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HowShorted

How shorted is NovoCure Limited? NVCR

#660most shorted US stockof 3,805 ranked stocks, more shorted than 82%

10.13%
of shares outstanding reported short ยท settlement date 15 Sep 2026
vs previous report
+0.86
5 reports (~10 weeks)
โˆ’0.13
days to cover
11.48
Aggregate net short position time series for NovoCure Limited

Markers along the chart's base: โ–ฒ results announced (an 8-K reporting results was filed) โ–ฒ 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 NovoCure Limited 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
23 Jul 20269.89% 15 Jul 20268.71% 31 Jul 2026โˆ’1.18
30 Apr 20267.78% 15 Apr 20267.37% 15 May 2026โˆ’0.41
26 Feb 20267.95% 13 Feb 20268.15% 27 Feb 2026+0.20
12 Jan 20267.44% 31 Dec 20256.64% 15 Jan 2026โˆ’0.80
30 Oct 20254.69% 15 Oct 20255.10% 31 Oct 2025+0.41
24 Jul 20254.42% 15 Jul 20254.67% 31 Jul 2025+0.25
24 Apr 20254.75% 15 Apr 20254.88% 30 Apr 2025+0.13
27 Feb 20254.81% 14 Feb 20254.82% 28 Feb 2025+0.01

Fails to deliver

The SEC's fails-to-deliver figure for NVCR: 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
12,072
11 Sep 2026
Highest in window
52,177
4 Aug 2026
Days with a balance
39
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for NovoCure Limited 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 52K shares.

