ROBO vs. SWPPX

Last updated Jun 4, 2026

ROBO (ROBO Global Robotics & Automation Index ETF) and SWPPX (Schwab S&P 500 Index Fund) are both funds - ROBO is a Robotics fund tracking the ROBO Global Robotics and Automation TR Index, while SWPPX is a Large Cap Blend Equities fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, ROBO returned 13.65%/yr vs 15.63%/yr for SWPPX. Their correlation of 0.82 suggests significant overlap in exposure. ROBO charges 0.95%/yr vs 0.02%/yr for SWPPX.

Performance

ROBO vs. SWPPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ROBO Global Robotics & Automation Index ETF (ROBO) and Schwab S&P 500 Index Fund (SWPPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ROBO achieves a 29.33% return, which is significantly higher than SWPPX's 11.69% return. Over the past 10 years, ROBO has underperformed SWPPX with an annualized return of 13.65%, while SWPPX has yielded a comparatively higher 15.63% annualized return.

ROBO

• 1D: -0.77%
• 1M: 10.56%
• YTD: 29.33%
• 6M: 30.40%
• 1Y: 59.43%
• 3Y*: 17.13%
• 5Y*: 7.13%
• 10Y*: 13.65%

SWPPX

• 1D: 0.15%
• 1M: 5.83%
• YTD: 11.69%
• 6M: 11.71%
• 1Y: 28.97%
• 3Y*: 22.73%
• 5Y*: 14.26%
• 10Y*: 15.63%

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

ROBO vs. SWPPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ROBO ROBO Global Robotics & Automation Index ETF	29.33%	23.71%	-1.28%	23.74%	-33.92%	15.34%	45.26%	29.51%	-20.92%	44.26%
SWPPX Schwab S&P 500 Index Fund	11.69%	17.87%	24.96%	26.26%	-18.14%	28.67%	18.38%	31.46%	-4.47%	21.81%

Correlation

The correlation between ROBO and SWPPX is 0.82, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.82
Correlation (3Y) Calculated over the trailing 3-year period	0.82
Correlation (5Y) Calculated over the trailing 5-year period	0.85
Correlation (10Y) Calculated over the trailing 10-year period	0.83
Correlation (All Time) Calculated using the full available price history since Oct 23, 2013	0.82

The correlation between ROBO and SWPPX has been stable across timeframes, ranging from 0.82 to 0.85 - a consistent structural relationship.

ROBO vs. SWPPX - Sectors Allocation Comparison

Sectors	ROBO	SWPPX
Industrials	46.8%	8.3%
Technology	41.9%	35.6%
Healthcare	4.9%	8.5%
Consumer Cyclical	3.1%	10.1%
Financial Services	2.2%	11.8%
Consumer Defensive	1.3%	4.9%
Communication Services	1.1%	11.2%
Basic Materials	-	1.8%
Energy	-	3.5%
Real Estate	-	1.9%
Utilities	-	2.4%

Return for Risk

ROBO vs. SWPPX — Risk / Return Rank

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

ROBO

ROBO Risk / Return Rank: 72
ROBO Sharpe Ratio Rank: 78
ROBO Sortino Ratio Rank: 74
ROBO Omega Ratio Rank: 70
ROBO Calmar Ratio Rank: 68
ROBO Martin Ratio Rank: 72

SWPPX

SWPPX Risk / Return Rank: 73
SWPPX Sharpe Ratio Rank: 75
SWPPX Sortino Ratio Rank: 67
SWPPX Omega Ratio Rank: 67
SWPPX Calmar Ratio Rank: 74
SWPPX Martin Ratio Rank: 83

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. SWPPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ROBO Global Robotics & Automation Index ETF (ROBO) and Schwab S&P 500 Index Fund (SWPPX). 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	SWPPX	Difference
Sharpe ratio: Return per unit of total volatility	2.60	2.52	+0.08
Sortino ratio: Return per unit of downside risk	3.41	3.41	0.00
Omega ratio: Gain probability vs. loss probability	1.43	1.46	-0.03
Calmar ratio: Return relative to maximum drawdown	3.44	3.36	+0.08
Martin ratio: Return relative to average drawdown	13.77	15.67	-1.90
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. SWPPX - Sharpe Ratio Comparison

The current ROBO Sharpe Ratio is 2.60, which is comparable to the SWPPX Sharpe Ratio of 2.52. The chart below compares the historical Sharpe Ratios of ROBO and SWPPX, 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	SWPPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.60	2.52	+0.08
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.30	0.85	-0.54
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.59	0.86	-0.27
Sharpe Ratio (All Time) Calculated using the full available price history	0.50	0.51	-0.02

Drawdowns

ROBO vs. SWPPX - Drawdown Comparison

The maximum ROBO drawdown since its inception was -43.65%, smaller than the maximum SWPPX drawdown of -55.06%. Use the drawdown chart below to compare losses from any high point for ROBO and SWPPX.

Drawdown Indicators

	ROBO	SWPPX	Difference
Max Drawdown Largest peak-to-trough decline	-43.65%	-55.06%	+11.41%
Max Drawdown (1Y) Largest decline over 1 year	-17.35%	-8.89%	-8.46%
Max Drawdown (3Y) Largest decline over 3 years	-27.92%	-18.74%	-9.18%
Max Drawdown (5Y) Largest decline over 5 years	-43.65%	-24.51%	-19.14%
Max Drawdown (10Y) Largest decline over 10 years	-43.65%	-33.80%	-9.85%
Current Drawdown Current decline from peak	-0.77%	0.00%	-0.77%
Average Drawdown Average peak-to-trough decline	-12.93%	-9.95%	-2.98%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.33%	1.90%	+2.43%

Volatility

ROBO vs. SWPPX - Volatility Comparison

ROBO Global Robotics & Automation Index ETF (ROBO) has a higher volatility of 7.64% compared to Schwab S&P 500 Index Fund (SWPPX) at 2.83%. This indicates that ROBO's price experiences larger fluctuations and is considered to be riskier than SWPPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ROBO	SWPPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.64%	2.83%	+4.81%
Volatility (6M) Calculated over the trailing 6-month period	18.06%	8.98%	+9.08%
Volatility (1Y) Calculated over the trailing 1-year period	23.01%	11.87%	+11.14%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.63%	16.93%	+6.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.16%	18.23%	+4.93%

ROBO vs. SWPPX - Expense Ratio Comparison

ROBO has a 0.95% expense ratio, which is higher than SWPPX's 0.02% expense ratio.

Dividends

ROBO vs. SWPPX - Dividend Comparison

ROBO's dividend yield for the trailing twelve months is around 0.33%, less than SWPPX's 0.99% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ROBO ROBO Global Robotics & Automation Index ETF	0.33%	0.42%	0.55%	0.05%	0.00%	0.18%	0.20%	0.37%	0.37%	0.02%	0.19%	0.28%
SWPPX Schwab S&P 500 Index Fund	0.99%	1.11%	1.23%	1.43%	1.67%	1.27%	1.81%	1.95%	2.67%	1.79%	2.55%	3.17%

Frequently Asked Questions

Can I hold both ROBO and SWPPX in my portfolio?

ROBO and SWPPX have a correlation of 0.82, 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 SWPPX?

ROBO has higher volatility (7.64%) compared to SWPPX (2.83%). In terms of maximum drawdown, ROBO dropped -43.65% vs SWPPX's -55.06%.

Which has better risk-adjusted returns?

ROBO currently has the higher Sharpe Ratio (2.60 vs 2.52), 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.