Aldeyra Therapeutics (ALDX) vs Connect Biopharma (CNTB)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Connect Biopharma (CNTB) has outperformed Aldeyra Therapeutics (ALDX) over the past year, losing 46.9% versus a loss of 82.9%. Over five years, ALDX leads with a -88.5% price change compared with -94.5% for CNTB. Aldeyra Therapeutics is the larger company by market cap ($57.5 million vs $57.1 million), about 1.0 times the size.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | ALDX | CNTB |
|---|---|---|
| Share price | $0.9526 | $0.9072 |
| Market cap | $57.47M | $57.13M |
| 1-day change | -0.63% | -3.97% |
| YTD return | -81.49% | -66.50% |
| 1-year return | -82.91% | -46.93% |
| 5-year return | -88.51% | -94.50% |
| EPS (TTM) | $-0.38 | $-1.19 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $5.93 | $3.82 |
| 52-week low | $0.862 | $0.85 |
| Distance from 52-week high | -83.94% | -76.25% |
| Average volume | 1.19M | 3.83M |
| Shares outstanding | 60.33M | 62.97M |
| Sector | Health Care | Health Care |
| Industry | Biotechnology: Pharmaceutical Preparations | Biotechnology: Pharmaceutical Preparations |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- CNTB has outperformed ALDX by 36.0 percentage points over the past year.
ALDX vs CNTB FAQ
Which is bigger, Aldeyra Therapeutics or Connect Biopharma?
Aldeyra Therapeutics (ALDX) is larger, with a market capitalization of $57.47M compared with $57.13M for Connect Biopharma (CNTB).
Which stock has performed better over the past year, ALDX or CNTB?
CNTB returned -46.93% over the past 12 months, compared with -82.91% for ALDX (price return, excluding dividends). Past performance does not predict future results.
Are Aldeyra Therapeutics and Connect Biopharma in the same industry?
Yes. Both are classified in the Biotechnology: Pharmaceutical Preparations industry within the Health Care sector.