MNTK vs. NWE

Last updated Apr 2, 2026

Compare and contrast key facts about Montauk Renewables, Inc. (MNTK) and NorthWestern Corporation (NWE).

Performance

MNTK vs. NWE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Montauk Renewables, Inc. (MNTK) and NorthWestern Corporation (NWE). The values are adjusted to include any dividend payments, if applicable.

MNTK vs. NWE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
MNTK Montauk Renewables, Inc.	-32.34%	-58.04%	-55.33%	-19.22%	7.61%	-12.62%
NWE NorthWestern Corporation	3.95%	26.40%	10.51%	-10.12%	8.49%	7.41%

Fundamentals

Market Cap MNTK : $161.68M NWE : $4.12B
EPS MNTK : $0.01 NWE : $2.94
PE Ratio MNTK : 92.51 NWE : 22.61
PS Ratio MNTK : 0.37 NWE : 2.54
PB Ratio MNTK : 0.61 NWE : 1.43
Total Revenue (TTM) MNTK : $439.70M NWE : $1.61B
Gross Profit (TTM) MNTK : $99.96M NWE : $1.00B
EBITDA (TTM) MNTK : $54.09M NWE : $587.31M

Returns By Period

In the year-to-date period, MNTK achieves a -32.34% return, which is significantly lower than NWE's 3.95% return.

MNTK

• 1D: -1.74%
• 1M: -28.93%
• YTD: -32.34%
• 6M: -45.15%
• 1Y: -49.10%
• 3Y*: -47.64%
• 5Y*: -37.78%
• 10Y*: —

NWE

• 1D: 0.73%
• 1M: -4.09%
• YTD: 3.95%
• 6M: 17.72%
• 1Y: 18.63%
• 3Y*: 9.78%
• 5Y*: 5.19%
• 10Y*: 4.92%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

MNTK vs. NWE — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

MNTK

MNTK Risk / Return Rank: 14
MNTK Sharpe Ratio Rank: 15
MNTK Sortino Ratio Rank: 16
MNTK Omega Ratio Rank: 18
MNTK Calmar Ratio Rank: 13
MNTK Martin Ratio Rank: 8

NWE

NWE Risk / Return Rank: 67
NWE Sharpe Ratio Rank: 72
NWE Sortino Ratio Rank: 65
NWE Omega Ratio Rank: 62
NWE Calmar Ratio Rank: 70
NWE Martin Ratio Rank: 69

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

MNTK vs. NWE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Montauk Renewables, Inc. (MNTK) and NorthWestern Corporation (NWE). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	MNTK	NWE	Difference
Sharpe ratio Return per unit of total volatility	-0.60	0.93	-1.52
Sortino ratio Return per unit of downside risk	-0.62	1.40	-2.02
Omega ratio Gain probability vs. loss probability	0.93	1.17	-0.24
Calmar ratio Return relative to maximum drawdown	-0.78	1.47	-2.25
Martin ratio Return relative to average drawdown	-1.54	3.36	-4.90
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MNTK vs. NWE - Sharpe Ratio Comparison

The current MNTK Sharpe Ratio is -0.60, which is lower than the NWE Sharpe Ratio of 0.93. The chart below compares the historical Sharpe Ratios of MNTK and NWE, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MNTK	NWE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.60	0.93	-1.52
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.52	0.25	-0.78
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.20	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.50	0.38	-0.88

Correlation

The correlation between MNTK and NWE is 0.13, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

MNTK vs. NWE - Dividend Comparison

MNTK has not paid dividends to shareholders, while NWE's dividend yield for the trailing twelve months is around 3.99%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MNTK Montauk Renewables, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
NWE NorthWestern Corporation	3.99%	4.09%	4.86%	5.03%	4.25%	4.34%	4.12%	3.21%	3.70%	3.52%	3.52%	3.54%

Drawdowns

MNTK vs. NWE - Drawdown Comparison

The maximum MNTK drawdown since its inception was -94.49%, which is greater than NWE's maximum drawdown of -39.34%. Use the drawdown chart below to compare losses from any high point for MNTK and NWE.

Drawdown Indicators

	MNTK	NWE	Difference
Max Drawdown Largest peak-to-trough decline	-94.49%	-39.34%	-55.15%
Max Drawdown (1Y) Largest decline over 1 year	-58.67%	-13.55%	-45.12%
Max Drawdown (5Y) Largest decline over 5 years	-94.49%	-26.14%	-68.35%
Max Drawdown (10Y) Largest decline over 10 years	—	-39.34%	—
Current Drawdown Current decline from peak	-94.44%	-6.39%	-88.05%
Average Drawdown Average peak-to-trough decline	-56.09%	-10.85%	-45.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	29.73%	5.94%	+23.79%

Volatility

MNTK vs. NWE - Volatility Comparison

Montauk Renewables, Inc. (MNTK) has a higher volatility of 20.72% compared to NorthWestern Corporation (NWE) at 7.03%. This indicates that MNTK's price experiences larger fluctuations and is considered to be riskier than NWE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MNTK	NWE	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.72%	7.03%	+13.69%
Volatility (6M) Calculated over the trailing 6-month period	57.95%	14.57%	+43.38%
Volatility (1Y) Calculated over the trailing 1-year period	82.89%	20.19%	+62.70%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	72.32%	20.72%	+51.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	73.39%	24.59%	+48.80%

Financials

MNTK vs. NWE - Profitability Comparison

The chart below illustrates the profitability comparison between Montauk Renewables, Inc. and NorthWestern Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

MNTK - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Montauk Renewables, Inc. reported a gross profit of 49.05M and revenue of 306.72M. Therefore, the gross margin over that period was 16.0%.

NWE - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, NorthWestern Corporation reported a gross profit of 203.17M and revenue of 414.26M. Therefore, the gross margin over that period was 49.0%.

MNTK - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Montauk Renewables, Inc. reported an operating income of -1.65M and revenue of 306.72M, resulting in an operating margin of -0.5%.

NWE - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, NorthWestern Corporation reported an operating income of 60.02M and revenue of 414.26M, resulting in an operating margin of 14.5%.

MNTK - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Montauk Renewables, Inc. reported a net income of 2.49M and revenue of 306.72M, resulting in a net margin of 0.8%.

NWE - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, NorthWestern Corporation reported a net income of 44.69M and revenue of 414.26M, resulting in a net margin of 10.8%.