ECO vs. MPWR

Last updated Jun 3, 2026

ECO (Okeanis Eco Tankers Corp) and MPWR (Monolithic Power Systems, Inc.) are both stocks. ECO operates in Marine Shipping (Industrials), while MPWR operates in Semiconductors (Technology). Over the past year, ECO returned 135.11% vs 144.87% for MPWR. At a 0.10 correlation, their price movements are largely independent.

Performance

ECO vs. MPWR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Okeanis Eco Tankers Corp (ECO) and Monolithic Power Systems, Inc. (MPWR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ECO achieves a 52.20% return, which is significantly lower than MPWR's 79.65% return.

ECO

• 1D: -0.86%
• 1M: -9.18%
• YTD: 52.20%
• 6M: 42.40%
• 1Y: 135.11%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MPWR

• 1D: 5.36%
• 1M: 2.62%
• YTD: 79.65%
• 6M: 71.29%
• 1Y: 144.87%
• 3Y*: 49.53%
• 5Y*: 38.07%
• 10Y*: 38.36%

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

ECO vs. MPWR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
ECO Okeanis Eco Tankers Corp	52.20%	71.94%	-11.70%	-1.51%
MPWR Monolithic Power Systems, Inc.	79.65%	54.45%	-5.55%	9.73%

Correlation

The correlation between ECO and MPWR is 0.00, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.00
Correlation (All Time) Calculated using the full available price history since Dec 11, 2023	0.10

Fundamentals

Market Cap ECO : $1.84B MPWR : $80.02B
EPS ECO : $5.83 MPWR : $13.89
PE Ratio ECO : 8.26 MPWR : 116.98
PEG Ratio ECO : 0.78 MPWR : 1.47
PS Ratio ECO : 3.41 MPWR : 26.72
PB Ratio ECO : 2.54 MPWR : 21.76
Total Revenue (TTM) ECO : $481.57M MPWR : $2.96B
Gross Profit (TTM) ECO : $274.61M MPWR : $1.63B
EBITDA (TTM) ECO : $284.05M MPWR : $861.78M

Return for Risk

ECO vs. MPWR — Risk / Return Rank

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

ECO

ECO Risk / Return Rank: 94
ECO Sharpe Ratio Rank: 95
ECO Sortino Ratio Rank: 94
ECO Omega Ratio Rank: 90
ECO Calmar Ratio Rank: 95
ECO Martin Ratio Rank: 96

MPWR

MPWR Risk / Return Rank: 93
MPWR Sharpe Ratio Rank: 95
MPWR Sortino Ratio Rank: 92
MPWR Omega Ratio Rank: 90
MPWR Calmar Ratio Rank: 94
MPWR Martin Ratio Rank: 94

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.

ECO vs. MPWR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Okeanis Eco Tankers Corp (ECO) and Monolithic Power Systems, Inc. (MPWR). 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.

	ECO	MPWR	Difference
Sharpe ratio Return per unit of total volatility	3.35	3.15	+0.20
Sortino ratio Return per unit of downside risk	3.88	3.54	+0.34
Omega ratio Gain probability vs. loss probability	1.44	1.44	+0.01
Calmar ratio Return relative to maximum drawdown	7.61	6.56	+1.05
Martin ratio Return relative to average drawdown	22.54	17.68	+4.85
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ECO vs. MPWR - Sharpe Ratio Comparison

The current ECO Sharpe Ratio is 3.35, which is comparable to the MPWR Sharpe Ratio of 3.15. The chart below compares the historical Sharpe Ratios of ECO and MPWR, 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

	ECO	MPWR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.35	3.15	+0.20
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.72	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.82	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.95	0.59	+0.36

Drawdowns

ECO vs. MPWR - Drawdown Comparison

The maximum ECO drawdown since its inception was -46.15%, smaller than the maximum MPWR drawdown of -72.27%. Use the drawdown chart below to compare losses from any high point for ECO and MPWR.

Drawdown Indicators

	ECO	MPWR	Difference
Max Drawdown Largest peak-to-trough decline	-46.15%	-72.27%	+26.12%
Max Drawdown (1Y) Largest decline over 1 year	-17.66%	-22.45%	+4.79%
Max Drawdown (3Y) Largest decline over 3 years	—	-51.65%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-51.65%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-51.65%	—
Current Drawdown Current decline from peak	-12.09%	-2.28%	-9.81%
Average Drawdown Average peak-to-trough decline	-15.22%	-17.72%	+2.50%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.97%	8.33%	-2.36%

Volatility

ECO vs. MPWR - Volatility Comparison

The current volatility for Okeanis Eco Tankers Corp (ECO) is 12.26%, while Monolithic Power Systems, Inc. (MPWR) has a volatility of 15.53%. This indicates that ECO experiences smaller price fluctuations and is considered to be less risky than MPWR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ECO	MPWR	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.26%	15.53%	-3.27%
Volatility (6M) Calculated over the trailing 6-month period	29.98%	34.17%	-4.19%
Volatility (1Y) Calculated over the trailing 1-year period	40.57%	46.32%	-5.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	42.02%	53.14%	-11.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.02%	47.01%	-4.99%

Dividends

ECO vs. MPWR - Dividend Comparison

ECO's dividend yield for the trailing twelve months is around 11.04%, more than MPWR's 0.41% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ECO Okeanis Eco Tankers Corp	11.04%	6.26%	15.57%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
MPWR Monolithic Power Systems, Inc.	0.41%	0.69%	0.85%	0.63%	0.85%	0.49%	0.55%	0.90%	1.03%	0.71%	0.98%	1.26%

Financials

ECO vs. MPWR - Profitability Comparison

The chart below illustrates the profitability comparison between Okeanis Eco Tankers Corp and Monolithic Power Systems, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

ECO - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Okeanis Eco Tankers Corp reported a gross profit of 109.68M and revenue of 170.17M. Therefore, the gross margin over that period was 64.5%.

MPWR - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Monolithic Power Systems, Inc. reported a gross profit of 445.07M and revenue of 804.19M. Therefore, the gross margin over that period was 55.3%.

ECO - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Okeanis Eco Tankers Corp reported an operating income of 98.06M and revenue of 170.17M, resulting in an operating margin of 57.6%.

MPWR - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Monolithic Power Systems, Inc. reported an operating income of 241.15M and revenue of 804.19M, resulting in an operating margin of 30.0%.

ECO - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Okeanis Eco Tankers Corp reported a net income of 88.32M and revenue of 170.17M, resulting in a net margin of 51.9%.

MPWR - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Monolithic Power Systems, Inc. reported a net income of 193.23M and revenue of 804.19M, resulting in a net margin of 24.0%.

Frequently Asked Questions

Can I hold both ECO and MPWR in my portfolio?

ECO and MPWR have a correlation of 0.00, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ECO or MPWR?

MPWR has higher volatility (15.53%) compared to ECO (12.26%). In terms of maximum drawdown, ECO dropped -46.15% vs MPWR's -72.27%.

Which has better risk-adjusted returns?

ECO currently has the higher Sharpe Ratio (3.35 vs 3.15), 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.