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HowShorted

How shorted is Arq, Inc.? ARQ

#3,243most shorted US stockof 3,805 ranked stocks, more shorted than 14%

1.07%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
−0.03
5 reports (~10 weeks)
−2.78
days to cover
1.89
Aggregate net short position time series for Arq, 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 Arq, 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
6 May 20263.81% 30 Apr 20263.85% 15 May 2026+0.04
10 Mar 20263.62% 27 Feb 20264.29% 13 Mar 2026+0.67
5 Nov 20253.35% 31 Oct 20253.46% 14 Nov 2025+0.11
11 Aug 20254.18% 31 Jul 20254.34% 15 Aug 2025+0.16
7 May 20252.82% 30 Apr 20252.87% 15 May 2025+0.05
5 Mar 20252.64% 28 Feb 20253.05% 14 Mar 2025+0.41
7 Feb 20252.59% 31 Jan 20252.55% 14 Feb 2025−0.04
7 Nov 20243.26% 31 Oct 20242.62% 15 Nov 2024−0.64

Fails to deliver

The SEC's fails-to-deliver figure for ARQ: 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
1
9 Sep 2026
Highest in window
93,431
15 Apr 2026
Days with a balance
51
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Arq, 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 93K shares.

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Sector: Materials

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20261.07%−0.03
31 Aug 20261.10%+0.10
14 Aug 20261.00%−2.33
15 Jun 20263.33%−0.63
29 May 20263.96%+0.11
15 May 20263.85%+0.04
30 Apr 20263.81%+0.24
15 Apr 20263.57%−1.00
31 Mar 20264.57%+0.28
13 Mar 20264.29%+0.67
27 Feb 20263.62%+0.13
13 Feb 20263.49%+0.31
30 Jan 20263.18%−0.16
15 Jan 20263.34%+0.40
31 Dec 20252.94%−0.21
15 Dec 20253.15%+0.24
28 Nov 20252.91%−0.55
14 Nov 20253.46%+0.11
31 Oct 20253.35%+0.05
15 Oct 20253.30%+0.09
30 Sep 20253.21%−0.23
15 Sep 20253.44%−0.17
29 Aug 20253.61%−0.73
15 Aug 20254.34%+0.16
31 Jul 20254.18%+0.15
15 Jul 20254.03%+0.16
30 Jun 20253.87%+0.32
13 Jun 20253.55%+0.30
30 May 20253.25%+0.38
15 May 20252.87%+0.05
30 Apr 20252.82%+0.04
15 Apr 20252.78%−0.53
31 Mar 20253.31%+0.26
14 Mar 20253.05%+0.41
28 Feb 20252.64%+0.09
14 Feb 20252.55%−0.04
31 Jan 20252.59%−0.10
15 Jan 20252.69%+0.58
31 Dec 20242.11%+0.38
13 Dec 20241.73%−0.24
29 Nov 20241.97%−0.65
15 Nov 20242.62%−0.64
31 Oct 20243.26%+0.04
15 Oct 20243.22%+0.04
30 Sep 20243.18%+0.04
13 Sep 20243.14%−0.23
30 Aug 20243.37%+0.05
15 Aug 20243.32%+2.92
15 Apr 20240.40%+0.32
31 Jan 20240.08%+0.03
12 Jan 20240.05%0.00
29 Dec 20230.05%−0.04
15 Dec 20230.09%−0.10
30 Nov 20230.19%+0.06
15 Nov 20230.13%−0.24
31 Oct 20230.37%+0.13
13 Oct 20230.24%+0.05
29 Sep 20230.19%+0.09
15 Sep 20230.10%−0.14
31 Aug 20230.24%−0.12
15 Aug 20230.36%+0.16
14 Jul 20230.20%−0.08
30 Jun 20230.28%+0.16
15 Jun 20230.12%+0.01
31 May 20230.11%+0.01
15 May 20230.10%−0.07
28 Apr 20230.17%+0.01
14 Apr 20230.16%−0.09
31 Mar 20230.25%−0.03
28 Feb 20230.28%−0.11
15 Feb 20230.39%+0.21
13 Jan 20230.18%+0.09
30 Dec 20220.09%−0.05
15 Dec 20220.14%−0.11
30 Nov 20220.25%+0.09
15 Nov 20220.16%+0.01
31 Oct 20220.15%+0.05
14 Oct 20220.10%−0.03
