AMRC vs MNTK: Correlation
Measured on weekly returns over the past three years, Ameresco, Inc. (AMRC) and Montauk Renewables, Inc. (MNTK) carry a correlation of 0.43, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMRC and MNTK?
On 3 years of weekly data the AMRC/MNTK correlation comes out at 0.43, moderate. The past 12 months show a weaker link (0.16) than the 3-year average (0.43). The 5-year figure is 0.37, and annualized covariance runs at 2407.4 %².
By 3-year correlation, MNTK places #9 of the 18 assets tracked against AMRC. The trailing year gives AMRC the advantage: -6.6% versus -17.8%, a 11.2-point spread.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
AMRC vs MNTK: side by side
| AMRC (Ameresco, Inc.) | MNTK (Montauk Renewables, Inc.) | |
|---|---|---|
| 1-year return | -6.6% | -17.8% |
| 5-year return | -66.7% | -78.7% |
| Volatility (ann.) | 74.9% | 74.0% |
| Beta vs S&P 500 | 1.78 | 1.62 |
| Max drawdown (3Y) | -81.5% | -89.6% |
| Market cap | $1.2B | $0.3B |
| P/E (trailing) | 43.2 | 36.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AMRC | MNTK |
|---|---|---|
| 2022 | -29.8% | +7.6% |
| 2023 | -44.6% | -19.2% |
| 2024 | -25.9% | -55.3% |
| 2025 | +24.7% | -58.0% |
| 2026 | -21.8% | +7.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMRC and MNTK good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between AMRC and MNTK?
The AMRC/MNTK correlation stands at 0.43 on a 3-year window (1 year: 0.16, 5 years: 0.37), computed from weekly returns as of 2026-08-27.
Is MNTK a good diversifier for AMRC?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.43 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/amrc-vs-mntk.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/amrc-vs-mntk/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AMRC correlations · MNTK correlations