RPG vs. IUSG

Last updated Jun 24, 2026

RPG (Invesco S&P 500 Pure Growth ETF) and IUSG (iShares Core S&P U.S. Growth ETF) are both Large Cap Growth Equities funds - RPG tracks the S&P 500/Citigroup Pure Growth Index while IUSG tracks the S&P 900 Growth Index. Both are passively managed. Over the past 10 years, RPG returned 15.14%/yr vs 17.77%/yr for IUSG. Their correlation of 0.90 suggests significant overlap in exposure. RPG charges 0.35%/yr vs 0.04%/yr for IUSG.

Performance

RPG vs. IUSG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco S&P 500 Pure Growth ETF (RPG) and iShares Core S&P U.S. Growth ETF (IUSG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RPG achieves a 30.31% return, which is significantly higher than IUSG's 9.19% return. Over the past 10 years, RPG has underperformed IUSG with an annualized return of 15.14%, while IUSG has yielded a comparatively higher 17.77% annualized return.

RPG

• 1D: -4.60%
• 1M: 5.48%
• YTD: 30.31%
• 6M: 27.62%
• 1Y: 38.51%
• 3Y*: 27.72%
• 5Y*: 11.59%
• 10Y*: 15.14%

IUSG

• 1D: -2.31%
• 1M: -1.86%
• YTD: 9.19%
• 6M: 7.87%
• 1Y: 26.96%
• 3Y*: 25.00%
• 5Y*: 13.77%
• 10Y*: 17.77%

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

RPG vs. IUSG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RPG Invesco S&P 500 Pure Growth ETF	30.31%	13.41%	28.23%	8.04%	-27.55%	29.40%	29.34%	28.34%	-4.53%	26.20%
IUSG iShares Core S&P U.S. Growth ETF	9.19%	21.23%	34.70%	29.28%	-28.81%	31.26%	32.65%	30.62%	-0.79%	27.02%

Correlation

The correlation between RPG and IUSG 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	0.85
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (10Y) Calculated over the trailing 10-year period	0.90
Correlation (All Time) Calculated using the full available price history since Mar 7, 2006	0.90

The correlation between RPG and IUSG has been stable across timeframes, ranging from 0.82 to 0.90 - a consistent structural relationship.

RPG vs. IUSG - Sectors Allocation Comparison

Sectors	RPG	IUSG
Technology	46.9%	50.8%
Consumer Cyclical	14.7%	8.4%
Industrials	14.0%	6.6%
Healthcare	6.4%	6.4%
Communication Services	5.4%	15.2%
Financial Services	5.3%	8.7%
Utilities	2.4%	1.1%
Energy	1.6%	0.3%
Basic Materials	1.2%	0.5%
Consumer Defensive	1.1%	1.2%
Real Estate	1.0%	0.8%

Return for Risk

RPG vs. IUSG — Risk / Return Rank

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

RPG

RPG Risk / Return Rank: 61
RPG Sharpe Ratio Rank: 55
RPG Sortino Ratio Rank: 52
RPG Omega Ratio Rank: 53
RPG Calmar Ratio Rank: 72
RPG Martin Ratio Rank: 73

IUSG

IUSG Risk / Return Rank: 47
IUSG Sharpe Ratio Rank: 48
IUSG Sortino Ratio Rank: 45
IUSG Omega Ratio Rank: 45
IUSG Calmar Ratio Rank: 43
IUSG Martin Ratio Rank: 51

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.

RPG vs. IUSG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco S&P 500 Pure Growth ETF (RPG) and iShares Core S&P U.S. Growth ETF (IUSG). 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.

