →