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Aldeyra Therapeutics, Inc. (ALDX)

Healthcare | Biotechnology | Lexington, United States | NasdaqCM
1.93 USD -0.14 (-6.763%) ⇩ (July 13, 2026, 4 p.m. EDT)
After hours: 1.93

Short-term:★★⯪☆☆Long-term:★★⯪☆☆Dividends:☆☆☆☆☆
Hot Take | July 11, 2026, 6:17 a.m. EDT

The investment case for Aldeyra Therapeutics is currently defined by a stark disconnect between aggressive insider buying and deteriorating clinical realities. While the CEO and other directors have recently purchased significant amounts of stock, signaling strong internal conviction, this optimism clashes directly with the latest news of the FDA questioning trial results for their flagship dry eye drug. This regulatory headwind creates a material execution risk that cannot be ignored. Fundamentally, the company remains in a precarious burn phase. With negative free cash flow, negative operating cash flow, and a trailing P/E that is effectively meaningless due to losses, the business relies entirely on capital markets to fund operations. The balance sheet, while showing a positive current ratio, masks the reality of a company consuming cash rapidly without revenue generation. Technically, the stock has underperformed significantly over the trailing twelve months, trading well below its 200-day average, which reflects the market's skepticism regarding the stalled pipeline. The recent price action shows some volatility but lacks a confirmed trend reversal. The options market tells a different story, with traders aggressively betting on a breakout to the upside, likely anticipating a binary event such as a new trial reading or a partnership deal. However, this speculative fervure is priced into a low-liquidity environment where such bets can easily go wrong. Given the combination of regulatory uncertainty, cash burn, and the absence of a proven product, the risk-reward profile does not support a strong buy recommendation yet. Investors should wait for clearer evidence that the FDA concerns are resolved and the path to profitability is secured before committing capital.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoTheta ✓0.087379
AutoETS0.087497
AutoARIMA0.089372
MSTL_1260.108636
MSTL0.109646
MSTL_900.140120
MSTL_90_1260.221282

Forecast horizon: 60 days | Selected: AutoTheta

Forecast Reliability
Score 24%
H-stat 3.34
Ljung-Box p 0.000
Jarque-Bera p 0.009
Excess Kurtosis 0.28
Attribute Value
Sector Healthcare
Debt to Equity Ratio 36.798
Market Cap 116,419,656
Forward P/E -9.65
Beta 1.15
Website https://www.aldeyra.com

As of July 11, 2026, 6:17 a.m. EDT: Options activity shows a distinct bullish skew with heavy open interest in out-of-the-money calls (strikes $2.50 and $3.00) relative to puts, suggesting speculators are positioning for a significant upside move. However, implied volatility is extremely compressed (often near zero for deep OTM strikes), indicating a lack of liquidity and potential for sharp price dislocations. The massive volume spike at the $2.50 strike suggests a specific target price for near-term catalysts, while the near-absence of put volume implies sellers are not hedging against downside risk.


Info Dump

Attribute Value
52 Week Change -0.5868263
Address1 131 Hartwell Avenue
Address2 Suite 320
All Time High 16.7
All Time Low 1.07
Ask 2.45
Ask Size 2
Audit Risk 9
Average Analyst Rating 1.5 - Strong Buy
Average Daily Volume10 Day 2,548,890
Average Daily Volume3 Month 1,403,550
Average Volume 1,403,550
Average Volume10Days 2,548,890
Beta 1.152
Bid 1.48
Bid Size 2
Board Risk 8
Book Value 0.699
City Lexington
Compensation As Of Epoch Date 1,767,139,200
Compensation Risk 7
Country United States
Crypto Tradeable 0
Currency USD
Current Price 1.93
Current Ratio 2.724
Custom Price Alert Confidence HIGH
Date Short Interest 1,782,777,600
Day High 2.06
Day Low 1.9001
Debt To Equity 36.798
Display Name Aldeyra Therapeutics
Earnings Timestamp End 1,786,046,400
Earnings Timestamp Start 1,786,046,400
Ebitda -28,126,984
Ebitda Margins 0.0
Enterprise To Ebitda -2.38
Enterprise Value 66,930,124
Eps Current Year -0.3
Eps Forward -0.2
Eps Trailing Twelve Months -0.42
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 1.8094
Fifty Day Average Change 0.120599985
Fifty Day Average Change Percent 0.066651925
Fifty Two Week Change Percent -58.682632
Fifty Two Week High 6.175
Fifty Two Week High Change -4.2450004
Fifty Two Week High Change Percent -0.68744946
Fifty Two Week Low 1.07
Fifty Two Week Low Change 0.8599999
Fifty Two Week Low Change Percent 0.8037382
Fifty Two Week Range 1.07 - 6.175
Financial Currency USD
First Trade Date Milliseconds 1,399,037,400,000
Float Shares 52,675,373
Forward Eps -0.2
Forward P E -9.65
Free Cashflow -19,602,224
Full Exchange Name NasdaqCM
Full Time Employees 7
Gmt Off Set Milliseconds -14,400,000
Governance Epoch Date 1,782,864,000
Gross Margins 0.0
Has Pre Post Market Data 1
Held Percent Insiders 0.03597
Held Percent Institutions 0.62763
Implied Shares Outstanding 60,321,068
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 116,419,656
Market State PREPRE
Max Age 86,400
Message Board Id finmb_47399863
Most Recent Quarter 1,774,915,200
Net Income To Common -27,369,780
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 124,822,386
Number Of Analyst Opinions 6
Open 2.03
Operating Cashflow -25,986,072
Operating Margins 0.0
Overall Risk 8
Payout Ratio 0.0
Phone 781 761 4904
Post Market Change 0.0
Post Market Change Percent 0.0
Post Market Price 1.93
Post Market Time 1,783,981,119
Previous Close 2.07
Price Eps Current Year -6.433333
Price Hint 4
Price To Book 2.7610872
Profit Margins 0.0
Quick Ratio 2.672
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key strong_buy
Recommendation Mean 1.5
Region US
Regular Market Change -0.14
Regular Market Change Percent -6.76328
Regular Market Day High 2.06
Regular Market Day Low 1.9001
Regular Market Day Range 1.9001 - 2.06
Regular Market Open 2.03
Regular Market Previous Close 2.07
Regular Market Price 1.93
Regular Market Time 1,783,972,801
Regular Market Volume 1,375,789
Return On Assets -0.22219999
Return On Equity -0.51761
Sand P52 Week Change 0.20847368
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Share Holder Rights Risk 8
Shares Outstanding 60,321,068
Shares Percent Shares Out 0.0941
Shares Short 5,675,750
Shares Short Previous Month Date 1,780,012,800
Shares Short Prior Month 7,950,344
Short Name Aldeyra Therapeutics, Inc.
Short Percent Of Float 0.097200006
Short Ratio 3.4
Source Interval 15
State MA
Symbol ALDX
Target High Price 13.0
Target Low Price 2.0
Target Mean Price 7.16667
Target Median Price 7.0
Total Cash 65,002,304
Total Cash Per Share 1.078
Total Debt 15,512,769
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -0.42
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 3.744475
Two Hundred Day Average Change -1.8144749
Two Hundred Day Average Change Percent -0.48457393
Type Disp Equity
Volume 1,375,789
Website https://www.aldeyra.com
Zip 2,421