ROBO vs. SIEGY

Last updated Jun 9, 2026

ROBO (ROBO Global Robotics & Automation Index ETF) is Robotics fund tracking the ROBO Global Robotics and Automation TR Index, while SIEGY (Siemens Aktiengesellschaft) is a stock. Over the past 10 years, ROBO returned 13.02%/yr vs 15.70%/yr for SIEGY. A 0.66 correlation means they provide meaningful diversification when combined.

Performance

ROBO vs. SIEGY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ROBO Global Robotics & Automation Index ETF (ROBO) and Siemens Aktiengesellschaft (SIEGY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ROBO achieves a 21.67% return, which is significantly higher than SIEGY's 12.35% return. Over the past 10 years, ROBO has underperformed SIEGY with an annualized return of 13.02%, while SIEGY has yielded a comparatively higher 15.70% annualized return.

ROBO

• 1D: 1.14%
• 1M: -2.60%
• YTD: 21.67%
• 6M: 19.42%
• 1Y: 48.39%
• 3Y*: 14.36%
• 5Y*: 5.97%
• 10Y*: 13.02%

SIEGY

• 1D: 0.66%
• 1M: -1.90%
• YTD: 12.35%
• 6M: 15.52%
• 1Y: 25.84%
• 3Y*: 24.82%
• 5Y*: 15.96%
• 10Y*: 15.70%

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

ROBO vs. SIEGY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ROBO ROBO Global Robotics & Automation Index ETF	21.67%	23.71%	-1.28%	23.74%	-33.92%	15.34%	45.26%	29.51%	-20.92%	44.26%
SIEGY Siemens Aktiengesellschaft	12.35%	48.14%	6.32%	39.98%	-18.92%	22.99%	23.99%	19.10%	-17.30%	21.90%

Correlation

The correlation between ROBO and SIEGY is 0.71, 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	0.71
Correlation (3Y) Calculated over the trailing 3-year period	0.65
Correlation (5Y) Calculated over the trailing 5-year period	0.67
Correlation (10Y) Calculated over the trailing 10-year period	0.65
Correlation (All Time) Calculated using the full available price history since May 19, 2014	0.66

The correlation between ROBO and SIEGY has been stable across timeframes, ranging from 0.65 to 0.71 - a consistent structural relationship.

Return for Risk

ROBO vs. SIEGY — Risk / Return Rank

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

ROBO

ROBO Risk / Return Rank: 65
ROBO Sharpe Ratio Rank: 69
ROBO Sortino Ratio Rank: 65
ROBO Omega Ratio Rank: 64
ROBO Calmar Ratio Rank: 62
ROBO Martin Ratio Rank: 66

SIEGY

SIEGY Risk / Return Rank: 65
SIEGY Sharpe Ratio Rank: 68
SIEGY Sortino Ratio Rank: 61
SIEGY Omega Ratio Rank: 60
SIEGY Calmar Ratio Rank: 65
SIEGY Martin Ratio Rank: 71

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.

ROBO vs. SIEGY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ROBO Global Robotics & Automation Index ETF (ROBO) and Siemens Aktiengesellschaft (SIEGY). 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.

	ROBO	SIEGY	Difference
Sharpe ratio: Return per unit of total volatility	2.04	0.80	+1.24
Sortino ratio: Return per unit of downside risk	2.70	1.25	+1.45
Omega ratio: Gain probability vs. loss probability	1.35	1.16	+0.19
Calmar ratio: Return relative to maximum drawdown	2.80	1.12	+1.68
Martin ratio: Return relative to average drawdown	11.09	3.65	+7.44
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ROBO vs. SIEGY - Sharpe Ratio Comparison

The current ROBO Sharpe Ratio is 2.04, which is higher than the SIEGY Sharpe Ratio of 0.80. The chart below compares the historical Sharpe Ratios of ROBO and SIEGY, 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

	ROBO	SIEGY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.04	0.80	+1.24
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.25	0.51	-0.25
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.56	0.53	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.47	0.41	+0.06

Drawdowns

ROBO vs. SIEGY - Drawdown Comparison

The maximum ROBO drawdown since its inception was -43.65%, smaller than the maximum SIEGY drawdown of -54.15%. Use the drawdown chart below to compare losses from any high point for ROBO and SIEGY.

Drawdown Indicators

	ROBO	SIEGY	Difference
Max Drawdown Largest peak-to-trough decline	-43.65%	-54.15%	+10.50%
Max Drawdown (1Y) Largest decline over 1 year	-17.35%	-23.23%	+5.88%
Max Drawdown (3Y) Largest decline over 3 years	-27.92%	-29.91%	+1.99%
Max Drawdown (5Y) Largest decline over 5 years	-43.65%	-46.02%	+2.37%
Max Drawdown (10Y) Largest decline over 10 years	-43.65%	-54.15%	+10.50%
Current Drawdown Current decline from peak	-6.65%	-4.81%	-1.84%
Average Drawdown Average peak-to-trough decline	-12.93%	-12.84%	-0.09%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.38%	7.10%	-2.72%

Volatility

ROBO vs. SIEGY - Volatility Comparison

ROBO Global Robotics & Automation Index ETF (ROBO) and Siemens Aktiengesellschaft (SIEGY) have volatilities of 9.66% and 9.22%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ROBO	SIEGY	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.66%	9.22%	+0.44%
Volatility (6M) Calculated over the trailing 6-month period	19.04%	25.87%	-6.83%
Volatility (1Y) Calculated over the trailing 1-year period	23.89%	32.64%	-8.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.79%	31.69%	-7.90%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.24%	29.57%	-6.33%

Dividends

ROBO vs. SIEGY - Dividend Comparison

ROBO's dividend yield for the trailing twelve months is around 0.35%, less than SIEGY's 2.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ROBO ROBO Global Robotics & Automation Index ETF	0.35%	0.42%	0.55%	0.05%	0.00%	0.18%	0.20%	0.37%	0.37%	0.02%	0.19%	0.28%
SIEGY Siemens Aktiengesellschaft	2.06%	1.94%	2.64%	2.43%	2.42%	1.81%	10.83%	2.44%	2.86%	6.82%	5.76%	2.87%

Frequently Asked Questions

Can I hold both ROBO and SIEGY in my portfolio?

ROBO and SIEGY have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ROBO or SIEGY?

ROBO has higher volatility (9.66%) compared to SIEGY (9.22%). In terms of maximum drawdown, ROBO dropped -43.65% vs SIEGY's -54.15%.

Which has better risk-adjusted returns?

ROBO currently has the higher Sharpe Ratio (2.04 vs 0.80), 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.