	RPG	IUSG	Difference
Sharpe ratio: Return per unit of total volatility	1.75	1.60	+0.15
Sortino ratio: Return per unit of downside risk	2.37	2.20	+0.17
Omega ratio: Gain probability vs. loss probability	1.31	1.28	+0.03
Calmar ratio: Return relative to maximum drawdown	3.49	2.07	+1.42
Martin ratio: Return relative to average drawdown	13.16	8.45	+4.71

RPG vs. IUSG - Sharpe Ratio Comparison

The current RPG Sharpe Ratio is 1.75, which is comparable to the IUSG Sharpe Ratio of 1.60. The chart below compares the historical Sharpe Ratios of RPG and IUSG, 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

RPG vs. IUSG - Drawdown Comparison

The maximum RPG drawdown since its inception was -53.27%, smaller than the maximum IUSG drawdown of -63.41%. Use the drawdown chart below to compare losses from any high point for RPG and IUSG.

Drawdown Indicators

	RPG	IUSG	Difference
Max Drawdown Largest peak-to-trough decline	-53.27%	-63.41%	+10.14%
Max Drawdown (1Y) Largest decline over 1 year	-11.08%	-13.07%	+1.99%
Max Drawdown (3Y) Largest decline over 3 years	-24.75%	-22.28%	-2.47%
Max Drawdown (5Y) Largest decline over 5 years	-35.59%	-32.21%	-3.38%
Max Drawdown (10Y) Largest decline over 10 years	-36.58%	-32.35%	-4.23%
Current Drawdown Current decline from peak	-4.60%	-5.23%	+0.63%
Average Drawdown Average peak-to-trough decline	-8.83%	-21.40%	+12.57%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.93%	3.20%	-0.27%

Volatility

RPG vs. IUSG - Volatility Comparison

Invesco S&P 500 Pure Growth ETF (RPG) has a higher volatility of 11.10% compared to iShares Core S&P U.S. Growth ETF (IUSG) at 7.16%. This indicates that RPG's price experiences larger fluctuations and is considered to be riskier than IUSG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RPG	IUSG	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.10%	7.16%	+3.94%
Volatility (6M) Calculated over the trailing 6-month period	19.02%	13.66%	+5.36%
Volatility (1Y) Calculated over the trailing 1-year period	22.09%	16.92%	+5.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.86%	21.06%	+2.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.90%	20.48%	+2.42%

RPG vs. IUSG - Expense Ratio Comparison

RPG has a 0.35% expense ratio, which is higher than IUSG's 0.04% expense ratio.

Dividends

RPG vs. IUSG - Dividend Comparison

RPG's dividend yield for the trailing twelve months is around 0.15%, less than IUSG's 0.50% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IUSG iShares Core S&P U.S. Growth ETF	0.50%	0.53%	0.59%	1.12%	1.07%	0.59%	0.93%	1.64%	1.32%	1.28%	1.48%	1.29%
RPG Invesco S&P 500 Pure Growth ETF	0.15%	0.24%	0.25%	1.44%	0.74%	0.00%	0.46%	0.83%	0.47%	0.56%	0.43%	0.73%

Frequently Asked Questions

Can I hold both RPG and IUSG in my portfolio?

RPG and IUSG 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, RPG or IUSG?

RPG has higher volatility (11.10%) compared to IUSG (7.16%). In terms of maximum drawdown, RPG dropped -53.27% vs IUSG's -63.41%.

Which ETF is better, RPG or IUSG?

On 10-year performance, IUSG leads with 17.77% vs 15.14% for RPG. On fees, IUSG is cheaper at 0.04% per year. On volatility, IUSG has been the lower-risk option at 7.16%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RPG or IUSG?

Over the 10-year period, IUSG has performed better with a 17.77% return vs 15.14%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RPG or IUSG?

IUSG is cheaper with a 0.04% expense ratio, compared with 0.35% for RPG.

Which ETF pays a higher dividend yield, RPG or IUSG?

IUSG has the higher dividend yield at 0.50%, compared with 0.15% for RPG.

What is the main difference between RPG and IUSG?

RPG tracks S&P 500/Citigroup Pure Growth Index, while IUSG tracks S&P 900 Growth Index. They also come from different issuers: Invesco and iShares. Their fees differ too: 0.35% for RPG and 0.04% for IUSG.

Which has better risk-adjusted returns?

RPG currently has the higher Sharpe Ratio (1.75 vs 1.60), 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.