Montauk Renewables (MNTK) vs OPAL Fuels (OPAL)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Montauk Renewables (MNTK) has outperformed OPAL Fuels (OPAL) over the past year, gaining 17.6% versus a loss of 31.1%. Over five years, MNTK leads with a -77.4% price change compared with -82.7% for OPAL. Montauk Renewables is the larger company by market cap ($370.8 million vs $310.9 million), about 1.2 times the size.
On valuation, OPAL Fuels trades at a lower forward P/E (0.9x vs 8.5x for Montauk Renewables).
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 | MNTK | OPAL |
|---|---|---|
| Share price | $2.61 | $1.78 |
| Market cap | $370.80M | $310.95M |
| 1-day change | -4.94% | +5.95% |
| YTD return | +64.07% | -28.66% |
| 1-year return | +17.60% | -31.15% |
| 5-year return | -77.39% | -82.72% |
| P/E ratio (TTM) | 43.42 | — |
| Forward P/E | 8.49 | 0.87 |
| EPS (TTM) | $0.06 | $-0.01 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $3.28 | $2.87 |
| 52-week low | $1.07 | $1.65 |
| Distance from 52-week high | -20.58% | -37.98% |
| Analyst consensus | none | hold |
| Avg. price target upside | -34.74% | +75.84% |
| Average volume | 429.28K | 252.47K |
| Shares outstanding | 142.34M | 30.29M |
| Employees | 189 | 330 |
| Sector | Utilities | Utilities |
| Industry | Natural Gas Distribution | Natural Gas Distribution |
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
- MNTK has outperformed OPAL by 48.7 percentage points over the past year.
About Montauk Renewables
MNTK stock →Montauk Renewables, Inc., a renewable energy company, engages in recovery and processing of biogas from landfills and other non-fossil fuel sources. It operates in two segments, Renewable Natural Gas and Renewable Electricity Generation.
Utilities · Natural Gas Distribution · 189 employees
About OPAL Fuels
OPAL stock →OPAL Fuels Inc. together with its subsidiaries, engages in the production and distribution of renewable natural gas (RNG) for use as a vehicle fuel for heavy and medium-duty trucking fleets throughout the United States.
Utilities · Natural Gas Distribution · 330 employees
MNTK vs OPAL FAQ
Which is bigger, Montauk Renewables or OPAL Fuels?
Montauk Renewables (MNTK) is larger, with a market capitalization of $370.80M compared with $310.95M for OPAL Fuels (OPAL).
Which stock has performed better over the past year, MNTK or OPAL?
MNTK returned +17.60% over the past 12 months, compared with -31.15% for OPAL (price return, excluding dividends). Past performance does not predict future results.
Are Montauk Renewables and OPAL Fuels in the same industry?
Yes. Both are classified in the Natural Gas Distribution industry within the Utilities sector.