GSY vs. RSP

Last updated Jun 5, 2026

GSY (Invesco Ultra Short Duration ETF) and RSP (Invesco S&P 500 Equal Weight ETF) are both exchange-traded funds - GSY is a Ultrashort Bond fund actively managed by Invesco, while RSP is a S&P 500 fund tracking the S&P 500 Equal Weight Index. GSY is actively managed, while RSP is passively managed. Over the past 10 years, GSY returned 2.87%/yr vs 11.86%/yr for RSP. At a 0.02 correlation, their price movements are largely independent. GSY charges 0.22%/yr vs 0.20%/yr for RSP.

Performance

GSY vs. RSP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Ultra Short Duration ETF (GSY) and Invesco S&P 500 Equal Weight ETF (RSP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GSY achieves a 1.63% return, which is significantly lower than RSP's 10.53% return. Over the past 10 years, GSY has underperformed RSP with an annualized return of 2.87%, while RSP has yielded a comparatively higher 11.86% annualized return.

GSY

• 1D: 0.04%
• 1M: 0.42%
• YTD: 1.63%
• 6M: 2.00%
• 1Y: 4.54%
• 3Y*: 5.45%
• 5Y*: 3.66%
• 10Y*: 2.87%

RSP

• 1D: 0.76%
• 1M: 3.73%
• YTD: 10.53%
• 6M: 10.98%
• 1Y: 20.68%
• 3Y*: 15.65%
• 5Y*: 8.50%
• 10Y*: 11.86%

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

GSY vs. RSP - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GSY Invesco Ultra Short Duration ETF	1.63%	4.96%	5.95%	5.99%	0.01%	0.03%	1.88%	3.39%	2.18%	1.86%
RSP Invesco S&P 500 Equal Weight ETF	10.53%	11.21%	12.79%	13.70%	-11.62%	29.41%	12.66%	28.91%	-7.84%	18.52%

Correlation

The correlation between GSY and RSP is 0.23, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.23
Correlation (3Y) Calculated over the trailing 3-year period	0.18
Correlation (5Y) Calculated over the trailing 5-year period	0.12
Correlation (10Y) Calculated over the trailing 10-year period	0.06
Correlation (All Time) Calculated using the full available price history since Feb 13, 2008	0.02

Over the past year, GSY and RSP have become more correlated (0.23) than their long-term average of 0.02, meaning their price movements have been converging.

GSY vs. RSP - Sectors Allocation Comparison

Sectors	GSY	RSP
Financial Services	29.0%	14.5%
Technology	4.7%	19.6%
Real Estate	4.2%	6.0%
Consumer Cyclical	4.1%	9.9%
Healthcare	2.9%	11.0%
Energy	2.7%	4.5%
Industrials	2.6%	14.1%
Communication Services	2.3%	3.7%
Consumer Defensive	2.2%	6.5%
Utilities	1.9%	6.1%
Basic Materials	1.5%	4.1%

Return for Risk

GSY vs. RSP — Risk / Return Rank

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

GSY

GSY Risk / Return Rank: 100
GSY Sharpe Ratio Rank: 100
GSY Sortino Ratio Rank: 100
GSY Omega Ratio Rank: 100
GSY Calmar Ratio Rank: 100
GSY Martin Ratio Rank: 100

RSP

RSP Risk / Return Rank: 55
RSP Sharpe Ratio Rank: 54
RSP Sortino Ratio Rank: 55
RSP Omega Ratio Rank: 52
RSP Calmar Ratio Rank: 55
RSP Martin Ratio Rank: 58

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.

GSY vs. RSP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Ultra Short Duration ETF (GSY) and Invesco S&P 500 Equal Weight ETF (RSP). 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.

