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RZG vs. VIOG
Performance
Return for Risk
Dividends
Drawdowns
Volatility

RZG vs. VIOG

Last updated Apr 1, 2026

Compare and contrast key facts about Invesco S&P SmallCap 600® Pure Growth ETF (RZG) and Vanguard S&P Small-Cap 600 Growth ETF (VIOG).

RZG and VIOG are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. RZG is a passively managed fund by Invesco that tracks the performance of the S&P Small Cap 600 Pure Growth. It was launched on Mar 1, 2006. VIOG is a passively managed fund by Vanguard that tracks the performance of the S&P SmallCap 600 Growth Index. It was launched on Sep 7, 2010. Both RZG and VIOG are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

RZG vs. VIOG - 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 S&P Small-Cap 600 Growth ETF (VIOG). The values are adjusted to include any dividend payments, if applicable.

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RZG vs. VIOG - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
RZG
Invesco S&P SmallCap 600® Pure Growth ETF		4.96%10.22%9.84%19.15%-29.00%21.01%17.76%14.25%-8.70%19.18%
VIOG
Vanguard S&P Small-Cap 600 Growth ETF		2.81%5.40%9.23%16.92%-21.14%22.49%19.68%21.16%-4.57%14.70%

Returns By Period

In the year-to-date period, RZG achieves a 4.96% return, which is significantly higher than VIOG's 2.81% return. Over the past 10 years, RZG has underperformed VIOG with an annualized return of 8.81%, while VIOG has yielded a comparatively higher 9.89% annualized return.

RZG

1D
4.17%
1M
-3.28%
YTD
4.96%
6M
4.88%
1Y
22.42%
3Y*
14.09%
5Y*
2.30%
10Y*
8.81%

VIOG

1D
3.50%
1M
-4.59%
YTD
2.81%
6M
2.72%
1Y
17.58%
3Y*
10.75%
5Y*
3.16%
10Y*
9.89%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

Invesco S&P SmallCap 600® Pure Growth ETF

Vanguard S&P Small-Cap 600 Growth ETF

Often compared with RZG:
RZG vs. VBKRZG vs. QQQRZG vs. ^GSPCRZG vs. FDGRZG vs. IWCRZG vs. IJRRZG vs. TNA
Often compared with VIOG:
VIOG vs. VBKVIOG vs. VIOVVIOG vs. VIOOVIOG vs. VTWGVIOG vs. SLYGVIOG vs. VOOVIOG vs. XSMO

RZG vs. VIOG - Expense Ratio Comparison

RZG has a 0.35% expense ratio, which is higher than VIOG's 0.15% expense ratio.

RZG
Invesco S&P SmallCap 600® Pure Growth ETF
VIOG
Vanguard S&P Small-Cap 600 Growth ETF

Return for Risk

RZG vs. VIOG — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
RZG
RZG Risk / Return Rank: 6363
Overall Rank
RZG Sharpe Ratio Rank: 5757
Sharpe Ratio Rank
RZG Sortino Ratio Rank: 6161
Sortino Ratio Rank
RZG Omega Ratio Rank: 5353
Omega Ratio Rank
RZG Calmar Ratio Rank: 7070
Calmar Ratio Rank
RZG Martin Ratio Rank: 7272
Martin Ratio Rank
VIOG
VIOG Risk / Return Rank: 5151
Overall Rank
VIOG Sharpe Ratio Rank: 4747
Sharpe Ratio Rank
VIOG Sortino Ratio Rank: 5050
Sortino Ratio Rank
VIOG Omega Ratio Rank: 4545
Omega Ratio Rank
VIOG Calmar Ratio Rank: 5656
Calmar Ratio Rank
VIOG Martin Ratio Rank: 5858
Martin Ratio Rank
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. VIOG - 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 S&P Small-Cap 600 Growth ETF (VIOG). 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.

RZGVIOGDifference

Sharpe ratio

Return per unit of total volatility

0.99

0.80

+0.19

Sortino ratio

Return per unit of downside risk

1.55

1.28

+0.27

Omega ratio

Gain probability vs. loss probability

1.20

1.17

+0.03

Calmar ratio

Return relative to maximum drawdown

1.77

1.33

+0.44

Martin ratio

Return relative to average drawdown

7.39

5.39

+2.00

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. VIOG - Sharpe Ratio Comparison

The current RZG Sharpe Ratio is 0.99, which is comparable to the VIOG Sharpe Ratio of 0.80. The chart below compares the historical Sharpe Ratios of RZG and VIOG, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

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Sharpe Ratios by Period

RZGVIOGDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.99

0.80

+0.19

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.10

0.15

-0.05

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.36

0.43

-0.08

Sharpe Ratio (All Time)

Calculated using the full available price history

0.35

0.56

-0.21

Correlation

The correlation between RZG and VIOG is 0.93, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

RZG vs. VIOG - Dividend Comparison

RZG's dividend yield for the trailing twelve months is around 0.47%, less than VIOG's 0.94% yield.

TTM20252024202320222021202020192018201720162015
RZG
Invesco S&P SmallCap 600® Pure Growth ETF		0.47%0.37%0.95%1.43%1.59%0.22%0.49%0.70%0.46%0.44%0.65%0.70%
VIOG
Vanguard S&P Small-Cap 600 Growth ETF		0.94%1.04%1.03%1.15%1.17%0.69%0.68%1.09%0.76%0.87%0.92%1.04%

Drawdowns

RZG vs. VIOG - Drawdown Comparison

The maximum RZG drawdown since its inception was -58.52%, which is greater than VIOG's maximum drawdown of -41.73%. Use the drawdown chart below to compare losses from any high point for RZG and VIOG.

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Drawdown Indicators

RZGVIOGDifference

Max Drawdown

Largest peak-to-trough decline

-58.52%

-41.73%

-16.79%

Max Drawdown (1Y)

Largest decline over 1 year

-13.42%

-13.82%

+0.40%

Max Drawdown (5Y)

Largest decline over 5 years

-38.33%

-29.15%

-9.18%

Max Drawdown (10Y)

Largest decline over 10 years

-54.02%

-41.73%

-12.29%

Current Drawdown

Current decline from peak

-4.71%

-5.85%

+1.14%

Average Drawdown

Average peak-to-trough decline

-12.22%

-7.69%

-4.53%

Ulcer Index

Depth and duration of drawdowns from previous peaks

3.21%

3.41%

-0.20%

Volatility

RZG vs. VIOG - Volatility Comparison

Invesco S&P SmallCap 600® Pure Growth ETF (RZG) has a higher volatility of 8.31% compared to Vanguard S&P Small-Cap 600 Growth ETF (VIOG) at 7.21%. This indicates that RZG's price experiences larger fluctuations and is considered to be riskier than VIOG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

RZGVIOGDifference

Volatility (1M)

Calculated over the trailing 1-month period

8.31%

7.21%

+1.10%

Volatility (6M)

Calculated over the trailing 6-month period

14.04%

13.04%

+1.00%

Volatility (1Y)

Calculated over the trailing 1-year period

22.70%

22.01%

+0.69%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

23.09%

21.54%

+1.55%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

24.62%

22.82%

+1.80%