AVA vs. MNTK

Last updated Apr 2, 2026

Compare and contrast key facts about Avista Corporation (AVA) and Montauk Renewables, Inc. (MNTK).

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.

AVA vs. MNTK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
AVA Avista Corporation	6.79%	10.68%	7.84%	-15.31%	8.79%	14.49%
MNTK Montauk Renewables, Inc.	-32.34%	-58.04%	-55.33%	-19.22%	7.61%	-12.62%

Fundamentals

EPS AVA : $0.00 MNTK : $0.01
PS Ratio AVA : 1.63 MNTK : 0.37
Total Revenue (TTM) AVA : $1.34B MNTK : $439.70M
Gross Profit (TTM) AVA : -$4.70B MNTK : $99.96M
EBITDA (TTM) AVA : $269.00M MNTK : $54.09M

Returns By Period

In the year-to-date period, AVA achieves a 6.79% return, which is significantly higher than MNTK's -32.34% return.

AVA

• 1D: 1.35%
• 1M: 1.90%
• YTD: 6.79%
• 6M: 11.84%
• 1Y: 1.15%
• 3Y*: 3.68%
• 5Y*: 1.62%
• 10Y*: 3.99%

MNTK

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

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

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: 39
AVA Sharpe Ratio Rank: 42
AVA Sortino Ratio Rank: 34
AVA Omega Ratio Rank: 33
AVA Calmar Ratio Rank: 44
AVA Martin Ratio Rank: 43

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

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.

	AVA	MNTK	Difference
Sharpe ratio Return per unit of total volatility	0.06	-0.60	+0.66
Sortino ratio Return per unit of downside risk	0.20	-0.62	+0.82
Omega ratio Gain probability vs. loss probability	1.03	0.93	+0.09
Calmar ratio Return relative to maximum drawdown	0.15	-0.78	+0.93
Martin ratio Return relative to average drawdown	0.27	-1.54	+1.81
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AVA vs. MNTK - Sharpe Ratio Comparison

The current AVA Sharpe Ratio is 0.06, which is higher than the MNTK Sharpe Ratio of -0.60. The chart below compares the historical Sharpe Ratios of AVA and MNTK, 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

	AVA	MNTK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.06	-0.60	+0.66
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.08	-0.52	+0.60
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.16	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.30	-0.50	+0.79

Correlation

The correlation between AVA and MNTK 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

AVA vs. MNTK - Dividend Comparison

AVA's dividend yield for the trailing twelve months is around 4.82%, while MNTK has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AVA Avista Corporation	4.82%	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%

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	-14.01%	-58.67%	+44.66%
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	-4.47%	-94.44%	+89.97%
Average Drawdown Average peak-to-trough decline	-21.91%	-56.09%	+34.18%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.78%	29.73%	-21.95%

Volatility

AVA vs. MNTK - Volatility Comparison

The current volatility for Avista Corporation (AVA) is 4.97%, while Montauk Renewables, Inc. (MNTK) has a volatility of 20.72%. 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	4.97%	20.72%	-15.75%
Volatility (6M) Calculated over the trailing 6-month period	12.54%	57.95%	-45.41%
Volatility (1Y) Calculated over the trailing 1-year period	18.00%	82.89%	-64.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.39%	72.32%	-50.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.44%	73.39%	-47.95%

Financials