AVA vs. MNTK

Last updated Jun 24, 2026

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

Performance

AVA vs. MNTK - Performance Comparison

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

Returns By Period

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

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%

MNTK

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

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

AVA vs. MNTK - Yearly Performance Comparison

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

Correlation

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

Return for Risk

AVA vs. MNTK — Risk / Return Rank

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

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

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

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.

AVA vs. MNTK - Risk-Adjusted Trends Comparison

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

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

AVA vs. MNTK - Sharpe Ratio Comparison

The current AVA Sharpe Ratio is 0.65, which is higher than the MNTK Sharpe Ratio of -0.33. The chart below compares the historical Sharpe Ratios of AVA and MNTK, 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

AVA vs. MNTK - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

AVA vs. MNTK - Volatility Comparison

The current volatility for Avista Corporation (AVA) is 8.38%, while Montauk Renewables, Inc. (MNTK) has a volatility of 17.12%. This indicates that AVA experiences smaller price fluctuations and is considered to be less risky than MNTK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

Dividends

AVA vs. MNTK - Dividend Comparison

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

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 AVA and MNTK in my portfolio?

AVA and MNTK 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, AVA or MNTK?

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

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.