RZG vs. VB

Last updated Jun 4, 2026

RZG (Invesco S&P SmallCap 600® Pure Growth ETF) and VB (Vanguard Small-Cap ETF) are both exchange-traded funds - RZG is a Small Cap Growth Equities fund tracking the S&P Small Cap 600 Pure Growth, while VB is a Small Cap Blend Equities fund tracking the CRSP US Small Cap Index. Both are passively managed. Over the past 10 years, RZG returned 9.65%/yr vs 11.30%/yr for VB. Their correlation of 0.88 suggests significant overlap in exposure. RZG charges 0.35%/yr vs 0.05%/yr for VB.

Performance

RZG vs. VB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco S&P SmallCap 600® Pure Growth ETF (RZG) and Vanguard Small-Cap ETF (VB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RZG achieves a 18.15% return, which is significantly higher than VB's 14.16% return. Over the past 10 years, RZG has underperformed VB with an annualized return of 9.65%, while VB has yielded a comparatively higher 11.30% annualized return.

RZG

• 1D: -0.14%
• 1M: -0.10%
• YTD: 18.15%
• 6M: 16.98%
• 1Y: 30.70%
• 3Y*: 17.12%
• 5Y*: 4.85%
• 10Y*: 9.65%

VB

• 1D: -0.65%
• 1M: 3.52%
• YTD: 14.16%
• 6M: 14.12%
• 1Y: 28.82%
• 3Y*: 17.05%
• 5Y*: 7.11%
• 10Y*: 11.30%

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

RZG vs. VB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RZG Invesco S&P SmallCap 600® Pure Growth ETF	18.15%	10.22%	9.84%	19.15%	-29.00%	21.01%	17.76%	14.25%	-8.70%	19.18%
VB Vanguard Small-Cap ETF	14.16%	8.87%	14.17%	18.22%	-17.51%	17.57%	19.19%	27.34%	-9.34%	16.26%

Correlation

The correlation between RZG and VB is 0.90, 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	0.90
Correlation (3Y) Calculated over the trailing 3-year period	0.93
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (10Y) Calculated over the trailing 10-year period	0.93
Correlation (All Time) Calculated using the full available price history since Mar 8, 2006	0.88

The correlation between RZG and VB has been stable across timeframes, ranging from 0.88 to 0.94 - a consistent structural relationship.

RZG vs. VB - Sectors Allocation Comparison

Sectors	RZG	VB
Healthcare	22.0%	11.1%
Industrials	18.2%	20.8%
Technology	16.8%	17.2%
Financial Services	15.0%	12.6%
Consumer Cyclical	8.8%	11.3%
Real Estate	7.6%	7.6%
Consumer Defensive	5.9%	3.4%
Energy	3.0%	4.7%
Communication Services	1.9%	3.1%
Basic Materials	0.4%	4.8%
Utilities	0.4%	3.3%

Return for Risk

RZG vs. VB — Risk / Return Rank

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

RZG

RZG Risk / Return Rank: 56
RZG Sharpe Ratio Rank: 48
RZG Sortino Ratio Rank: 51
RZG Omega Ratio Rank: 45
RZG Calmar Ratio Rank: 72
RZG Martin Ratio Rank: 65

VB

VB Risk / Return Rank: 56
VB Sharpe Ratio Rank: 51
VB Sortino Ratio Rank: 51
VB Omega Ratio Rank: 48
VB Calmar Ratio Rank: 64
VB Martin Ratio Rank: 64

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.

RZG vs. VB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco S&P SmallCap 600® Pure Growth ETF (RZG) and Vanguard Small-Cap ETF (VB). 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.

