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HowShorted

How shorted is Ouster, Inc.? OUST

#765most shorted US stockof 3,805 ranked stocks, more shorted than 79%

9.40%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
−0.16
5 reports (~10 weeks)
−0.98
days to cover
3.69
Aggregate net short position time series for Ouster, 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 Ouster, 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 Aug 20268.47% 31 Jul 20268.65% 14 Aug 2026+0.18
5 May 20268.75% 30 Apr 20269.69% 15 May 2026+0.94
2 Mar 20269.49% 27 Feb 20269.90% 13 Mar 2026+0.41
4 Nov 20259.86% 31 Oct 202510.89% 14 Nov 2025+1.03
7 Aug 202512.36% 31 Jul 202511.18% 15 Aug 2025−1.18
8 May 20259.57% 30 Apr 20259.00% 15 May 2025−0.57
20 Mar 20258.45% 14 Mar 20258.69% 31 Mar 2025+0.24
17 Jan 202510.22% 15 Jan 202510.53% 31 Jan 2025+0.31

Fails to deliver

The SEC's fails-to-deliver figure for OUST: 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
2,083
11 Sep 2026
Highest in window
56,965
3 Mar 2026
Days with a balance
62
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Ouster, 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 57K shares.

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Sector: Industrials

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20269.40%−0.16
31 Aug 20269.56%+0.91
14 Aug 20268.65%+0.18
31 Jul 20268.47%−1.04
15 Jul 20269.51%−0.87
30 Jun 202610.38%+2.23
15 Jun 20268.15%−1.08
29 May 20269.23%−0.46
15 May 20269.69%+0.94
30 Apr 20268.75%0.00
15 Apr 20268.75%−0.36
31 Mar 20269.11%−0.79
13 Mar 20269.90%+0.41
27 Feb 20269.49%0.00
13 Feb 20269.49%+0.04
30 Jan 20269.45%−0.68
15 Jan 202610.13%+0.31
31 Dec 20259.82%+0.32
15 Dec 20259.50%−0.06
28 Nov 20259.56%−1.33
14 Nov 202510.89%+1.03
31 Oct 20259.86%+0.34
15 Oct 20259.52%−0.87
30 Sep 202510.39%+0.02
15 Sep 202510.37%+0.58
29 Aug 20259.79%−1.39
15 Aug 202511.18%−1.18
31 Jul 202512.36%−0.93
15 Jul 202513.29%+3.98
30 Jun 20259.31%+0.75
13 Jun 20258.56%−0.24
30 May 20258.80%−0.20
15 May 20259.00%−0.57
30 Apr 20259.57%+1.64
15 Apr 20257.93%−0.76
31 Mar 20258.69%+0.24
14 Mar 20258.45%−1.53
28 Feb 20259.98%−0.67
14 Feb 202510.65%+0.12
31 Jan 202510.53%+0.31
15 Jan 202510.22%+0.45
31 Dec 20249.77%+0.72
13 Dec 20249.05%−0.38
29 Nov 20249.43%−0.21
15 Nov 20249.64%−2.78
31 Oct 202412.42%−0.93
15 Oct 202413.35%−0.31
30 Sep 202413.66%−0.48
13 Sep 202414.14%+0.76
30 Aug 202413.38%−0.21
15 Aug 202413.59%−0.12
31 Jul 202413.71%+1.37
15 Jul 202412.34%+3.22
28 Jun 20249.12%+0.12
14 Jun 20249.00%+0.33
31 May 20248.67%−0.88
15 May 20249.55%−0.17
30 Apr 20249.72%+0.37
15 Apr 20249.35%−3.60
28 Mar 202412.95%+2.13
15 Mar 202410.82%+0.55
29 Feb 202410.27%−1.46
15 Feb 202411.73%+1.34
31 Jan 202410.39%−0.04
12 Jan 202410.43%+0.96
29 Dec 20239.47%−0.36
15 Dec 20239.83%+0.54
30 Nov 20239.29%+1.10
15 Nov 20238.19%+0.31
31 Oct 20237.88%−1.32
13 Oct 20239.20%+0.55
29 Sep 20238.65%+0.39
15 Sep 20238.26%−0.15
31 Aug 20238.41%+0.28
15 Aug 20238.13%+1.48
14 Apr 20236.65%+1.00
31 Mar 20235.65%−4.57
15 Mar 202310.22%+1.10
28 Feb 20239.12%+1.59
15 Feb 20237.53%+2.40
31 Jan 20235.13%+1.39
13 Jan 20233.74%−0.67
30 Dec 20224.41%−0.01
15 Dec 20224.42%−0.06
30 Nov 20224.48%−0.32
15 Nov 20224.80%+0.07
31 Oct 20224.73%−0.41
14 Oct 20225.14%−0.02
30 Sep 20225.16%−0.71
15 Sep 20225.87%+0.02
31 Aug 20225.85%+0.17
15 Aug 20225.68%−0.38
29 Jul 20226.06%−0.14
15 Jul 20226.20%+0.27
30 Jun 20225.93%−1.13
15 Jun 20227.06%+0.43
31 May 20226.63%−0.11
13 May 20226.74%+0.14
29 Apr 20226.60%−0.12
14 Apr 20226.72%+0.90
31 Mar 20225.82%−1.03
15 Mar 20226.85%−0.08
28 Feb 20226.93%+0.36
15 Feb 20226.57%+0.95
31 Jan 20225.62%+0.36
14 Jan 20225.26%+0.08
31 Dec 20215.18%+1.34
15 Dec 20213.84%+0.24
30 Nov 20213.60%−0.15
15 Nov 20213.75%−0.53
29 Oct 20214.28%−0.15
15 Oct 20214.43%−0.03
30 Sep 20214.46%−0.83
15 Sep 20215.29%−0.30
31 Aug 20215.59%−0.56
13 Aug 20216.15%+0.07
30 Jul 20216.08%−0.07
15 Jul 20216.15%+0.33
30 Jun 20215.82%+1.47
15 Jun 20214.35%+0.34
28 May 20214.01%+0.48
14 May 20213.53%–

Newest first. Scroll inside the table for earlier dates, back to 14 May 2021.

Frequently asked questions

How shorted is Ouster, Inc. right now?
9.40% of Ouster, Inc.'s (OUST) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 765th 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 OUST'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 OUST's days to cover?
3.69 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.