Nephros (NEPH) vs Precision Optics (POCI)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Precision Optics (POCI) has outperformed Nephros (NEPH) over the past year, gaining 7.2% versus a loss of 36.2%. Over five years, POCI leads with a -29.3% price change compared with -57.6% for NEPH. Precision Optics is the larger company by market cap ($50.3 million vs $38.3 million), about 1.3 times the size.
On valuation, Nephros trades at a lower forward P/E (16.8x vs 152.7x for Precision Optics).
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 | NEPH | POCI |
|---|---|---|
| Share price | $3.53 | $4.58 |
| Market cap | $38.34M | $50.26M |
| 1-day change | +7.29% | -1.82% |
| YTD return | -32.58% | +11.34% |
| 1-year return | -36.24% | +7.24% |
| 5-year return | -57.60% | -29.32% |
| P/E ratio (TTM) | 23.53 | — |
| Forward P/E | 16.81 | 152.67 |
| EPS (TTM) | $0.15 | $-0.43 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $6.42 | $6.15 |
| 52-week low | $2.66 | $3.55 |
| Distance from 52-week high | -45.02% | -25.53% |
| Analyst consensus | none | strong_buy |
| Avg. price target upside | +77.05% | +74.67% |
| Average volume | 27.59K | 51.88K |
| Shares outstanding | 10.86M | 10.97M |
| Employees | 36 | 108 |
| Sector | Health Care | Health Care |
| Industry | Medical/Dental Instruments | Biotechnology: Electromedical & Electrotherapeutic Apparatus |
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
- POCI has outperformed NEPH by 43.5 percentage points over the past year.
About Nephros
NEPH stock →Nephros, Inc., a commercial-stage company, develops and sells water filtration solutions for medical and commercial applications in the United States. It offers ultrafiltration products that are used in dialysis centers for the removal of biological contaminants from water and bicarbonate concentrate; and in hospitals for the prevention of infection from waterborne pathogens, such as legionella and pseudomonas, as well as in foodservice and hospitality, and other healthcare facilities.
Health Care · Medical/Dental Instruments · 36 employees
About Precision Optics
POCI stock →Precision Optics Corporation, Inc. designs, develops, manufactures, and sells specialized optical and illumination systems and related components primarily in the United States.
Health Care · Biotechnology: Electromedical & Electrotherapeutic Apparatus · 108 employees
NEPH vs POCI FAQ
Which is bigger, Nephros or Precision Optics?
Precision Optics (POCI) is larger, with a market capitalization of $50.26M compared with $38.34M for Nephros (NEPH).
Which stock has performed better over the past year, NEPH or POCI?
POCI returned +7.24% over the past 12 months, compared with -36.24% for NEPH (price return, excluding dividends). Past performance does not predict future results.
Are Nephros and Precision Optics in the same industry?
Both are in the Health Care sector, but in different industries: Medical/Dental Instruments for Nephros and Biotechnology: Electromedical & Electrotherapeutic Apparatus for Precision Optics.