30 Sep 20220.13%−0.07
15 Sep 20220.20%−0.02
31 Aug 20220.22%0.00
15 Aug 20220.22%−0.11
29 Jul 20220.33%−0.24
15 Jul 20220.57%−0.06
30 Jun 20220.63%−0.14
15 Jun 20220.77%+0.27
31 May 20220.50%+0.11
13 May 20220.39%−0.13
29 Apr 20220.52%+0.02
14 Apr 20220.50%−0.09
31 Mar 20220.59%−0.18
15 Mar 20220.77%−0.29
28 Feb 20221.06%+0.14
15 Feb 20220.92%+0.03
31 Jan 20220.89%+0.09
14 Jan 20220.80%−0.12
31 Dec 20210.92%+0.07
15 Dec 20210.85%+0.15
30 Nov 20210.70%+0.04
15 Nov 20210.66%−0.21
29 Oct 20210.87%−0.06
15 Oct 20210.93%+0.06
30 Sep 20210.87%−0.45
15 Sep 20211.32%+0.01
31 Aug 20211.31%−1.53
13 Aug 20212.84%−0.57
30 Jul 20213.41%−0.96
15 Jul 20214.37%+2.15
30 Jun 20212.22%−3.12
15 Jun 20215.34%+0.49
28 May 20214.85%+0.17
14 May 20214.68%−1.59
30 Apr 20216.27%+0.48
15 Apr 20215.79%+0.35
31 Mar 20215.44%+0.69
15 Mar 20214.75%+0.35
26 Feb 20214.40%+0.14
12 Feb 20214.26%−0.17
29 Jan 20214.43%+0.13
15 Jan 20214.30%0.00
31 Dec 20204.30%−0.30
15 Dec 20204.60%−0.21
30 Nov 20204.81%+0.43
13 Nov 20204.38%−0.18
30 Oct 20204.56%−0.07
15 Oct 20204.63%−0.80
30 Sep 20205.43%−0.65
15 Sep 20206.08%−1.03
31 Aug 20207.11%+0.15
14 Aug 20206.96%−0.32
31 Jul 20207.28%−0.86
15 Jul 20208.14%−0.71
30 Jun 20208.85%+0.23
15 Jun 20208.62%−1.55
29 May 202010.17%−1.11
15 May 202011.28%+0.89
30 Apr 202010.39%+0.54
15 Apr 20209.85%−0.14
31 Mar 20209.99%−0.20
13 Mar 202010.19%+0.71
28 Feb 20209.48%−0.32
14 Feb 20209.80%−0.71
31 Jan 202010.51%−0.42
15 Jan 202010.93%+0.15
31 Dec 201910.78%+0.10
13 Dec 201910.68%+0.60
29 Nov 201910.08%+1.50
15 Nov 20198.58%−0.66
31 Oct 20199.24%+0.03
15 Oct 20199.21%−0.12
30 Sep 20199.33%−0.83
13 Sep 201910.16%−0.21
30 Aug 201910.37%+0.13
15 Aug 201910.24%−0.33
31 Jul 201910.57%+0.03
15 Jul 201910.54%−1.16
28 Jun 201911.70%+0.35
14 Jun 201911.35%−0.01
31 May 201911.36%+0.56
15 May 201910.80%−0.33
30 Apr 201911.13%+1.41
15 Apr 20199.72%−1.26
29 Mar 201910.98%+0.18
15 Mar 201910.80%+1.09
28 Feb 20199.71%−1.00
15 Feb 201910.71%+0.68
31 Jan 201910.03%+0.25
15 Jan 20199.78%−1.04
31 Dec 201810.82%+0.93
14 Dec 20189.89%−0.43
30 Nov 201810.32%+0.04
15 Nov 201810.28%+0.96
31 Oct 20189.32%−0.07
15 Oct 20189.39%−0.38
28 Sep 20189.77%−0.47
14 Sep 201810.24%−0.20
31 Aug 201810.44%−0.31
15 Aug 201810.75%+0.94
31 Jul 20189.81%−0.65
13 Jul 201810.46%−0.32
29 Jun 201810.78%−0.81
15 Jun 201811.59%+0.26
31 May 201811.33%+0.01
15 May 201811.32%−1.13
30 Apr 201812.45%+2.35
13 Apr 201810.10%−0.37
29 Mar 201810.47%−2.48
15 Mar 201812.95%−1.93
28 Feb 201814.88%+0.27
15 Feb 201814.61%+2.20
31 Jan 201812.41%−0.23
12 Jan 201812.64%−0.08
29 Dec 201712.72%–

Newest first. Scroll inside the table for earlier dates, back to 29 Dec 2017.

Frequently asked questions

How shorted is Arq, Inc. right now?
1.07% of Arq, Inc.'s (ARQ) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 3,243rd 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 ARQ'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 ARQ's days to cover?
1.89 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.