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HowShorted

How shorted is Atkore Inc.? ATKR

#2,082most shorted US stockof 3,805 ranked stocks, more shorted than 45%

3.93%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
+0.57
5 reports (~10 weeks)
0.00
days to cover
1.60
Aggregate net short position time series for Atkore Inc.

Markers along the chart's base: ▲ results announced (an 8-K reporting results was filed) ▲ quarterly or annual report filed. Dates are SEC filing dates; hover a point to see events since the previous settlement.

Days to cover

FINRA's own figure: reported shares short divided by the stock's average daily trading volume, published alongside each settlement. It expresses the short position in days of typical trading rather than as a percentage of the company; the two can move differently.

Aggregate net short position time series for Atkore Inc. days to cover

Short interest around results

For each results announcement (an 8-K reporting results, by its SEC filing date), the FINRA settlement before it and the first one after. Settlements fall twice a month, so the two figures can sit up to a month apart and much else changes in between: this shows what was reported, not why.

Reported short interest before and after each results announcement
Results filedSettlement beforeSettlement afterChange
3 Aug 20263.60% 31 Jul 20263.54% 14 Aug 2026−0.06
5 May 20263.27% 30 Apr 20262.52% 15 May 2026−0.75
3 Feb 20263.75% 30 Jan 20263.49% 13 Feb 2026−0.26
20 Nov 20256.99% 14 Nov 20256.79% 28 Nov 2025−0.20
5 Aug 20254.70% 31 Jul 20253.67% 15 Aug 2025−1.03
6 May 20256.82% 30 Apr 20254.68% 15 May 2025−2.14
21 Apr 20256.79% 15 Apr 20256.82% 30 Apr 2025+0.03
4 Feb 20256.84% 31 Jan 20255.39% 14 Feb 2025−1.45

Fails to deliver

The SEC's fails-to-deliver figure for ATKR: 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.

Last balance on file
26
31 Aug 2026
Highest in window
16,647
17 Sep 2025
Days with a balance
28
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Atkore Inc. 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 17K shares.

