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Aldeyra Therapeutics, Inc. (ALDX)

Healthcare | Biotechnology | Lexington, United States | NasdaqCM
1.80 USD
After hours: 1.80 0.00 (0.000%) ⇩ (April 17, 2026, 7:57 p.m. EDT)

Short-term: ★★★☆☆ | Long-term: ★★☆☆☆ | Dividends: ☆☆☆☆☆
Hot Take | April 19, 2026, 12:16 a.m. EDT

Disappointing fundamentals met with aggressive call buying signals a 'dead cat' bounce or a forced credit play rather than organic momentum. Prices are trading 50% below their 50-day average with negative earnings, making it a high-risk trap unless there is a hidden catalyst. The $1.80 price is likely a resistance ceiling formed by short-term traders hitting targets, with no immediate margin of safety for long-term capital. Avoid for long-term hold; only for speculative momentum trades with tight stops.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoARIMA ✓0.484163
AutoTheta0.509794
AutoETS0.530482
MSTL0.536920

Forecast horizon: 45 days | Selected: AutoARIMA

Forecast Reliability
Score 34%
H-stat 300.63
Ljung-Box p 0.000
Jarque-Bera p 0.034
Excess Kurtosis -1.76
Attribute Value
Sector Healthcare
Debt to Equity Ratio 35.096
Market Cap 108,329,008
Forward P/E -6.99
Beta 1.33
Website https://www.aldeyra.com

As of April 19, 2026, 12:16 a.m. EDT: Options flow shows a significant bullish bias. July-September expirations have massive equity flow into calls (especially the $10 strike with 280 volume, +455% spike), while put activity is subdued. Despite higher implied volatility (IV) for near-term calls, the positioning of speculators is heavily skewed toward upside protection or leveraged gains at higher strikes. The ATM IV for calls is relatively low compared to historical averages in other biotech contexts, suggesting smart money is paying up for upside exposure rather than waiting for a IV spike to sell.


Info Dump

Attribute Value
52 Week Change -0.1964286
Address1 131 Hartwell Avenue
Address2 Suite 320
All Time High 16.7
All Time Low 1.07
Ask 2.31
Ask Size 2
Audit Risk 8
Average Daily Volume10 Day 1,754,140
Average Daily Volume3 Month 3,017,238
Average Volume 3,017,238
Average Volume10Days 1,754,140
Beta 1.329
Bid 1.32
Bid Size 2
Board Risk 8
Book Value 0.736
City Lexington
Compensation As Of Epoch Date 1,735,603,200
Compensation Risk 7
Country United States
Crypto Tradeable 0
Currency USD
Current Price 1.8
Current Ratio 2.581
Custom Price Alert Confidence HIGH
Date Short Interest 1,774,915,200
Day High 1.86
Day Low 1.79
Debt To Equity 35.096
Display Name Aldeyra Therapeutics
Earnings Timestamp End 1,778,875,200
Earnings Timestamp Start 1,778,875,200
Ebitda -35,013,212
Ebitda Margins 0.0
Enterprise To Ebitda -1.537
Enterprise Value 53,817,924
Eps Current Year -0.40333
Eps Forward -0.2575
Eps Trailing Twelve Months -0.56
Esg Populated 0
Exchange NCM
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fax 339 674 6495
Fifty Day Average 3.5512
Fifty Day Average Change -1.7512
Fifty Day Average Change Percent -0.49312907
Fifty Two Week Change Percent -19.64286
Fifty Two Week High 6.175
Fifty Two Week High Change -4.375
Fifty Two Week High Change Percent -0.708502
Fifty Two Week Low 1.07
Fifty Two Week Low Change 0.7299999
Fifty Two Week Low Change Percent 0.6822429
Fifty Two Week Range 1.07 - 6.175
Financial Currency USD
First Trade Date Milliseconds 1,399,037,400,000
Float Shares 48,559,681
Forward Eps -0.2575
Forward P E -6.990291
Free Cashflow -21,461,964
Full Exchange Name NasdaqCM
Full Time Employees 8
Gmt Off Set Milliseconds -14,400,000
Governance Epoch Date 1,775,001,600
Gross Margins 0.0
Has Pre Post Market Data 1
Held Percent Insiders 0.03201
Held Percent Institutions 0.65759003
Implied Shares Outstanding 60,182,783
Industry Biotechnology
Industry Disp Biotechnology
Industry Key biotechnology
Is Earnings Date Estimate 1
Language en-US
Last Fiscal Year End 1,767,139,200
Long Business Summary Aldeyra Therapeutics, Inc., a biotechnology company, discovers and develops therapies designed to treat immune-mediated diseases. Its lead product candidate is reproxalap, a reactive aldehyde species (RASP) modulator, which is in Phase III clinical trial for the treatment of dry eye disease and allergic conjunctivitis; and ADX-2191, a dihydrofolate reductase inhibitor for the treatment of primary vitreoretinal lymphoma and retinitis pigmentosa. The company also develops ADX-629, an orally administered RASP modulator that is in Phase 2 clinical trials for the treatment of COVID-19, atopic asthma, psoriasis, and alcohol intoxication. In addition, it develops preclinical RASP platforms, including ADX 248, ADX 246, and other novel RASP modulators for the treatment of various diseases associated with RASP. The company was formerly known as Aldexa Therapeutics, Inc. and changed its name to Aldeyra Therapeutics, Inc. in March 2014. Aldeyra Therapeutics, Inc. was incorporated in 2004 and is based in Lexington, Massachusetts.
Long Name Aldeyra Therapeutics, Inc.
Market us_market
Market Cap 108,329,008
Market State CLOSED
Max Age 86,400
Message Board Id finmb_47399863
Most Recent Quarter 1,767,139,200
Net Income To Common -33,846,660
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 108,930,835
Number Of Analyst Opinions 6
Open 1.85
Operating Cashflow -33,345,682
Operating Margins 0.0
Overall Risk 8
Payout Ratio 0.0
Phone 781 761 4904
Post Market Change -0.000099897385
Post Market Change Percent -0.005549855
Post Market Price 1.7999
Post Market Time 1,776,470,274
Previous Close 1.8
Price Eps Current Year -4.4628468
Price Hint 4
Price To Book 2.445652
Profit Margins 0.0
Quick Ratio 2.519
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key none
Region US
Regular Market Change 0.0
Regular Market Change Percent 0.0
Regular Market Day High 1.86
Regular Market Day Low 1.79
Regular Market Day Range 1.79 - 1.86
Regular Market Open 1.85
Regular Market Previous Close 1.8
Regular Market Price 1.8
Regular Market Time 1,776,456,001
Regular Market Volume 1,291,166
Return On Assets -0.24952
Return On Equity -0.58733004
Sand P52 Week Change 0.38150132
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Share Holder Rights Risk 8
Shares Outstanding 60,182,782
Shares Percent Shares Out 0.0912
Shares Short 5,491,622
Shares Short Previous Month Date 1,772,150,400
Shares Short Prior Month 5,253,462
Short Name Aldeyra Therapeutics, Inc.
Short Percent Of Float 0.094
Short Ratio 0.86
Source Interval 15
State MA
Symbol ALDX
Target High Price 13.0
Target Low Price 2.0
Target Mean Price 7.5
Target Median Price 8.0
Total Cash 70,041,256
Total Cash Per Share 1.164
Total Debt 15,530,169
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -0.56
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 4.731075
Two Hundred Day Average Change -2.9310749
Two Hundred Day Average Change Percent -0.61953676
Type Disp Equity
Volume 1,291,166
Website https://www.aldeyra.com
Zip 2,421