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How shorted is KALA BIO, Inc.? KALA

#2,798most shorted US stockof 3,805 ranked stocks, more shorted than 26%

2.30%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
+0.22
5 reports (~10 weeks)
−11.56
days to cover
1.00
Aggregate net short position time series for KALA BIO, 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 KALA BIO, 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
8 Aug 20255.40% 31 Jul 20255.68% 15 Aug 2025+0.28
14 May 20256.27% 30 Apr 20254.45% 15 May 2025−1.82
12 Nov 20240.81% 31 Oct 20240.66% 15 Nov 2024−0.15
14 May 20240.31% 30 Apr 20240.21% 15 May 2024−0.10
29 Mar 20240.21% 28 Mar 20240.18% 15 Apr 2024−0.03
13 Nov 20232.49% 31 Oct 20232.35% 15 Nov 2023−0.14
4 Aug 20233.95% 31 Jul 20232.97% 15 Aug 2023−0.98
9 May 20238.22% 28 Apr 20237.98% 15 May 2023−0.24

Fails to deliver

The SEC's fails-to-deliver figure for KALA: 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
15,464
10 Sep 2026
Highest in window
757,005
12 Mar 2026
Days with a balance
129
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for KALA BIO, 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 757K shares.

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Sector: Healthcare · By year: 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20262.30%+0.22
31 Aug 20262.08%+0.76
14 Aug 20261.32%−11.22
30 Apr 202612.54%−0.36
15 Apr 202612.90%−0.96
31 Mar 202613.86%+1.97
27 Feb 202611.89%+3.88
13 Feb 20268.01%+0.94
30 Jan 20267.07%+1.82
15 Jan 20265.25%−1.46
31 Dec 20256.71%−4.60
15 Dec 202511.31%−15.49
28 Nov 202526.80%+20.19
14 Nov 20256.61%−3.30
31 Oct 20259.91%−2.81
15 Oct 202512.72%+3.45
15 Sep 20259.27%+3.29
29 Aug 20255.98%+0.30
15 Aug 20255.68%+0.28
31 Jul 20255.40%+0.44
15 Jul 20254.96%+0.16
30 Jun 20254.80%+0.21
13 Jun 20254.59%+0.03
30 May 20254.56%+0.11
15 May 20254.45%−1.82
30 Apr 20256.27%+1.89
15 Apr 20254.38%+0.26
31 Mar 20254.12%+3.80
15 Jan 20250.32%−0.23
31 Dec 20240.55%+0.08
13 Dec 20240.47%−0.10
29 Nov 20240.57%−0.09
15 Nov 20240.66%−0.15
31 Oct 20240.81%+0.17
15 Oct 20240.64%−0.01
30 Sep 20240.65%+0.18
13 Sep 20240.47%−0.02
30 Aug 20240.49%−0.19
15 Aug 20240.68%+0.20
14 Jun 20240.48%+0.21
31 May 20240.27%+0.06
15 May 20240.21%−0.10
30 Apr 20240.31%+0.13
15 Apr 20240.18%−0.03
28 Mar 20240.21%−0.24
15 Mar 20240.45%+0.08
29 Feb 20240.37%−0.08
15 Feb 20240.45%−0.18
31 Jan 20240.63%−0.63
12 Jan 20241.26%−1.47
15 Dec 20232.73%+0.71
30 Nov 20232.02%−0.33
15 Nov 20232.35%−0.14
31 Oct 20232.49%−0.47
13 Oct 20232.96%−0.97
29 Sep 20233.93%+1.28
15 Sep 20232.65%−0.32
15 Aug 20232.97%−0.98
31 Jul 20233.95%−4.11
14 Jul 20238.06%−0.06
30 Jun 20238.12%+2.06
15 Jun 20236.06%−0.32
31 May 20236.38%−1.60
15 May 20237.98%−0.24
28 Apr 20238.22%−0.27
14 Apr 20238.49%−4.16
31 Mar 202312.65%+2.89
15 Mar 20239.76%−6.65
28 Feb 202316.41%+2.34
15 Feb 202314.07%−5.90
31 Jan 202319.97%+4.41
13 Jan 202315.56%+8.90
15 Dec 20226.66%+0.34
30 Nov 20226.32%+1.28
15 Nov 20225.04%+2.78
14 Oct 20222.26%+0.06
30 Sep 20222.20%−0.33
15 Sep 20222.53%−0.34
31 Aug 20222.87%+0.05
15 Aug 20222.82%+0.31
29 Jul 20222.51%−0.31
15 Jul 20222.82%−0.15
30 Jun 20222.97%−1.89
15 Jun 20224.86%−2.02
31 May 20226.88%−0.34
13 May 20227.22%+1.00
29 Apr 20226.22%+0.09
14 Apr 20226.13%−0.80
31 Mar 20226.93%−4.06
15 Mar 202210.99%+4.76
28 Feb 20226.23%−0.15
15 Feb 20226.38%+0.38
31 Jan 20226.00%+0.43
14 Jan 20225.57%−0.88
31 Dec 20216.45%−1.42
15 Dec 20217.87%−2.98
30 Nov 202110.85%−2.09
15 Nov 202112.94%−0.15
29 Oct 202113.09%−0.45
15 Oct 202113.54%−0.59
30 Sep 202114.13%+1.57
15 Sep 202112.56%−2.35
31 Aug 202114.91%+1.82
13 Aug 202113.09%−0.70
30 Jul 202113.79%+0.71
15 Jul 202113.08%−0.11
30 Jun 202113.19%+0.73
15 Jun 202112.46%+0.40
28 May 202112.06%−0.56
14 May 202112.62%−3.07
30 Apr 202115.69%−0.52
15 Apr 202116.21%−2.84
31 Mar 202119.05%+1.01
15 Mar 202118.04%+0.84
26 Feb 202117.20%+0.55
12 Feb 202116.65%−0.23
29 Jan 202116.88%+0.97
15 Jan 202115.91%−0.93
31 Dec 202016.84%+2.39
15 Dec 202014.45%+2.31
30 Nov 202012.14%−0.28
13 Nov 202012.42%−2.26
30 Oct 202014.68%+3.77
15 Oct 202010.91%−0.73
30 Sep 202011.64%+0.65
15 Sep 202010.99%+0.64
31 Aug 202010.35%+2.69
14 Aug 20207.66%−2.05
31 Jul 20209.71%+0.13
15 Jul 20209.58%+0.26
30 Jun 20209.32%+2.87
15 Jun 20206.45%−0.26
29 May 20206.71%−0.43
15 May 20207.14%−5.99
30 Apr 202013.13%−0.35
15 Apr 202013.48%−3.26
31 Mar 202016.74%−2.28
13 Mar 202019.02%+4.17
28 Feb 202014.85%+0.26
14 Feb 202014.59%−0.74
31 Jan 202015.33%+0.15
15 Jan 202015.18%+1.57
31 Dec 201913.61%+1.68
13 Dec 201911.93%−0.10
29 Nov 201912.03%+0.04
15 Nov 201911.99%+0.41
31 Oct 201911.58%+0.72
15 Oct 201910.86%–

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

Frequently asked questions

How shorted is KALA BIO, Inc. right now?
2.30% of KALA BIO, Inc.'s (KALA) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 2,798th 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 KALA'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 KALA's days to cover?
1.00 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.