Short interest in Calamos Nasdaq-100 Structured Alt Protection ETF September (ARCA:CPNS) decreased during the last reporting period, falling from 14.41K to 4.32K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 13.87K shares traded per day, it would take 1 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.