Skip to main content
ALDX logo

ALDX · Aldeyra Therapeutics, Inc.

Track ALDX — free
$1.56 +0.00 (+0.00%) At close · Aug 17
Market Cap
$94.11M
Shares
60.33M

Price & Indicators

20d MA 50d MA 200d MA Earnings Filing Insider Congress Investor day
Close$1.56 Open$1.55 Day$1.53–1.58 52W close$1.24–5.89 Avg vol 30d1.2M Short int3.4M · 5.7% float · 3.1d Short vol18% Last earningsMay 4, 2023 DataJan 2020–Aug 2026 Filing10-Q · Aug 6

Up next

FQ3-26 quarter ends
~Sep 30, 2026 Est
filed Aug 6, 2026

Equibles Rating

blended score · not investment advice
Overall
Sell
SellHoldBuy
Technical Sell Momentum Very Weak Sentiment Neutral Fundamentals Strong Quant / Vol Very High
Market backdrop VIX 14.3 · calm Equity put/call 0.52
Technical
price trend
Sell
50 / 200-day cross No cross
Price vs 200-day avg −52%
below
Price vs 50-day avg −13%
below
RSI (14) 44
neutral
MACD trend Positive
52-week position 7%
near low
Volume (OBV) Confirms
volume backs price
Momentum
relative strength
Very Weak
1-month return −8%
trailing
6-month return −70%
trailing
YTD return −70%
this year
Relative strength −82%
vs S&P · 6-mo
Sentiment
smart money
Neutral
Trend (MA cross) No cross
50d $2 › 200d $3 — 200d above 50d
Institutional flow Distributing
-16% holders QoQ · +19 funds added
Insider flow Accumulating
Net +$418.5K over 90 days · 0% sells
Short interest Falling
5.68% of float · ▼ -4.7% MoM · 3.1 days cover
Volume signal Normal
Volume near normal
Institution breadth Steady
108 holders — mid 3-yr range
Squeeze score 56
elevated · 0–100
Fundamentals
Strong
EPS growth +40%
Y/Y
Free cash flow $-33.3M
Balance sheet $54.8M
net cash
Quant / Vol
risk profile
Very High
Volatility 112%
annualized · 1-yr
Max drawdown −79%
past year
ATR 7.0%
of price · 14-day

Blended from price, momentum, positioning, fundamentals & volatility · daily-close · not investment advice. Market backdrop is context, not part of the score.

Technicals

trend & momentum for long-term holders Sell
3 · 3 · 1
50 / 200-day cross
No cross Neutral
Price vs 200-day avg
−52% Bearish
Price vs 50-day avg
−13% Bearish
RSI (14)
44 Neutral
MACD trend
Positive Bullish
52-week position
7% Bearish
Volume (OBV)
Confirms Neutral
Market signals — smart money & positioning
Bullish · 2 of 6
Trend (MA cross) No cross
50d $2 › 200d $3 — 200d above 50d
Institutional flow Distributing
-16% holders QoQ · +19 funds added
Insider flow Accumulating
Net +$418.5K over 90 days · 0% sells
Short interest Falling
5.68% of float · ▼ -4.7% MoM · 3.1 days cover
Volume signal Normal
Volume near normal
Institution breadth Steady
108 holders — mid 3-yr range
Price context
position in its 52-week range
Range low $1 Now $2 · 7% Range high $6
vs 200-day avg -52% vs 50-day avg -13%

Illustrative technical + ownership context — a signal mix, not investment advice.

Versus peers

Biotechnology — same industry group
Open screener →
Company Mkt cap YTD Rev growth Y/Y P/E Short % shares
ALDX
Aldeyra Therapeutics, Inc.
this stock
$94.11M -69.9% 5.7%
ONC
BeOne Medicines Ltd.
$513.62B +19.3% +22179.2% 789.7 0.1%
VRTX
Vertex Pharmaceuticals Inc / Ma
$128.19B +13.7% +46.2% 29.5 1.6%
REGN
Regeneron Pharmaceuticals, Inc.
$82.72B +4.4% +20.8% 19.9 3.3%
ARGX
Argenx SE
$52.94B +17.5% 2.1%

Peers by industry group · P/E from as-reported trailing EPS · short % is of shares outstanding

At a glance

key data from every section
Ownership
Institutional Holders Reducing
Holders
108
% held
61.7%
Net QoQ
-1.1M sh
Top holder
Knoll Capital Management,…
Held Float
View
Held by Funds
Fund positions
108
View
Short & Settlement
Short Interest Falling
Shares short
3.4M
Days to cover
3.1d
Change
-170.4K sh
View
Short Volume
Short vol %
18%
As of
Aug 17, 2026
Short Total
View
Fails to Deliver
FTD shares
3.9K
Value
$6.2K
As of
Jul 31, 2026
View
Off-Exchange
Off-exchange %
49.6%
Week of
Jul 13, 2026
Off-exch Lit
View
Smart Money
Insider Trades Net buying
Net (90d)
+$418.5K
Buyers / Sellers
1 / 0
Buyers Sellers
View
Financials
Financials
Net income (FY)
$-33.8M
EPS diluted
$-0.56
View
Filings
SEC Filings
Latest
10-Q
Filed
Aug 6, 2026
This year
12
View
Proposed Sales
Value
$116.1K
Shares
22.1K
Filed
Aug 12, 2025
View
Earnings & Events
Earnings Calls
Last call
Jun 4, 2026
View

Performance

5D 20D 120D MTD YTD
ALDX +3.3% -8.2% -70.1% +1.3% -69.9%
SPY -0.1% +4.1% +12.4% +3.4% +13.3%
vs SPY +3.4% -12.4% -82.5% -2.1% -83.2%
Key facts CIK 1341235 CUSIP 01438T106 13F (30d) 108 filings 99 filers Visit website Investor relations