TOELY vs. ATEYY

Last updated Jun 23, 2026

TOELY (Tokyo Electron ADR) and ATEYY (Advantest Corp DRC) are both stocks. Both operate in the Semiconductor Equipment & Materials industry within the Technology sector. Over the past 10 years, TOELY returned 35.50%/yr vs 53.85%/yr for ATEYY. A 0.58 correlation means they provide meaningful diversification when combined.

Performance

TOELY vs. ATEYY - Performance Comparison

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

Returns By Period

In the year-to-date period, TOELY achieves a 122.24% return, which is significantly higher than ATEYY's 59.74% return. Over the past 10 years, TOELY has underperformed ATEYY with an annualized return of 35.50%, while ATEYY has yielded a comparatively higher 53.85% annualized return.

TOELY

• 1D: 0.58%
• 1M: 57.23%
• YTD: 122.24%
• 6M: 135.02%
• 1Y: 207.14%
• 3Y*: 54.91%
• 5Y*: 28.09%
• 10Y*: 35.50%

ATEYY

• 1D: 3.49%
• 1M: 19.10%
• YTD: 59.74%
• 6M: 58.42%
• 1Y: 202.13%
• 3Y*: 85.36%
• 5Y*: 54.52%
• 10Y*: 53.85%

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

TOELY vs. ATEYY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TOELY Tokyo Electron ADR	122.24%	49.57%	-14.19%	82.22%	-49.18%	53.76%	71.31%	94.00%	-38.01%	94.67%
ATEYY Advantest Corp DRC	59.74%	122.70%	68.99%	111.43%	-33.43%	27.37%	30.96%	176.84%	12.51%	12.66%

Correlation

The correlation between TOELY and ATEYY is 0.67, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.67
Correlation (3Y) Calculated over the trailing 3-year period	0.62
Correlation (5Y) Calculated over the trailing 5-year period	0.67
Correlation (10Y) Calculated over the trailing 10-year period	0.59
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016	0.59

The correlation between TOELY and ATEYY has been stable across timeframes, ranging from 0.58 to 0.67 - a consistent structural relationship.

Fundamentals

Market Cap TOELY : $226.28B ATEYY : $147.22B
EPS TOELY : ¥632.07 ATEYY : ¥520.21
PE Ratio TOELY : 63.12 ATEYY : 62.68
PEG Ratio TOELY : 5.18 ATEYY : 0.80
PS Ratio TOELY : 14.86 ATEYY : 20.84
PB Ratio TOELY : 17.59 ATEYY : 29.76
Total Revenue (TTM) TOELY : ¥2.47T ATEYY : ¥1.14T
Gross Profit (TTM) TOELY : ¥1.12T ATEYY : ¥736.09B
EBITDA (TTM) TOELY : ¥753.39B ATEYY : ¥533.69B

Return for Risk

TOELY vs. ATEYY — Risk / Return Rank

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

TOELY

TOELY Risk / Return Rank: 95
TOELY Sharpe Ratio Rank: 97
TOELY Sortino Ratio Rank: 94
TOELY Omega Ratio Rank: 93
TOELY Calmar Ratio Rank: 95
TOELY Martin Ratio Rank: 95

ATEYY

ATEYY Risk / Return Rank: 92
ATEYY Sharpe Ratio Rank: 95
ATEYY Sortino Ratio Rank: 90
ATEYY Omega Ratio Rank: 88
ATEYY Calmar Ratio Rank: 94
ATEYY 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.

TOELY vs. ATEYY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tokyo Electron ADR (TOELY) and Advantest Corp DRC (ATEYY). 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.

	TOELY	ATEYY	Difference
Sharpe ratio: Return per unit of total volatility	3.85	2.91	+0.94
Sortino ratio: Return per unit of downside risk	3.65	3.16	+0.49
Omega ratio: Gain probability vs. loss probability	1.49	1.39	+0.10
Calmar ratio: Return relative to maximum drawdown	6.88	6.12	+0.76
Martin ratio: Return relative to average drawdown	17.21	16.46	+0.74

TOELY vs. ATEYY - Sharpe Ratio Comparison

The current TOELY Sharpe Ratio is 3.85, which is higher than the ATEYY Sharpe Ratio of 2.91. The chart below compares the historical Sharpe Ratios of TOELY and ATEYY, 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

TOELY vs. ATEYY - Drawdown Comparison

The maximum TOELY drawdown since its inception was -92.92%, which is greater than ATEYY's maximum drawdown of -56.48%. Use the drawdown chart below to compare losses from any high point for TOELY and ATEYY.

Drawdown Indicators

	TOELY	ATEYY	Difference
Max Drawdown Largest peak-to-trough decline	-92.92%	-56.48%	-36.44%
Max Drawdown (1Y) Largest decline over 1 year	-30.30%	-33.24%	+2.94%
Max Drawdown (3Y) Largest decline over 3 years	-53.52%	-44.70%	-8.82%
Max Drawdown (5Y) Largest decline over 5 years	-59.40%	-56.48%	-2.92%
Max Drawdown (10Y) Largest decline over 10 years	-59.40%	-56.48%	-2.92%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-49.54%	-14.21%	-35.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.09%	12.33%	-0.24%

Volatility

TOELY vs. ATEYY - Volatility Comparison

The current volatility for Tokyo Electron ADR (TOELY) is 20.95%, while Advantest Corp DRC (ATEYY) has a volatility of 27.22%. This indicates that TOELY experiences smaller price fluctuations and is considered to be less risky than ATEYY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TOELY	ATEYY	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.95%	27.22%	-6.27%
Volatility (6M) Calculated over the trailing 6-month period	40.15%	54.56%	-14.41%
Volatility (1Y) Calculated over the trailing 1-year period	54.30%	70.17%	-15.87%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	45.22%	53.44%	-8.22%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	39.82%	48.66%	-8.84%

Dividends

TOELY vs. ATEYY - Dividend Comparison

Neither TOELY nor ATEYY has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
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%
TOELY Tokyo Electron ADR	0.00%	1.02%	1.17%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	1.11%	2.27%

Financials

TOELY vs. ATEYY - Profitability Comparison

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

TOELY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Tokyo Electron ADR reported a gross profit of 339.31B and revenue of 724.89B. Therefore, the gross margin over that period was 46.8%.

ATEYY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 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%.

TOELY - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Tokyo Electron ADR reported an operating income of 209.42B and revenue of 724.89B, resulting in an operating margin of 28.9%.

ATEYY - Operating Margin

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

TOELY - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Tokyo Electron ADR reported a net income of 218.23B and revenue of 724.89B, resulting in a net margin of 30.1%.

ATEYY - Net Margin

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

Frequently Asked Questions

Can I hold both TOELY and ATEYY in my portfolio?

TOELY and ATEYY have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TOELY or ATEYY?

ATEYY has higher volatility (27.22%) compared to TOELY (20.95%). In terms of maximum drawdown, TOELY dropped -92.92% vs ATEYY's -56.48%.

Which has better risk-adjusted returns?

TOELY currently has the higher Sharpe Ratio (3.85 vs 2.91), 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.