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Sector: Energy

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20263.93%+0.57
31 Aug 20263.36%−0.18
14 Aug 20263.54%−0.06
31 Jul 20263.60%−0.09
15 Jul 20263.69%−0.24
30 Jun 20263.93%−0.01
15 Jun 20263.94%+0.37
29 May 20263.57%+1.05
15 May 20262.52%−0.75
30 Apr 20263.27%−0.95
15 Apr 20264.22%−0.24
31 Mar 20264.46%+0.09
13 Mar 20264.37%+0.43
27 Feb 20263.94%+0.45
13 Feb 20263.49%−0.26
30 Jan 20263.75%+0.07
15 Jan 20263.68%−0.81
31 Dec 20254.49%−1.22
15 Dec 20255.71%−1.08
28 Nov 20256.79%−0.20
14 Nov 20256.99%+0.55
31 Oct 20256.44%+1.00
15 Oct 20255.44%+0.76
30 Sep 20254.68%−0.59
15 Sep 20255.27%+0.54
29 Aug 20254.73%+1.06
15 Aug 20253.67%−1.03
31 Jul 20254.70%+0.25
15 Jul 20254.45%+0.36
30 Jun 20254.09%−0.50
13 Jun 20254.59%−0.08
30 May 20254.67%−0.01
15 May 20254.68%−2.14
30 Apr 20256.82%+0.03
15 Apr 20256.79%−0.25
31 Mar 20257.04%+0.18
14 Mar 20256.86%+0.59
28 Feb 20256.27%+0.88
14 Feb 20255.39%−1.45
31 Jan 20256.84%−0.13
15 Jan 20256.97%−1.24
31 Dec 20248.21%+0.16
13 Dec 20248.05%+0.63
29 Nov 20247.42%−1.26
15 Nov 20248.68%−1.28
31 Oct 20249.96%−0.21
15 Oct 202410.17%−1.84
30 Sep 202412.01%+0.96
13 Sep 202411.05%−0.73
30 Aug 202411.78%−1.22
15 Aug 202413.00%−4.31
31 Jul 202417.31%+1.55
15 Jul 202415.76%+0.24
28 Jun 202415.52%−1.40
14 Jun 202416.92%−0.45
31 May 202417.37%+0.45
15 May 202416.92%+1.06
30 Apr 202415.86%−0.06
15 Apr 202415.92%+2.16
28 Mar 202413.76%−0.37
15 Mar 202414.13%−0.39
29 Feb 202414.52%+1.19
15 Feb 202413.33%+1.21
31 Jan 202412.12%−0.09
12 Jan 202412.21%−0.84
29 Dec 202313.05%+0.03
15 Dec 202313.02%+0.67
30 Nov 202312.35%+0.27
15 Nov 202312.08%0.00
31 Oct 202312.08%−0.19
13 Oct 202312.27%+0.39
29 Sep 202311.88%−0.16
15 Sep 202312.04%+0.35
31 Aug 202311.69%0.00
15 Aug 202311.69%+1.08
31 Jul 202310.61%−0.82
14 Jul 202311.43%−0.27
30 Jun 202311.70%−0.10
15 Jun 202311.80%+0.38
31 May 202311.42%+1.00
15 May 202310.42%+0.72
28 Apr 20239.70%+1.43
14 Apr 20238.27%+1.43
31 Mar 20236.84%+0.53
15 Mar 20236.31%+0.20
28 Feb 20236.11%+0.02
15 Feb 20236.09%−0.50
31 Jan 20236.59%+1.08
13 Jan 20235.51%+0.70
30 Dec 20224.81%+0.45
15 Dec 20224.36%−1.39
30 Nov 20225.75%−0.67
15 Nov 20226.42%+0.06
31 Oct 20226.36%−0.39
14 Oct 20226.75%+0.31
30 Sep 20226.44%+0.38
15 Sep 20226.06%+0.76
31 Aug 20225.30%+0.22
15 Aug 20225.08%+0.09
29 Jul 20224.99%+0.21
15 Jul 20224.78%+0.77
30 Jun 20224.01%−0.02
15 Jun 20224.03%+0.74
31 May 20223.29%+0.19
13 May 20223.10%−0.17
29 Apr 20223.27%+0.16
14 Apr 20223.11%+0.12
31 Mar 20222.99%−0.45
15 Mar 20223.44%+0.73
28 Feb 20222.71%−0.18
15 Feb 20222.89%+0.41
31 Jan 20222.48%+0.37
14 Jan 20222.11%+0.10
31 Dec 20212.01%−0.27
15 Dec 20212.28%+0.05
30 Nov 20212.23%+0.04
15 Nov 20212.19%−0.25
29 Oct 20212.44%+0.13
15 Oct 20212.31%+0.02
30 Sep 20212.29%+0.02
15 Sep 20212.27%+0.08
31 Aug 20212.19%−0.31
13 Aug 20212.50%−0.19
30 Jul 20212.69%+0.35
15 Jul 20212.34%+0.42
30 Jun 20211.92%−0.09
15 Jun 20212.01%+0.19
28 May 20211.82%−0.14
14 May 20211.96%+0.11
30 Apr 20211.85%+0.38
15 Apr 20211.47%−0.27
31 Mar 20211.74%−0.44
15 Mar 20212.18%−0.39
26 Feb 20212.57%+0.81
12 Feb 20211.76%+0.42
29 Jan 20211.34%+0.08
15 Jan 20211.26%−0.07
31 Dec 20201.33%−0.17
15 Dec 20201.50%+0.21
30 Nov 20201.29%−0.63
13 Nov 20201.92%+0.13
30 Oct 20201.79%+0.60
15 Oct 20201.19%+0.33
30 Sep 20200.86%−0.07
15 Sep 20200.93%−0.37
31 Aug 20201.30%−0.50
14 Aug 20201.80%−0.62
31 Jul 20202.42%+0.96
15 Jul 20201.46%−0.04
30 Jun 20201.50%+0.09
15 Jun 20201.41%−0.22
29 May 20201.63%+0.22
15 May 20201.41%+0.07
30 Apr 20201.34%−0.29
15 Apr 20201.63%−0.13
31 Mar 20201.76%−0.12
13 Mar 20201.88%+0.25
28 Feb 20201.63%−0.31
14 Feb 20201.94%+0.19
31 Jan 20201.75%+0.20
15 Jan 20201.55%−0.02
31 Dec 20191.57%−0.04
13 Dec 20191.61%+0.22
29 Nov 20191.39%+0.30
15 Nov 20191.09%−0.21
31 Oct 20191.30%+0.08
15 Oct 20191.22%–

Newest first. Scroll inside the table for earlier dates, back to 15 Oct 2019.

Frequently asked questions

How shorted is Atkore Inc. right now?
3.93% of Atkore Inc.'s (ATKR) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 2,082nd most shorted US stock, out of 3,805 we rank.
What does this number include?
FINRA member firms must report their short positions in all US equities twice a month; FINRA consolidates them per security. We divide that official share count by the company's shares outstanding from its SEC filings. This is the regulatory figure, not a daily estimate.
Why does it only update twice a month?
US short interest is reported for settlement on the 15th and the last business day of each month, and FINRA publishes the consolidated figures about nine business days later. That cadence is set by regulation; no daily official figure exists.
Is this ATKR's short float?
No. This is short interest as a percentage of shares outstanding, the count in the company's SEC filings. "Short float" divides the same FINRA short count by the public float, which excludes closely held shares, so it comes out higher for the same company. We publish no float estimates: the float is not a regulatory figure.
What is ATKR's days to cover?
1.60 days for settlement date 15 Sep 2026: FINRA's own short interest ratio, the reported shares short divided by average daily trading volume. It is published in the same FINRA file and shown verbatim; we hold no volume data ourselves.
Which funds are short?
US public short interest is aggregate-only: individual short sellers are not named. Only some EU markets publish named positions.