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CPSF
Calamos S&P 500 Structured Alt Protection ETF - February
stockNYSEETF

At CloseOct 1, 2026 3:35:06 PM EDT
26.58USD0.000%(+26.58)1,243
26.62Bid26.73Ask0.11Spread
After-hoursOct 2, 2026 4:10:30 PM EDT
26.66USD+0.282%(+0.07)

CPSF Short Volume Summary · 2026-10-02

CPSF’s Short Volume on 2026-10-02 was 933, which is 90.34% of the day’s total reported volume. Over the past 30 days, the average Short Volume has been 31.60%. Short volume is the FINRA-reported daily short-sale volume — distinct from short interest, the standing position.

CPSF Short Volume by Venue

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CPSF Short Volume by Venue

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CPSF 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).