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HowShorted

CPNJ short interest NYSE Arca

Calamos Nasdaq-100 Structured. FINRA's reported shares short for this symbol, twice a month by settlement date, shown as the regulator publishes them. No percentage is shown: exchange-traded product: its share count floats with creation and redemption.

Shares short
18,701
vs previous settlement
−4,047 (-17.8%)
days to cover
4.17
Settlement date
15 Sep 2026

Shares short over time

Aggregate net short position time series for CPNJ shares short

Days to cover

FINRA's own figure: reported shares short divided by the security's average daily trading volume, published alongside each settlement.

Aggregate net short position time series for CPNJ days to cover

Fails to deliver

The SEC's fails-to-deliver figure for CPNJ: the aggregate net balance of shares that failed to be delivered at each settlement date, published by the SEC twice a month and shown here verbatim for the trailing window. A balance is not a daily flow, and a fail has many ordinary causes; the SEC says it cannot guarantee the accuracy of the data. See what fails to deliver are and the largest balances today.

Latest balance
917
14 Sep 2026
Highest in window
108,019
1 Jun 2026
Days with a balance
45
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Calamos Nasdaq-100 Structured fails to deliver

Source: U.S. Securities and Exchange Commission, fails-to-deliver data (public domain). Only settlement days with a positive balance appear; the largest balance in the window was 108K shares.

History

Every FINRA settlement we hold for CPNJ, newest first.

Full reported short interest history
Settlement dateShares shortChangeDays to cover
15 Sep 202618,701−4,0474.17
31 Aug 202622,748−10,8542.78
14 Aug 202633,602+7,0542.95
31 Jul 202626,548−2,9432.60
15 Jul 202629,491+14,3194.89
30 Jun 202615,172−67,5691.03
15 Jun 202682,741+82,1862.39
29 May 2026555+2031.00
15 May 2026352+2531.00
30 Apr 202699+171.00
15 Jan 202682−1051.00
15 Dec 2025187−3,7841.00
31 Oct 20253,971+3,9691.00
29 Aug 20252−1001.00
15 Aug 2025102−7,0901.00
31 Jul 20257,192+5,9061.00
15 Jul 20251,286−11,3141.00
30 Jun 202512,600−7,7001.00
13 Jun 202520,300+20,0171.00
15 May 2025283+2671.00
30 Apr 202516−281.00
15 Apr 202544+371.00
31 Mar 20257−9531.00
14 Mar 2025960−1,0961.00
14 Feb 20252,056−1,9251.03
31 Jan 20253,981+3,6431.22
15 Jan 2025338−7931.00
31 Dec 20241,131+1,1301.00
13 Dec 20241−31.00
29 Nov 2024401.00
15 Nov 20244−1641.00
31 Oct 2024168+1541.00
15 Oct 202414−2,1561.00
30 Sep 20242,170−2,0601.00
13 Sep 20244,230−2,2771.00
30 Aug 20246,507−25,1691.00
15 Aug 202431,676−10,5741.00
31 Jul 202442,250+25,2482.75
15 Jul 202417,002−7,0341.00
28 Jun 202424,036−22,1931.00
14 Jun 202446,229–1.00

Scroll inside the table for earlier settlements, back to 14 Jun 2024.

Questions

Frequently asked questions

What is CPNJ's short interest?
18,701 shares short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report, down 4,047 from the previous settlement.
Why is there no percentage for CPNJ?
Because no defensible share count exists to divide by: exchange-traded product: its share count floats with creation and redemption. An exchange-traded product's share count changes every day as units are created and redeemed, so no filing gives a stable count to divide by. FINRA's shares-short figure is exact; a percentage of it would not be.
What is CPNJ's days to cover?
4.17 days for settlement date 15 Sep 2026: FINRA's own short interest ratio, the reported shares short divided by average daily trading volume, published in the same file and shown verbatim. We hold no volume data ourselves.
Is this the short float?
No. This page shows FINRA's share count only. Short float divides that count by the public float, and short interest as we publish it elsewhere divides it by shares outstanding from SEC filings. Neither denominator is available for this line, so neither ratio is shown.
How often does this update?
FINRA member firms report short positions as of the 15th and the last business day of each month, and FINRA publishes the consolidated figures about nine business days later. We ingest each file the day it appears and re-read recent settlements for revisions.

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