CPSR
Calamos S&P 500 Structured Alt Protection ETF - March
stockNYSEETF
At CloseOct 2, 2026 12:10:45 PM EDT
26.19USD+0.076%(+0.02)1,033
CPSR’s Short Volume on 2026-10-02 was 417, which is 98.86% of the day’s total reported volume. Over the past 30 days, the average Short Volume has been 37.54%. Short volume is the FINRA-reported daily short-sale volume — distinct from short interest, the standing position.
CPSR Short Volume by Venue
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CPSR Short Volume by Venue
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CPSR Short Volume · History
Historical data is split-adjusted.
2 Total from available short volume files. Not every exchange reports the daily short volume free of charge (or at all), so total volume in this table will be less than the daily volume at the top of the page. Volume for trades during regular trading hours.
3 FINRA short data reported after market close (4pm ET).
4 Cboe stopped publishing short volume on June 30, 2023.
5 Nasdaq short data reported after market close (4pm ET).
6 NYSE short data reported after trading day close (8pm ET).