ATEYY vs. EONGY

Last updated Jul 1, 2026

ATEYY (Advantest Corp DRC) and EONGY (E.ON SE ADR) are both stocks. ATEYY operates in Semiconductor Equipment & Materials (Technology), while EONGY operates in Utilities - Diversified (Utilities). Over the past 10 years, ATEYY returned 54.73%/yr vs 13.03%/yr for EONGY. At a 0.15 correlation, their price movements are largely independent.

Performance

ATEYY vs. EONGY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Advantest Corp DRC (ATEYY) and E.ON SE ADR (EONGY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ATEYY achieves a 64.70% return, which is significantly higher than EONGY's 11.42% return. Over the past 10 years, ATEYY has outperformed EONGY with an annualized return of 54.73%, while EONGY has yielded a comparatively lower 13.03% annualized return.

ATEYY

• 1D: 0.67%
• 1M: 25.60%
• YTD: 64.70%
• 6M: 63.83%
• 1Y: 181.31%
• 3Y*: 83.97%
• 5Y*: 57.45%
• 10Y*: 54.73%

EONGY

• 1D: -1.01%
• 1M: -3.33%
• YTD: 11.42%
• 6M: 11.48%
• 1Y: 13.90%
• 3Y*: 21.49%
• 5Y*: 16.44%
• 10Y*: 13.03%

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

ATEYY vs. EONGY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ATEYY Advantest Corp DRC	64.70%	122.70%	68.99%	111.43%	-33.43%	27.37%	30.96%	176.84%	12.51%	12.66%
EONGY E.ON SE ADR	11.42%	68.77%	-9.82%	41.96%	-25.33%	30.17%	7.27%	11.88%	-7.04%	62.83%

Correlation

The correlation between ATEYY and EONGY is 0.17, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.17
Correlation (3Y) Calculated over the trailing 3-year period	0.07
Correlation (5Y) Calculated over the trailing 5-year period	0.15
Correlation (10Y) Calculated over the trailing 10-year period	0.14
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016	0.15

Fundamentals

Market Cap ATEYY : $151.79B EONGY : $53.53B
EPS ATEYY : ¥520.91 EONGY : €1.33
PE Ratio ATEYY : 64.98 EONGY : 13.54
PEG Ratio ATEYY : 0.83 EONGY : 0.08
PS Ratio ATEYY : 21.61 EONGY : 0.62
PB Ratio ATEYY : 30.90 EONGY : 2.14
Total Revenue (TTM) ATEYY : ¥1.14T EONGY : €75.47B
Gross Profit (TTM) ATEYY : ¥736.09B EONGY : €15.73B
EBITDA (TTM) ATEYY : ¥533.69B EONGY : €9.86B

Return for Risk

ATEYY vs. EONGY — Risk / Return Rank

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

ATEYY

ATEYY Risk / Return Rank: 92
ATEYY Sharpe Ratio Rank: 94
ATEYY Sortino Ratio Rank: 90
ATEYY Omega Ratio Rank: 88
ATEYY Calmar Ratio Rank: 94
ATEYY Martin Ratio Rank: 94

EONGY

EONGY Risk / Return Rank: 62
EONGY Sharpe Ratio Rank: 64
EONGY Sortino Ratio Rank: 57
EONGY Omega Ratio Rank: 56
EONGY Calmar Ratio Rank: 67
EONGY Martin Ratio Rank: 67

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.

ATEYY vs. EONGY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Advantest Corp DRC (ATEYY) and E.ON SE ADR (EONGY). 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.