	GSY	RSP	Difference
Sharpe ratio: Return per unit of total volatility	11.52	1.80	+9.72
Sortino ratio: Return per unit of downside risk	29.56	2.60	+26.96
Omega ratio: Gain probability vs. loss probability	7.01	1.32	+5.70
Calmar ratio: Return relative to maximum drawdown	76.07	2.64	+73.42
Martin ratio: Return relative to average drawdown	397.69	10.05	+387.65
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GSY vs. RSP - Sharpe Ratio Comparison

The current GSY Sharpe Ratio is 11.52, which is higher than the RSP Sharpe Ratio of 1.80. The chart below compares the historical Sharpe Ratios of GSY and RSP, 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

	GSY	RSP	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	11.52	1.80	+9.72
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	6.30	0.53	+5.77
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	2.35	0.65	+1.71
Sharpe Ratio (All Time) Calculated using the full available price history	0.46	0.57	-0.11

Drawdowns

GSY vs. RSP - Drawdown Comparison

The maximum GSY drawdown since its inception was -12.14%, smaller than the maximum RSP drawdown of -59.92%. Use the drawdown chart below to compare losses from any high point for GSY and RSP.

Drawdown Indicators

	GSY	RSP	Difference
Max Drawdown Largest peak-to-trough decline	-12.14%	-59.92%	+47.78%
Max Drawdown (1Y) Largest decline over 1 year	-0.06%	-7.85%	+7.79%
Max Drawdown (3Y) Largest decline over 3 years	-0.18%	-17.81%	+17.63%
Max Drawdown (5Y) Largest decline over 5 years	-1.48%	-21.38%	+19.90%
Max Drawdown (10Y) Largest decline over 10 years	-5.25%	-39.04%	+33.79%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-2.39%	-6.65%	+4.26%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.01%	2.06%	-2.05%

Volatility

GSY vs. RSP - Volatility Comparison

The current volatility for Invesco Ultra Short Duration ETF (GSY) is 0.14%, while Invesco S&P 500 Equal Weight ETF (RSP) has a volatility of 2.55%. This indicates that GSY experiences smaller price fluctuations and is considered to be less risky than RSP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GSY	RSP	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.14%	2.55%	-2.41%
Volatility (6M) Calculated over the trailing 6-month period	0.29%	8.31%	-8.02%
Volatility (1Y) Calculated over the trailing 1-year period	0.40%	11.56%	-11.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.58%	16.18%	-15.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.22%	18.35%	-17.13%

GSY vs. RSP - Expense Ratio Comparison

GSY has a 0.22% expense ratio, which is higher than RSP's 0.20% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

GSY vs. RSP - Dividend Comparison

GSY's dividend yield for the trailing twelve months is around 4.34%, more than RSP's 1.48% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GSY Invesco Ultra Short Duration ETF	4.34%	4.56%	5.31%	4.95%	1.70%	0.58%	1.45%	2.71%	2.30%	1.80%	1.21%	1.17%
RSP Invesco S&P 500 Equal Weight ETF	1.48%	1.64%	1.52%	1.64%	1.82%	1.28%	1.64%	1.69%	2.02%	1.52%	1.20%	1.70%

Frequently Asked Questions

Can I hold both GSY and RSP in my portfolio?

GSY and RSP have a correlation of 0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GSY or RSP?

RSP has higher volatility (2.55%) compared to GSY (0.14%). In terms of maximum drawdown, GSY dropped -12.14% vs RSP's -59.92%.

Which ETF is better, GSY or RSP?

On 10-year performance, RSP leads with 11.86% vs 2.87% for GSY. On fees, RSP is cheaper at 0.20% per year. On volatility, GSY has been the lower-risk option at 0.14%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GSY or RSP?

Over the 10-year period, RSP has performed better with a 11.86% return vs 2.87%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GSY or RSP?

RSP is cheaper with a 0.20% expense ratio, compared with 0.22% for GSY.

Which ETF pays a higher dividend yield, GSY or RSP?

GSY has the higher dividend yield at 4.34%, compared with 1.48% for RSP.

What is the main difference between GSY and RSP?

GSY is categorized as Ultrashort Bond, while RSP is S&P 500. Their fees differ too: 0.22% for GSY and 0.20% for RSP.

Which has better risk-adjusted returns?

GSY currently has the higher Sharpe Ratio (11.52 vs 1.80), 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.