Tantech (TANH) vs TOMI Environmental Solutions (TOMZ)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
TOMI Environmental Solutions (TOMZ) has outperformed Tantech (TANH) over the past year, losing 46.5% versus a loss of 81.0%. Over five years, TOMZ leads with a -62.4% price change compared with -100.0% for TANH. TOMI Environmental Solutions is the larger company by market cap ($15.1 million vs $10.9 million), about 1.4 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 | TANH | TOMZ |
|---|---|---|
| Share price | $16.31 | $1.54 |
| Market cap | $10.89M | $15.08M |
| 1-day change | -3.49% | -3.14% |
| YTD return | -66.20% | -32.05% |
| 1-year return | -81.01% | -46.46% |
| 5-year return | -99.99% | -62.41% |
| Forward P/E | — | 12.83 |
| EPS (TTM) | $-680.67 | $-0.50 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $95.00 | $3.33 |
| 52-week low | $10.05 | $1.21 |
| Distance from 52-week high | -82.83% | -53.75% |
| Average volume | 60.06K | 72.90K |
| Shares outstanding | 667.65K | 9.79M |
| Sector | Industrials | Industrials |
| Industry | Major Chemicals | Major Chemicals |
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
- TOMZ has outperformed TANH by 34.5 percentage points over the past year.
TANH vs TOMZ FAQ
Which is bigger, Tantech or TOMI Environmental Solutions?
TOMI Environmental Solutions (TOMZ) is larger, with a market capitalization of $15.08M compared with $10.89M for Tantech (TANH).
Which stock has performed better over the past year, TANH or TOMZ?
TOMZ returned -46.46% over the past 12 months, compared with -81.01% for TANH (price return, excluding dividends). Past performance does not predict future results.
Are Tantech and TOMI Environmental Solutions in the same industry?
Yes. Both are classified in the Major Chemicals industry within the Industrials sector.