	ATEYY	EONGY	Difference
Sharpe ratio: Return per unit of total volatility	2.56	0.61	+1.95
Sortino ratio: Return per unit of downside risk	2.95	0.96	+1.98
Omega ratio: Gain probability vs. loss probability	1.36	1.12	+0.24
Calmar ratio: Return relative to maximum drawdown	5.49	1.13	+4.36
Martin ratio: Return relative to average drawdown	14.75	2.69	+12.05

ATEYY vs. EONGY - Sharpe Ratio Comparison

The current ATEYY Sharpe Ratio is 2.56, which is higher than the EONGY Sharpe Ratio of 0.61. The chart below compares the historical Sharpe Ratios of ATEYY and EONGY, 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

ATEYY vs. EONGY - Drawdown Comparison

The maximum ATEYY drawdown since its inception was -56.48%, smaller than the maximum EONGY drawdown of -85.09%. Use the drawdown chart below to compare losses from any high point for ATEYY and EONGY.

Drawdown Indicators

	ATEYY	EONGY	Difference
Max Drawdown Largest peak-to-trough decline	-56.48%	-85.09%	+28.61%
Max Drawdown (1Y) Largest decline over 1 year	-33.24%	-12.33%	-20.91%
Max Drawdown (3Y) Largest decline over 3 years	-44.70%	-29.37%	-15.33%
Max Drawdown (5Y) Largest decline over 5 years	-56.48%	-46.78%	-9.70%
Max Drawdown (10Y) Largest decline over 10 years	-56.48%	-46.78%	-9.70%
Current Drawdown Current decline from peak	-3.78%	-28.20%	+24.42%
Average Drawdown Average peak-to-trough decline	-14.19%	-60.94%	+46.75%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.35%	5.17%	+7.18%

Volatility

ATEYY vs. EONGY - Volatility Comparison

Advantest Corp DRC (ATEYY) has a higher volatility of 30.84% compared to E.ON SE ADR (EONGY) at 5.38%. This indicates that ATEYY's price experiences larger fluctuations and is considered to be riskier than EONGY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ATEYY	EONGY	Difference
Volatility (1M) Calculated over the trailing 1-month period	30.84%	5.38%	+25.46%
Volatility (6M) Calculated over the trailing 6-month period	56.57%	18.21%	+38.36%
Volatility (1Y) Calculated over the trailing 1-year period	71.41%	22.99%	+48.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	53.87%	24.57%	+29.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	48.90%	24.78%	+24.12%

Dividends

ATEYY vs. EONGY - Dividend Comparison

ATEYY has not paid dividends to shareholders, while EONGY's dividend yield for the trailing twelve months is around 3.25%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ATEYY Advantest Corp DRC	0.00%	0.11%	0.22%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	1.18%	1.24%	0.00%
EONGY E.ON SE ADR	3.25%	3.27%	4.98%	4.06%	5.22%	2.91%	3.33%	3.39%	2.77%	4.35%	29.92%	5.47%

Financials

ATEYY vs. EONGY - Profitability Comparison

The chart below illustrates the profitability comparison between Advantest Corp DRC and E.ON SE ADR over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

ATEYY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Advantest Corp DRC reported a gross profit of 225.18B and revenue of 334.10B. Therefore, the gross margin over that period was 67.4%.

EONGY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, E.ON SE ADR reported a gross profit of 2.78B and revenue of 22.18B. Therefore, the gross margin over that period was 12.5%.

ATEYY - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Advantest Corp DRC reported an operating income of 156.38B and revenue of 334.10B, resulting in an operating margin of 46.8%.

EONGY - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, E.ON SE ADR reported an operating income of 2.62B and revenue of 22.18B, resulting in an operating margin of 11.8%.

ATEYY - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Advantest Corp DRC reported a net income of 129.16B and revenue of 334.10B, resulting in a net margin of 38.7%.

EONGY - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, E.ON SE ADR reported a net income of 2.27B and revenue of 22.18B, resulting in a net margin of 10.2%.

Frequently Asked Questions

Can I hold both ATEYY and EONGY in my portfolio?

ATEYY and EONGY have a correlation of 0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ATEYY or EONGY?

ATEYY has higher volatility (30.84%) compared to EONGY (5.38%). In terms of maximum drawdown, ATEYY dropped -56.48% vs EONGY's -85.09%.

Which has better risk-adjusted returns?

ATEYY currently has the higher Sharpe Ratio (2.56 vs 0.61), 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.