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HowShorted

How shorted is Sonoma Pharmaceuticals, Inc.? SNOA

#1,966most shorted US stockof 3,805 ranked stocks, more shorted than 48%

4.21%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
+0.40
5 reports (~10 weeks)
+1.59
days to cover
4.45
Aggregate net short position time series for Sonoma Pharmaceuticals, 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 Sonoma Pharmaceuticals, Inc. days to cover

Fails to deliver

The SEC's fails-to-deliver figure for SNOA: 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
2,500
21 Aug 2026
Highest in window
903,191
30 Apr 2026
Days with a balance
59
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Sonoma Pharmaceuticals, 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 903K shares.

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Sector: Healthcare · By year: 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20264.21%+0.40
31 Aug 20263.81%−0.39
14 Aug 20264.20%+4.02
31 Jul 20260.18%+0.09
15 Jun 20260.09%−2.53
29 May 20262.62%+1.06
15 May 20261.56%+0.63
15 Apr 20260.93%+0.17
13 Mar 20260.76%+0.01
27 Feb 20260.75%−0.31
13 Feb 20261.06%−0.44
30 Jan 20261.50%−0.17
15 Jan 20261.67%−0.41
31 Dec 20252.08%+1.17
15 Dec 20250.91%+0.14
28 Nov 20250.77%−0.45
14 Nov 20251.22%−56.33
15 Aug 202557.55%+57.17
30 Jun 20250.38%−0.22
28 Feb 20250.60%−0.36
14 Feb 20250.96%−2.14
31 Jan 20253.10%+1.33
15 Jan 20251.77%−1.00
31 Dec 20242.77%−2.28
13 Dec 20245.05%+2.03
29 Nov 20243.02%−2.73
15 Nov 20245.75%+3.75
15 Aug 20242.00%−1.71
31 Jul 20243.71%+1.32
15 Jul 20242.39%−2.66
28 Jun 20245.05%+3.23
14 Jun 20241.82%+0.45
15 Apr 20241.37%+0.62
15 Mar 20240.75%−0.03
29 Feb 20240.78%+0.14
15 Feb 20240.64%−0.29
31 Jan 20240.93%−0.53
29 Dec 20231.46%+0.83
30 Nov 20230.63%+0.08
15 Nov 20230.55%−0.39
31 Oct 20230.94%+0.13
13 Oct 20230.81%+0.11
29 Sep 20230.70%−0.27
15 Sep 20230.97%+0.14
31 Aug 20230.83%+0.25
15 Aug 20230.58%−0.18
31 Jul 20230.76%−0.31
14 Jul 20231.07%−0.59
30 Jun 20231.66%−0.10
31 May 20231.76%+0.13
15 May 20231.63%−1.09
28 Apr 20232.72%−0.87
14 Apr 20233.59%−1.21
31 Mar 20234.80%+1.62
15 Mar 20233.18%+1.17
28 Feb 20232.01%−0.35
15 Feb 20232.36%+0.79
13 Jan 20231.57%−0.08
30 Dec 20221.65%−1.41
15 Dec 20223.06%−0.03
30 Nov 20223.09%−1.79
15 Nov 20224.88%+4.64
31 Oct 20220.24%+0.05
15 Sep 20220.19%−0.05
31 Aug 20220.24%−0.20
15 Aug 20220.44%−0.49
29 Jul 20220.93%+0.25
15 Jul 20220.68%−5.31
13 May 20225.99%+3.48
29 Apr 20222.51%−0.43
14 Apr 20222.94%+1.35
31 Mar 20221.59%−0.06
15 Mar 20221.65%+0.44
28 Feb 20221.21%−0.56
15 Feb 20221.77%−0.92
31 Jan 20222.69%−0.76
14 Jan 20223.45%+0.13
31 Dec 20213.32%−1.27
15 Dec 20214.59%−1.12
30 Nov 20215.71%−2.30
15 Nov 20218.01%+3.81
15 Sep 20214.20%+0.66
31 Aug 20213.54%−0.23
13 Aug 20213.77%−2.89
30 Jul 20216.66%+3.50
15 Jul 20213.16%+2.57
30 Jun 20210.59%+0.10
15 Jun 20210.49%−0.26
28 May 20210.75%−0.17
14 May 20210.92%−0.28
30 Apr 20211.20%−0.28
15 Apr 20211.48%+0.49
31 Mar 20210.99%+0.06
12 Feb 20210.93%+0.74
30 Nov 20200.19%−0.15
13 Nov 20200.34%−0.09
30 Oct 20200.43%−0.41
15 Oct 20200.84%+0.06
30 Sep 20200.78%−0.27
15 Sep 20201.05%−0.68
31 Aug 20201.73%−0.13
14 Aug 20201.86%+1.01
15 Jul 20200.85%+0.81
15 May 20200.04%−0.03
30 Apr 20200.07%−0.04
13 Mar 20200.11%+0.04
28 Feb 20200.07%+0.01
14 Feb 20200.06%−1.80
29 Nov 20191.86%+1.01
15 Nov 20190.85%−0.70
31 Oct 20191.55%−0.17
15 Oct 20191.72%–

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

Frequently asked questions

How shorted is Sonoma Pharmaceuticals, Inc. right now?
4.21% of Sonoma Pharmaceuticals, Inc.'s (SNOA) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 1,966th 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 SNOA'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 SNOA's days to cover?
4.45 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.