MNTK vs. UTL

Last updated Jun 3, 2026

MNTK (Montauk Renewables, Inc.) and UTL (Unitil Corporation) are both stocks. Both operate in the Utilities - Diversified industry within the Utilities sector. Over the past 5 years, MNTK returned -29.90%/yr vs 0.60%/yr for UTL. At a 0.15 correlation, their price movements are largely independent.

Performance

MNTK vs. UTL - Performance Comparison

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

Returns By Period

In the year-to-date period, MNTK achieves a 2.40% return, which is significantly lower than UTL's 4.03% return.

MNTK

• 1D: -4.47%
• 1M: 22.14%
• YTD: 2.40%
• 6M: 4.91%
• 1Y: -1.72%
• 3Y*: -38.19%
• 5Y*: -29.90%
• 10Y*: —

UTL

• 1D: 1.69%
• 1M: -3.71%
• YTD: 4.03%
• 6M: 0.87%
• 1Y: -6.17%
• 3Y*: 0.58%
• 5Y*: 0.60%
• 10Y*: 5.15%

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

MNTK vs. UTL - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
MNTK Montauk Renewables, Inc.	2.40%	-58.04%	-55.33%	-19.22%	7.61%	-12.62%
UTL Unitil Corporation	4.03%	-7.43%	6.33%	5.63%	15.04%	17.47%

Correlation

The correlation between MNTK and UTL is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.14
Correlation (3Y) Calculated over the trailing 3-year period	0.16
Correlation (5Y) Calculated over the trailing 5-year period	0.15
Correlation (All Time) Calculated using the full available price history since Jan 25, 2021	0.15

Fundamentals

EPS MNTK : $0.02 UTL : $3.26
PE Ratio MNTK : 82.78 UTL : 15.19
PEG Ratio MNTK : 0.67 UTL : 2.49
PS Ratio MNTK : 1.02 UTL : 1.46
Total Revenue (TTM) MNTK : $180.21M UTL : $582.10M
Gross Profit (TTM) MNTK : $51.29M UTL : $338.90M
EBITDA (TTM) MNTK : $36.19M UTL : $207.70M

Return for Risk

MNTK vs. UTL — Risk / Return Rank

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

MNTK

MNTK Risk / Return Rank: 39
MNTK Sharpe Ratio Rank: 39
MNTK Sortino Ratio Rank: 43
MNTK Omega Ratio Rank: 41
MNTK Calmar Ratio Rank: 36
MNTK Martin Ratio Rank: 36

UTL

UTL Risk / Return Rank: 26
UTL Sharpe Ratio Rank: 28
UTL Sortino Ratio Rank: 24
UTL Omega Ratio Rank: 25
UTL Calmar Ratio Rank: 28
UTL Martin Ratio Rank: 26

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. UTL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Montauk Renewables, Inc. (MNTK) and Unitil Corporation (UTL). 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	UTL	Difference
Sharpe ratio Return per unit of total volatility	-0.02	-0.29	+0.27
Sortino ratio Return per unit of downside risk	0.56	-0.25	+0.81
Omega ratio Gain probability vs. loss probability	1.06	0.97	+0.10
Calmar ratio Return relative to maximum drawdown	-0.12	-0.37	+0.25
Martin ratio Return relative to average drawdown	-0.20	-0.76	+0.56
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. UTL - Sharpe Ratio Comparison

The current MNTK Sharpe Ratio is -0.02, which is higher than the UTL Sharpe Ratio of -0.29. The chart below compares the historical Sharpe Ratios of MNTK and UTL, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	MNTK	UTL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.02	-0.29	+0.27
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.41	0.02	-0.44
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.19	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.41	0.36	-0.77

Drawdowns

MNTK vs. UTL - Drawdown Comparison

The maximum MNTK drawdown since its inception was -94.49%, which is greater than UTL's maximum drawdown of -48.37%. Use the drawdown chart below to compare losses from any high point for MNTK and UTL.

Drawdown Indicators

	MNTK	UTL	Difference
Max Drawdown Largest peak-to-trough decline	-94.49%	-48.37%	-46.12%
Max Drawdown (1Y) Largest decline over 1 year	-58.67%	-17.06%	-41.61%
Max Drawdown (3Y) Largest decline over 3 years	-89.61%	-25.84%	-63.77%
Max Drawdown (5Y) Largest decline over 5 years	-94.49%	-28.26%	-66.23%
Max Drawdown (10Y) Largest decline over 10 years	—	-48.37%	—
Current Drawdown Current decline from peak	-91.58%	-15.85%	-75.73%
Average Drawdown Average peak-to-trough decline	-57.24%	-11.06%	-46.18%
Ulcer Index Depth and duration of drawdowns from previous peaks	35.17%	8.41%	+26.76%

Volatility

MNTK vs. UTL - Volatility Comparison

Montauk Renewables, Inc. (MNTK) has a higher volatility of 25.09% compared to Unitil Corporation (UTL) at 7.73%. This indicates that MNTK's price experiences larger fluctuations and is considered to be riskier than UTL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MNTK	UTL	Difference
Volatility (1M) Calculated over the trailing 1-month period	25.09%	7.73%	+17.36%
Volatility (6M) Calculated over the trailing 6-month period	49.73%	15.46%	+34.27%
Volatility (1Y) Calculated over the trailing 1-year period	78.90%	21.51%	+57.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	72.80%	25.04%	+47.76%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	73.37%	27.23%	+46.14%

Dividends

MNTK vs. UTL - Dividend Comparison

MNTK has not paid dividends to shareholders, while UTL's dividend yield for the trailing twelve months is around 3.74%.

Position	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%
UTL Unitil Corporation	3.74%	3.72%	3.14%	3.08%	3.04%	3.31%	3.39%	2.39%	2.88%	3.16%	3.13%	3.90%

Financials

MNTK vs. UTL - Profitability Comparison

The chart below illustrates the profitability comparison between Montauk Renewables, Inc. and Unitil 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 Jun 2026, Montauk Renewables, Inc. reported a gross profit of 0.00 and revenue of 46.43M. Therefore, the gross margin over that period was 0.0%.

UTL - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Unitil Corporation reported a gross profit of 193.50M and revenue of 216.90M. Therefore, the gross margin over that period was 89.2%.

MNTK - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Montauk Renewables, Inc. reported an operating income of -1.60M and revenue of 46.43M, resulting in an operating margin of -3.4%.

UTL - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Unitil Corporation reported an operating income of 55.90M and revenue of 216.90M, resulting in an operating margin of 25.8%.

MNTK - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Montauk Renewables, Inc. reported a net income of 5.00K and revenue of 46.43M, resulting in a net margin of 0.0%.

UTL - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Unitil Corporation reported a net income of 33.20M and revenue of 216.90M, resulting in a net margin of 15.3%.

Frequently Asked Questions

Can I hold both MNTK and UTL in my portfolio?

MNTK and UTL have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MNTK or UTL?

MNTK has higher volatility (25.09%) compared to UTL (7.73%). In terms of maximum drawdown, MNTK dropped -94.49% vs UTL's -48.37%.

Which has better risk-adjusted returns?

MNTK currently has the higher Sharpe Ratio (-0.02 vs -0.29), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.