	RZG	VB	Difference
Sharpe ratio: Return per unit of total volatility	1.66	1.78	-0.12
Sortino ratio: Return per unit of downside risk	2.48	2.56	-0.08
Omega ratio: Gain probability vs. loss probability	1.29	1.31	-0.02
Calmar ratio: Return relative to maximum drawdown	3.58	3.22	+0.35
Martin ratio: Return relative to average drawdown	11.94	11.87	+0.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RZG vs. VB - Sharpe Ratio Comparison

The current RZG Sharpe Ratio is 1.66, which is comparable to the VB Sharpe Ratio of 1.78. The chart below compares the historical Sharpe Ratios of RZG and VB, 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

	RZG	VB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.66	1.78	-0.12
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.21	0.34	-0.13
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.39	0.53	-0.14
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	0.44	-0.07

Drawdowns

RZG vs. VB - Drawdown Comparison

The maximum RZG drawdown since its inception was -58.52%, roughly equal to the maximum VB drawdown of -59.56%. Use the drawdown chart below to compare losses from any high point for RZG and VB.

Drawdown Indicators

	RZG	VB	Difference
Max Drawdown Largest peak-to-trough decline	-58.52%	-59.56%	+1.04%
Max Drawdown (1Y) Largest decline over 1 year	-8.63%	-8.98%	+0.35%
Max Drawdown (3Y) Largest decline over 3 years	-25.73%	-25.36%	-0.37%
Max Drawdown (5Y) Largest decline over 5 years	-38.33%	-28.15%	-10.18%
Max Drawdown (10Y) Largest decline over 10 years	-54.02%	-42.05%	-11.97%
Current Drawdown Current decline from peak	-1.92%	-0.65%	-1.27%
Average Drawdown Average peak-to-trough decline	-12.13%	-8.44%	-3.69%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.58%	2.43%	+0.15%

Volatility

RZG vs. VB - Volatility Comparison

Invesco S&P SmallCap 600® Pure Growth ETF (RZG) has a higher volatility of 4.68% compared to Vanguard Small-Cap ETF (VB) at 4.42%. This indicates that RZG's price experiences larger fluctuations and is considered to be riskier than VB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RZG	VB	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.68%	4.42%	+0.26%
Volatility (6M) Calculated over the trailing 6-month period	13.57%	11.72%	+1.85%
Volatility (1Y) Calculated over the trailing 1-year period	18.57%	16.28%	+2.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.97%	20.74%	+2.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.64%	21.42%	+3.22%

RZG vs. VB - Expense Ratio Comparison

RZG has a 0.35% expense ratio, which is higher than VB's 0.05% expense ratio.

Dividends

RZG vs. VB - Dividend Comparison

RZG's dividend yield for the trailing twelve months is around 0.42%, less than VB's 1.19% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RZG Invesco S&P SmallCap 600® Pure Growth ETF	0.42%	0.37%	0.95%	1.43%	1.59%	0.22%	0.49%	0.70%	0.46%	0.44%	0.65%	0.70%
VB Vanguard Small-Cap ETF	1.19%	1.33%	1.30%	1.55%	1.59%	1.24%	1.14%	1.39%	1.67%	1.35%	1.50%	1.48%

Frequently Asked Questions

Can I hold both RZG and VB in my portfolio?

With a correlation of 0.90, RZG and VB move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, RZG or VB?

RZG has higher volatility (4.68%) compared to VB (4.42%). In terms of maximum drawdown, RZG dropped -58.52% vs VB's -59.56%.

Which ETF is better, RZG or VB?

On 10-year performance, VB leads with 11.30% vs 9.65% for RZG. On fees, VB is cheaper at 0.05% per year. On volatility, VB has been the lower-risk option at 4.42%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RZG or VB?

Over the 10-year period, VB has performed better with a 11.30% return vs 9.65%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RZG or VB?

VB is cheaper with a 0.05% expense ratio, compared with 0.35% for RZG.

Which ETF pays a higher dividend yield, RZG or VB?

VB has the higher dividend yield at 1.19%, compared with 0.42% for RZG.

What is the main difference between RZG and VB?

RZG is categorized as Small Cap Growth Equities, while VB is Small Cap Blend Equities. RZG tracks S&P Small Cap 600 Pure Growth, while VB tracks CRSP US Small Cap Index. They also come from different issuers: Invesco and Vanguard. Their fees differ too: 0.35% for RZG and 0.05% for VB.

Which has better risk-adjusted returns?

VB currently has the higher Sharpe Ratio (1.78 vs 1.66), 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.