HowShorted

How shorted is Aldeyra Therapeutics, Inc.?

More shorted than 60% of the 2,877 ranked US companies

5.69%
of shares outstanding reported short · settlement date 31 Jul 2026
vs previous report
−0.28
5 reports (~10 weeks)
−6.91
Aggregate net short position time series for Aldeyra Therapeutics, Inc.
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History

Settlement dateShort %Change
31 Jul 20265.69%−0.28
15 Jul 20265.97%−3.46
30 Jun 20269.43%−1.98
15 Jun 202611.41%−1.80
29 May 202613.21%+0.61
15 May 202612.60%+0.36
30 Apr 202612.24%+3.03
15 Apr 20269.21%+0.09
31 Mar 20269.12%−1.57
13 Mar 202610.69%+1.96
27 Feb 20268.73%−0.37
13 Feb 20269.10%+0.37
30 Jan 20268.73%+0.25
15 Jan 20268.48%+0.25
31 Dec 20258.23%−2.07
15 Dec 202510.30%+0.55
28 Nov 20259.75%+0.50
14 Nov 20259.25%+0.44
31 Oct 20258.81%+0.99
15 Oct 20257.82%−0.67
30 Sep 20258.49%−0.49
15 Sep 20258.98%+0.15
29 Aug 20258.83%+0.50
15 Aug 20258.33%−0.10
31 Jul 20258.43%–

Frequently asked questions

How shorted is Aldeyra Therapeutics, Inc. right now?
5.69% of Aldeyra Therapeutics, Inc.'s (ALDX) shares outstanding were reported short for settlement date 31 Jul 2026, per FINRA's consolidated short interest report.
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.
Which funds are short?
US public short interest is aggregate-only: individual short sellers are not named. Only some EU markets publish named positions.