ALDX Stock Summary and Trading Ideas (Aldeyra Therapeutics | NASDAQ:ALDX)

Aldeyra Therapeutics Inc is a biotechnology company engaged in developing and commercializing next-generation medicines to improve the lives of patients with immune-mediated and metabolic diseases. The company's product candidate, Reproxalap, is a treatment in late-stage development for dry eye disease and allergic conjunctivitis. In addition, it also has additional product candidates in development for proliferative vitreoretinopathy, primary vitreoretinal lymphoma and other retinal diseases, autoimmune disease, and cancer. Company products includes ADX248, ADX743, ADX631, ADX246, ADX629, ADX2191.

What symbol and exchange does Aldeyra Therapeutics shares trade?

Aldeyra Therapeutics trades on the NASDAQ stock market under the symbol ALDX.

What is Aldeyra Therapeutics stock price doing today?

As of December 5, 2025, ALDX stock price declined to $4.70 with 760,123 million shares trading.

What is Aldeyra Therapeutics's Beta?

ALDX has a beta of 4.90, meaning it tends to be more sensitive to market movements. ALDX has a correlation of 0.34 to the broad based SPY ETF.

How much is Aldeyra Therapeutics worth?

ALDX has a market cap of $282.76 million. This is considered a Small Cap stock.

How much money does Aldeyra Therapeutics make?

Last quarter Aldeyra Therapeutics reported $0 in Revenue and -$.13 earnings per share. This fell short of revenue expectation by $-24 million and exceeded earnings estimates by $.04.

What is the highest and lowest price Aldeyra Therapeutics traded in the last 3 year period?

In the last 3 years, ALDX traded as high as $11.97 and as low as $1.14.

What are the top ETFs holding Aldeyra Therapeutics?

The top ETF exchange traded funds that ALDX belongs to (by Net Assets): VTI, IWM, VXF, IWO, VTWO.

Is Aldeyra Therapeutics (ALDX) a good investment?

ALDX has underperformed the market in the last year with a price return of -5.1% while the SPY ETF gained +14.2%. ALDX has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -15.5% and -5.2%, respectively, while the SPY returned +6.2% and +4.0%, respectively.

What are the support and resistance levels for Aldeyra Therapeutics (ALDX)?

ALDX support price is $4.68 and resistance is $5.08 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that ALDX shares will trade within this expected range on the day.