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HowShorted

How shorted is OptimizeRx Corporation? OPRX

#1,569most shorted US stockof 3,805 ranked stocks, more shorted than 58%

5.36%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
−0.81
5 reports (~10 weeks)
−0.66
days to cover
9.31
Aggregate net short position time series for OptimizeRx Corporation

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 OptimizeRx Corporation 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
12 Aug 20267.21% 31 Jul 20266.12% 14 Aug 2026−1.09
12 May 202611.53% 30 Apr 202610.73% 15 May 2026−0.80
5 Mar 20267.50% 27 Feb 20268.53% 13 Mar 2026+1.03
6 Nov 20259.40% 31 Oct 20259.09% 14 Nov 2025−0.31
7 Aug 20256.13% 31 Jul 20256.53% 15 Aug 2025+0.40
12 May 20259.90% 30 Apr 20258.88% 15 May 2025−1.02
12 Mar 20257.64% 28 Feb 20259.29% 14 Mar 2025+1.65
13 Nov 20245.22% 31 Oct 20245.74% 15 Nov 2024+0.52

Fails to deliver

The SEC's fails-to-deliver figure for OPRX: 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.

Latest balance
3
14 Sep 2026
Highest in window
24,751
6 Apr 2026
Days with a balance
76
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for OptimizeRx Corporation 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 25K shares.

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Sector: Industrials

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20265.36%−0.81
31 Aug 20266.17%+0.05
14 Aug 20266.12%−1.09
31 Jul 20267.21%−0.57
15 Jul 20267.78%+1.76
30 Jun 20266.02%−3.85
15 Jun 20269.87%+0.65
29 May 20269.22%−1.51
15 May 202610.73%−0.80
30 Apr 202611.53%−0.06
15 Apr 202611.59%+0.92
31 Mar 202610.67%+2.14
13 Mar 20268.53%+1.03
27 Feb 20267.50%−1.48
13 Feb 20268.98%+0.01
30 Jan 20268.97%+0.22
15 Jan 20268.75%−0.14
31 Dec 20258.89%−0.20
15 Dec 20259.09%−0.27
28 Nov 20259.36%+0.27
14 Nov 20259.09%−0.31
31 Oct 20259.40%+0.16
15 Oct 20259.24%0.00
30 Sep 20259.24%−0.09
15 Sep 20259.33%+2.08
29 Aug 20257.25%+0.72
15 Aug 20256.53%+0.40
31 Jul 20256.13%−0.07
15 Jul 20256.20%−1.56
30 Jun 20257.76%−0.73
13 Jun 20258.49%+0.14
30 May 20258.35%−0.53
15 May 20258.88%−1.02
30 Apr 20259.90%+0.47
15 Apr 20259.43%+0.43
31 Mar 20259.00%−0.29
14 Mar 20259.29%+1.65
28 Feb 20257.64%+0.45
14 Feb 20257.19%+0.22
31 Jan 20256.97%+0.33
15 Jan 20256.64%−0.07
31 Dec 20246.71%+0.75
13 Dec 20245.96%+0.52
29 Nov 20245.44%−0.30
15 Nov 20245.74%+0.52
31 Oct 20245.22%+0.24
15 Oct 20244.98%+0.40
30 Sep 20244.58%−0.14
13 Sep 20244.72%+0.01
30 Aug 20244.71%−0.43
15 Aug 20245.14%+0.02
31 Jul 20245.12%−0.41
15 Jul 20245.53%−0.01
28 Jun 20245.54%−0.09
14 Jun 20245.63%−0.04
31 May 20245.67%+0.63
15 May 20245.04%+0.57
30 Apr 20244.47%+1.02
15 Apr 20243.45%−0.16
28 Mar 20243.61%−0.55
15 Mar 20244.16%−0.14
29 Feb 20244.30%+0.01
15 Feb 20244.29%0.00
31 Jan 20244.29%−1.04
12 Jan 20245.33%+0.06
29 Dec 20235.27%0.00
15 Dec 20235.27%−0.06
30 Nov 20235.33%+0.25
15 Nov 20235.08%−0.16
31 Oct 20235.24%+0.51
13 Oct 20234.73%+0.33
29 Sep 20234.40%+0.33
15 Sep 20234.07%+0.31
31 Aug 20233.76%−0.47
15 Aug 20234.23%−0.07
31 Jul 20234.30%+0.12
14 Jul 20234.18%−0.13
30 Jun 20234.31%−0.53
15 Jun 20234.84%+0.62
31 May 20234.22%+0.07
15 May 20234.15%−1.02
28 Apr 20235.17%−0.20
14 Apr 20235.37%−0.88
31 Mar 20236.25%−2.03
15 Mar 20238.28%−0.42
28 Feb 20238.70%−0.56
15 Feb 20239.26%+0.26
31 Jan 20239.00%+2.08
13 Jan 20236.92%+0.20
30 Dec 20226.72%+0.56
15 Dec 20226.16%+0.23
30 Nov 20225.93%−0.68
15 Nov 20226.61%+0.50
31 Oct 20226.11%+0.04
14 Oct 20226.07%+0.63
30 Sep 20225.44%−0.09
15 Sep 20225.53%+0.20
31 Aug 20225.33%−0.63
15 Aug 20225.96%−0.75
29 Jul 20226.71%−0.98
15 Jul 20227.69%−0.35
30 Jun 20228.04%+0.95
15 Jun 20227.09%+0.38
31 May 20226.71%+0.59
13 May 20226.12%−0.22
29 Apr 20226.34%−1.47
14 Apr 20227.81%−0.49
31 Mar 20228.30%−0.82
15 Mar 20229.12%+1.18
28 Feb 20227.94%+1.27
15 Feb 20226.67%−0.10
31 Jan 20226.77%+0.08
14 Jan 20226.69%−0.51
31 Dec 20217.20%+0.24
15 Dec 20216.96%−1.24
30 Nov 20218.20%−0.05
15 Nov 20218.25%−1.36
29 Oct 20219.61%−0.17
15 Oct 20219.78%+2.55
30 Sep 20217.23%+1.21
15 Sep 20216.02%−0.19
31 Aug 20216.21%+0.57
13 Aug 20215.64%+0.65
30 Jul 20214.99%−0.39
15 Jul 20215.38%−0.11
30 Jun 20215.49%+0.26
15 Jun 20215.23%−0.18
28 May 20215.41%−0.21
14 May 20215.62%−0.17
30 Apr 20215.79%−0.15
15 Apr 20215.94%−0.08
31 Mar 20216.02%+0.74
15 Mar 20215.28%−0.49
26 Feb 20215.77%−0.39
12 Feb 20216.16%−0.65
29 Jan 20216.81%+0.26
15 Jan 20216.55%+0.44
31 Dec 20206.11%−0.32
15 Dec 20206.43%−0.79
30 Nov 20207.22%−0.57
13 Nov 20207.79%−0.34
30 Oct 20208.13%−0.22
15 Oct 20208.35%+0.25
30 Sep 20208.10%+0.25
15 Sep 20207.85%−0.23
31 Aug 20208.08%−0.37
14 Aug 20208.45%+1.39
31 Jul 20207.06%+0.09
15 Jul 20206.97%–

Newest first. Scroll inside the table for earlier dates, back to 15 Jul 2020.

Frequently asked questions

How shorted is OptimizeRx Corporation right now?
5.36% of OptimizeRx Corporation's (OPRX) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 1,569th 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 OPRX'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 OPRX's days to cover?
9.31 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.