MNTK vs. AVA

Last updated Jun 24, 2026

MNTK (Montauk Renewables, Inc.) and AVA (Avista Corporation) are both stocks. Both operate in the Utilities - Diversified industry within the Utilities sector. Over the past 5 years, MNTK returned -28.74%/yr vs 3.53%/yr for AVA. At a 0.14 correlation, their price movements are largely independent.

Performance

MNTK vs. AVA - Performance Comparison

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

Returns By Period

In the year-to-date period, MNTK achieves a -6.59% return, which is significantly lower than AVA's 8.08% return.

MNTK

• 1D: 2.63%
• 1M: 0.65%
• YTD: -6.59%
• 6M: -12.85%
• 1Y: -25.00%
• 3Y*: -39.52%
• 5Y*: -28.74%
• 10Y*: —

AVA

• 1D: 2.44%
• 1M: -1.90%
• YTD: 8.08%
• 6M: 8.44%
• 1Y: 11.87%
• 3Y*: 7.22%
• 5Y*: 3.53%
• 10Y*: 3.72%

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

MNTK vs. AVA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
MNTK Montauk Renewables, Inc.	-6.59%	-58.04%	-55.33%	-19.22%	7.61%	-21.15%
AVA Avista Corporation	8.08%	10.68%	7.84%	-15.31%	8.79%	14.94%

Correlation

The correlation between MNTK and AVA is 0.16, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.16
Correlation (3Y) Calculated over the trailing 3-year period	0.14
Correlation (5Y) Calculated over the trailing 5-year period	0.14
Correlation (All Time) Calculated using the full available price history since Jan 22, 2021	0.14

Fundamentals

EPS MNTK : $0.02 AVA : $2.53
PE Ratio MNTK : 75.52 AVA : 16.09
PEG Ratio MNTK : 0.61 AVA : 5.24
PS Ratio MNTK : 0.93 AVA : 2.46
Total Revenue (TTM) MNTK : $180.21M AVA : $1.35B
Gross Profit (TTM) MNTK : $51.29M AVA : $711.00M
EBITDA (TTM) MNTK : $36.19M AVA : $455.00M

Return for Risk

MNTK vs. AVA — Risk / Return Rank

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

MNTK

MNTK Risk / Return Rank: 30
MNTK Sharpe Ratio Rank: 29
MNTK Sortino Ratio Rank: 32
MNTK Omega Ratio Rank: 32
MNTK Calmar Ratio Rank: 28
MNTK Martin Ratio Rank: 29

AVA

AVA Risk / Return Rank: 61
AVA Sharpe Ratio Rank: 63
AVA Sortino Ratio Rank: 55
AVA Omega Ratio Rank: 54
AVA Calmar Ratio Rank: 66
AVA Martin Ratio Rank: 68

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. AVA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Montauk Renewables, Inc. (MNTK) and Avista Corporation (AVA). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	MNTK	AVA	Difference
Sharpe ratio: Return per unit of total volatility	-0.33	0.65	-0.97
Sortino ratio: Return per unit of downside risk	0.01	0.96	-0.95
Omega ratio: Gain probability vs. loss probability	1.00	1.12	-0.12
Calmar ratio: Return relative to maximum drawdown	-0.43	1.20	-1.63
Martin ratio: Return relative to average drawdown	-0.69	3.01	-3.70

MNTK vs. AVA - Sharpe Ratio Comparison

The current MNTK Sharpe Ratio is -0.33, which is lower than the AVA Sharpe Ratio of 0.65. The chart below compares the historical Sharpe Ratios of MNTK and AVA, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

MNTK vs. AVA - Drawdown Comparison

The maximum MNTK drawdown since its inception was -94.49%, which is greater than AVA's maximum drawdown of -78.86%. Use the drawdown chart below to compare losses from any high point for MNTK and AVA.

Drawdown Indicators

	MNTK	AVA	Difference
Max Drawdown Largest peak-to-trough decline	-94.49%	-78.86%	-15.63%
Max Drawdown (1Y) Largest decline over 1 year	-58.67%	-9.89%	-48.78%
Max Drawdown (3Y) Largest decline over 3 years	-89.61%	-20.43%	-69.18%
Max Drawdown (5Y) Largest decline over 5 years	-94.49%	-28.74%	-65.75%
Max Drawdown (10Y) Largest decline over 10 years	—	-37.17%	—
Current Drawdown Current decline from peak	-92.32%	-4.12%	-88.20%
Average Drawdown Average peak-to-trough decline	-57.63%	-21.81%	-35.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	36.35%	3.95%	+32.40%

Volatility

MNTK vs. AVA - Volatility Comparison

Montauk Renewables, Inc. (MNTK) has a higher volatility of 17.12% compared to Avista Corporation (AVA) at 8.38%. This indicates that MNTK's price experiences larger fluctuations and is considered to be riskier than AVA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MNTK	AVA	Difference
Volatility (1M) Calculated over the trailing 1-month period	17.12%	8.38%	+8.74%
Volatility (6M) Calculated over the trailing 6-month period	50.28%	14.39%	+35.89%
Volatility (1Y) Calculated over the trailing 1-year period	77.22%	18.54%	+58.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	72.92%	21.64%	+51.28%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	73.29%	25.54%	+47.75%

Dividends

MNTK vs. AVA - Dividend Comparison

MNTK has not paid dividends to shareholders, while AVA's dividend yield for the trailing twelve months is around 4.83%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AVA Avista Corporation	4.83%	5.09%	5.19%	5.15%	3.97%	3.98%	4.04%	3.22%	3.51%	2.78%	3.43%	3.73%
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%

Financials

Frequently Asked Questions

Can I hold both MNTK and AVA in my portfolio?

MNTK and AVA have a correlation of 0.16, 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 AVA?

MNTK has higher volatility (17.12%) compared to AVA (8.38%). In terms of maximum drawdown, MNTK dropped -94.49% vs AVA's -78.86%.

Which has better risk-adjusted returns?

AVA currently has the higher Sharpe Ratio (0.65 vs -0.33), 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.