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VIOG vs. RZG
Performance
Return for Risk
Dividends
Drawdowns
Volatility

VIOG vs. RZG

Last updated Apr 1, 2026

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

VIOG and RZG are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. 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. 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. Both VIOG and RZG 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

VIOG vs. RZG - Performance Comparison

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

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VIOG vs. RZG - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
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%
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%

Returns By Period

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

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%

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%
*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.

Vanguard S&P Small-Cap 600 Growth ETF

Invesco S&P SmallCap 600® Pure Growth ETF

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

VIOG vs. RZG - Expense Ratio Comparison

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

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

Return for Risk

VIOG vs. RZG — Risk / Return Rank

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

VIOG vs. RZG - Risk-Adjusted Trends Comparison

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

VIOGRZGDifference

Sharpe ratio

Return per unit of total volatility

0.80

0.99

-0.19

Sortino ratio

Return per unit of downside risk

1.28

1.55

-0.27

Omega ratio

Gain probability vs. loss probability

1.17

1.20

-0.03

Calmar ratio

Return relative to maximum drawdown

1.33

1.77

-0.44

Martin ratio

Return relative to average drawdown

5.39

7.39

-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.

VIOG vs. RZG - Sharpe Ratio Comparison

The current VIOG Sharpe Ratio is 0.80, which is comparable to the RZG Sharpe Ratio of 0.99. The chart below compares the historical Sharpe Ratios of VIOG and RZG, 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

VIOGRZGDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.80

0.99

-0.19

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.15

0.10

+0.05

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.43

0.36

+0.08

Sharpe Ratio (All Time)

Calculated using the full available price history

0.56

0.35

+0.21

Correlation

The correlation between VIOG and RZG 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

VIOG vs. RZG - Dividend Comparison

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

TTM20252024202320222021202020192018201720162015
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%
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%

Drawdowns

VIOG vs. RZG - Drawdown Comparison

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

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Drawdown Indicators

VIOGRZGDifference

Max Drawdown

Largest peak-to-trough decline

-41.73%

-58.52%

+16.79%

Max Drawdown (1Y)

Largest decline over 1 year

-13.82%

-13.42%

-0.40%

Max Drawdown (5Y)

Largest decline over 5 years

-29.15%

-38.33%

+9.18%

Max Drawdown (10Y)

Largest decline over 10 years

-41.73%

-54.02%

+12.29%

Current Drawdown

Current decline from peak

-5.85%

-4.71%

-1.14%

Average Drawdown

Average peak-to-trough decline

-7.69%

-12.22%

+4.53%

Ulcer Index

Depth and duration of drawdowns from previous peaks

3.41%

3.21%

+0.20%

Volatility

VIOG vs. RZG - Volatility Comparison

The current volatility for Vanguard S&P Small-Cap 600 Growth ETF (VIOG) is 7.21%, while Invesco S&P SmallCap 600® Pure Growth ETF (RZG) has a volatility of 8.31%. This indicates that VIOG experiences smaller price fluctuations and is considered to be less risky than RZG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

VIOGRZGDifference

Volatility (1M)

Calculated over the trailing 1-month period

7.21%

8.31%

-1.10%

Volatility (6M)

Calculated over the trailing 6-month period

13.04%

14.04%

-1.00%

Volatility (1Y)

Calculated over the trailing 1-year period

22.01%

22.70%

-0.69%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

21.54%

23.09%

-1.55%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

22.82%

24.62%

-1.80%