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Sector: Healthcare

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 202610.13%+0.86
31 Aug 20269.27%+1.40
14 Aug 20267.87%โˆ’0.84
31 Jul 20268.71%โˆ’1.18
15 Jul 20269.89%โˆ’0.37
30 Jun 202610.26%+1.93
15 Jun 20268.33%+0.43
29 May 20267.90%+0.53
15 May 20267.37%+1.35
30 Apr 20266.02%โˆ’1.76
15 Apr 20267.78%โˆ’0.31
31 Mar 20268.09%+0.48
13 Mar 20267.61%โˆ’0.54
27 Feb 20268.15%+0.20
13 Feb 20267.95%+0.83
30 Jan 20267.12%+0.48
15 Jan 20266.64%โˆ’0.80
31 Dec 20257.44%+1.24
15 Dec 20256.20%+0.10
28 Nov 20256.10%+0.77
14 Nov 20255.33%+0.23
31 Oct 20255.10%+0.41
15 Oct 20254.69%โˆ’0.45
30 Sep 20255.14%โˆ’0.13
15 Sep 20255.27%โˆ’0.07
29 Aug 20255.34%+0.41
15 Aug 20254.93%+0.26
31 Jul 20254.67%+0.25
15 Jul 20254.42%โˆ’0.27
30 Jun 20254.69%+0.25
13 Jun 20254.44%+0.28
30 May 20254.16%โˆ’0.68
15 May 20254.84%โˆ’0.04
30 Apr 20254.88%+0.13
15 Apr 20254.75%โˆ’0.26
31 Mar 20255.01%+0.02
14 Mar 20254.99%+0.17
28 Feb 20254.82%+0.01
14 Feb 20254.81%+0.22
31 Jan 20254.59%+0.09
15 Jan 20254.50%โˆ’0.49
31 Dec 20244.99%+0.19
13 Dec 20244.80%โˆ’0.41
29 Nov 20245.21%โˆ’0.03
15 Nov 20245.24%โˆ’0.26
31 Oct 20245.50%+0.16
15 Oct 20245.34%+0.27
30 Sep 20245.07%โˆ’0.57
13 Sep 20245.64%โˆ’0.12
30 Aug 20245.76%โˆ’0.23
15 Aug 20245.99%โˆ’1.03
31 Jul 20247.02%+0.50
15 Jul 20246.52%+0.77
28 Jun 20245.75%+0.56
14 Jun 20245.19%+0.10
31 May 20245.09%โˆ’0.15
15 May 20245.24%0.00
30 Apr 20245.24%โˆ’0.41
15 Apr 20245.65%+0.96
28 Mar 20244.69%โˆ’0.50
15 Mar 20245.19%โˆ’0.09
29 Feb 20245.28%โˆ’0.46
15 Feb 20245.74%+0.34
31 Jan 20245.40%โˆ’1.11
12 Jan 20246.51%+0.03
29 Dec 20236.48%โˆ’0.19
15 Dec 20236.67%โˆ’0.79
30 Nov 20237.46%โˆ’0.39
15 Nov 20237.85%โˆ’0.50
31 Oct 20238.35%+0.47
13 Oct 20237.88%+0.21
29 Sep 20237.67%+0.56
15 Sep 20237.11%โˆ’1.53
31 Aug 20238.64%โˆ’0.16
15 Aug 20238.80%+0.49
31 Jul 20238.31%โˆ’0.05
14 Jul 20238.36%+0.16
30 Jun 20238.20%+0.29
15 Jun 20237.91%+0.30
31 May 20237.61%โˆ’0.09
15 May 20237.70%+0.43
28 Apr 20237.27%โˆ’0.23
14 Apr 20237.50%+0.14
31 Mar 20237.36%โˆ’0.24
15 Mar 20237.60%โˆ’0.70
28 Feb 20238.30%+0.27
15 Feb 20238.03%+0.35
31 Jan 20237.68%+0.28
13 Jan 20237.40%โˆ’0.18
30 Dec 20227.58%+0.18
15 Dec 20227.40%โˆ’0.31
30 Nov 20227.71%โˆ’0.10
15 Nov 20227.81%โˆ’0.10
31 Oct 20227.91%+0.31
14 Oct 20227.60%+0.39
30 Sep 20227.21%+0.02
15 Sep 20227.19%+0.20
31 Aug 20226.99%+0.36
15 Aug 20226.63%+0.16
29 Jul 20226.47%โˆ’0.09
15 Jul 20226.56%+0.12
30 Jun 20226.44%โˆ’0.81
15 Jun 20227.25%โˆ’0.52
31 May 20227.77%โˆ’0.02
13 May 20227.79%+0.33
29 Apr 20227.46%+0.31
14 Apr 20227.15%โˆ’0.04
31 Mar 20227.19%+0.19
15 Mar 20227.00%+0.09
28 Feb 20226.91%+0.02
15 Feb 20226.89%+0.54
31 Jan 20226.35%+0.30
14 Jan 20226.05%+0.46
31 Dec 20215.59%0.00
15 Dec 20215.59%โˆ’0.25
30 Nov 20215.84%+0.31
15 Nov 20215.53%+0.40
29 Oct 20215.13%โˆ’0.02
15 Oct 20215.15%โˆ’0.09
30 Sep 20215.24%+0.04
15 Sep 20215.20%โˆ’0.01
31 Aug 20215.21%+0.03
13 Aug 20215.18%+0.15
30 Jul 20215.03%+0.10
15 Jul 20214.93%+0.01
30 Jun 20214.92%โˆ’0.29
15 Jun 20215.21%+0.30
28 May 20214.91%+0.11
14 May 20214.80%+0.09
30 Apr 20214.71%โˆ’0.06
15 Apr 20214.77%+0.13
31 Mar 20214.64%+0.29
15 Mar 20214.35%โˆ’0.17
26 Feb 20214.52%โˆ’0.04
12 Feb 20214.56%โˆ’0.25
29 Jan 20214.81%โˆ’0.34
15 Jan 20215.15%โˆ’0.12
31 Dec 20205.27%โˆ’0.51
15 Dec 20205.78%+0.88
30 Nov 20204.90%โˆ’0.15
13 Nov 20205.05%+1.01
30 Oct 20204.04%โˆ’0.57
15 Oct 20204.61%โˆ’0.66
30 Sep 20205.27%+1.54
15 Sep 20203.73%+0.48
31 Aug 20203.25%+0.19
14 Aug 20203.06%+0.01
31 Jul 20203.05%โˆ’0.08
15 Jul 20203.13%โˆ’0.23
30 Jun 20203.36%โˆ’0.69
15 Jun 20204.05%+0.34
29 May 20203.71%โˆ’0.23
15 May 20203.94%0.00
30 Apr 20203.94%โˆ’0.14
15 Apr 20204.08%+0.11
31 Mar 20203.97%โˆ’0.08
13 Mar 20204.05%+0.14
28 Feb 20203.91%โˆ’0.03
14 Feb 20203.94%โˆ’0.05
31 Jan 20203.99%โˆ’0.16
15 Jan 20204.15%+0.21
31 Dec 20193.94%+0.15
13 Dec 20193.79%+0.08
29 Nov 20193.71%+0.02
15 Nov 20193.69%โˆ’0.02
31 Oct 20193.71%โˆ’0.39
15 Oct 20194.10%โˆ’0.39
30 Sep 20194.49%โˆ’0.36
13 Sep 20194.85%โˆ’0.67
30 Aug 20195.52%+0.44
15 Aug 20195.08%โˆ’0.30
31 Jul 20195.38%+0.25
15 Jul 20195.13%+0.71
28 Jun 20194.42%+0.47
14 Jun 20193.95%+0.12
31 May 20193.83%+0.12
15 May 20193.71%โˆ’0.11
30 Apr 20193.82%โˆ’0.28
15 Apr 20194.10%โˆ’0.23
29 Mar 20194.33%0.00
15 Mar 20194.33%+0.17
28 Feb 20194.16%+0.37
15 Feb 20193.79%โˆ’0.12
31 Jan 20193.91%+0.17
15 Jan 20193.74%+0.53
31 Dec 20183.21%โˆ’0.51
14 Dec 20183.72%+0.65
30 Nov 20183.07%โˆ’0.36
15 Nov 20183.43%โˆ’0.21
31 Oct 20183.64%+0.06
15 Oct 20183.58%+0.02
28 Sep 20183.56%+0.07
14 Sep 20183.49%+0.30
31 Aug 20183.19%โˆ’0.24
15 Aug 20183.43%0.00
31 Jul 20183.43%โˆ’0.60
13 Jul 20184.03%โˆ’0.08
29 Jun 20184.11%+0.68
15 Jun 20183.43%+0.03
31 May 20183.40%โˆ’0.30
15 May 20183.70%+0.48
30 Apr 20183.22%โˆ’0.62
13 Apr 20183.84%โˆ’0.18
29 Mar 20184.02%โˆ’0.16
15 Mar 20184.18%โˆ’0.09
28 Feb 20184.27%โˆ’0.03
15 Feb 20184.30%+0.34
31 Jan 20183.96%โˆ’0.01
12 Jan 20183.97%+0.05
29 Dec 20173.92%โ€“

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

Frequently asked questions

How shorted is NovoCure Limited right now?
10.13% of NovoCure Limited's (NVCR) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 660th 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 NVCR'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 NVCR's days to cover?
11.48 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.