SMIZ vs. VO

Last updated Jun 4, 2026

SMIZ (Zacks Small/Mid Cap ETF) and VO (Vanguard Mid-Cap ETF) are both Mid Cap Blend Equities funds. SMIZ is actively managed, while VO is passively managed. Over the past year, SMIZ returned 30.97% vs 18.13% for VO. Their correlation of 0.92 suggests significant overlap in exposure. SMIZ charges 0.56%/yr vs 0.03%/yr for VO.

Performance

SMIZ vs. VO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Zacks Small/Mid Cap ETF (SMIZ) and Vanguard Mid-Cap ETF (VO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SMIZ achieves a 15.79% return, which is significantly higher than VO's 10.05% return.

SMIZ

• 1D: -0.83%
• 1M: 3.15%
• YTD: 15.79%
• 6M: 14.09%
• 1Y: 30.97%
• 3Y*: —
• 5Y*: —
• 10Y*: —

VO

• 1D: -0.45%
• 1M: 3.20%
• YTD: 10.05%
• 6M: 9.73%
• 1Y: 18.13%
• 3Y*: 16.69%
• 5Y*: 7.87%
• 10Y*: 11.55%

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

SMIZ vs. VO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
SMIZ Zacks Small/Mid Cap ETF	15.79%	12.16%	17.92%	16.39%
VO Vanguard Mid-Cap ETF	10.05%	11.62%	15.31%	15.23%

Correlation

The correlation between SMIZ and VO is 0.88, 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	0.88
Correlation (All Time) Calculated using the full available price history since Oct 4, 2023	0.92

The correlation between SMIZ and VO has been stable across timeframes, ranging from 0.88 to 0.92 - a consistent structural relationship.

SMIZ vs. VO - Sectors Allocation Comparison

Sectors	SMIZ	VO
Technology	24.7%	18.6%
Industrials	21.6%	17.9%
Financial Services	21.0%	12.8%
Healthcare	8.1%	7.6%
Consumer Cyclical	6.1%	8.6%
Consumer Defensive	4.2%	4.8%
Real Estate	3.5%	5.4%
Basic Materials	3.1%	4.2%
Energy	2.9%	8.5%
Utilities	2.6%	8.3%
Communication Services	2.4%	3.1%

Return for Risk

SMIZ vs. VO — Risk / Return Rank

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

SMIZ

SMIZ Risk / Return Rank: 58
SMIZ Sharpe Ratio Rank: 55
SMIZ Sortino Ratio Rank: 55
SMIZ Omega Ratio Rank: 53
SMIZ Calmar Ratio Rank: 61
SMIZ Martin Ratio Rank: 65

VO

VO Risk / Return Rank: 43
VO Sharpe Ratio Rank: 41
VO Sortino Ratio Rank: 41
VO Omega Ratio Rank: 38
VO Calmar Ratio Rank: 44
VO Martin Ratio Rank: 50

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.

SMIZ vs. VO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Zacks Small/Mid Cap ETF (SMIZ) and Vanguard Mid-Cap ETF (VO). 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.

	SMIZ	VO	Difference
Sharpe ratio: Return per unit of total volatility	1.86	1.48	+0.38
Sortino ratio: Return per unit of downside risk	2.63	2.14	+0.50
Omega ratio: Gain probability vs. loss probability	1.33	1.26	+0.07
Calmar ratio: Return relative to maximum drawdown	2.96	2.23	+0.73
Martin ratio: Return relative to average drawdown	11.82	8.50	+3.32
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SMIZ vs. VO - Sharpe Ratio Comparison

The current SMIZ Sharpe Ratio is 1.86, which is comparable to the VO Sharpe Ratio of 1.48. The chart below compares the historical Sharpe Ratios of SMIZ and VO, 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

	SMIZ	VO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.86	1.48	+0.38
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.45	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.61	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.29	0.50	+0.79

Drawdowns

SMIZ vs. VO - Drawdown Comparison

The maximum SMIZ drawdown since its inception was -25.04%, smaller than the maximum VO drawdown of -58.87%. Use the drawdown chart below to compare losses from any high point for SMIZ and VO.

Drawdown Indicators

	SMIZ	VO	Difference
Max Drawdown Largest peak-to-trough decline	-25.04%	-58.87%	+33.83%
Max Drawdown (1Y) Largest decline over 1 year	-10.51%	-8.17%	-2.34%
Max Drawdown (3Y) Largest decline over 3 years	—	-19.02%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-27.57%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-39.37%	—
Current Drawdown Current decline from peak	-0.83%	-0.45%	-0.38%
Average Drawdown Average peak-to-trough decline	-3.97%	-7.86%	+3.89%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.63%	2.14%	+0.49%

Volatility

SMIZ vs. VO - Volatility Comparison

Zacks Small/Mid Cap ETF (SMIZ) has a higher volatility of 4.59% compared to Vanguard Mid-Cap ETF (VO) at 2.99%. This indicates that SMIZ's price experiences larger fluctuations and is considered to be riskier than VO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SMIZ	VO	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.59%	2.99%	+1.60%
Volatility (6M) Calculated over the trailing 6-month period	12.79%	9.21%	+3.58%
Volatility (1Y) Calculated over the trailing 1-year period	16.76%	12.34%	+4.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.89%	17.59%	+1.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.89%	18.95%	-0.06%

SMIZ vs. VO - Expense Ratio Comparison

SMIZ has a 0.56% expense ratio, which is higher than VO's 0.03% expense ratio.

Dividends

SMIZ vs. VO - Dividend Comparison

SMIZ's dividend yield for the trailing twelve months is around 0.53%, less than VO's 1.36% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SMIZ Zacks Small/Mid Cap ETF	0.53%	0.62%	1.57%	0.07%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VO Vanguard Mid-Cap ETF	1.36%	1.52%	1.49%	1.52%	1.60%	1.12%	1.45%	1.48%	1.82%	1.35%	1.45%	1.47%

Frequently Asked Questions

Can I hold both SMIZ and VO in my portfolio?

SMIZ and VO have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SMIZ or VO?

SMIZ has higher volatility (4.59%) compared to VO (2.99%). In terms of maximum drawdown, SMIZ dropped -25.04% vs VO's -58.87%.

Which ETF is better, SMIZ or VO?

On 1-year performance, SMIZ leads with 30.97% vs 18.13% for VO. On fees, VO is cheaper at 0.03% per year. On volatility, VO has been the lower-risk option at 2.99%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SMIZ or VO?

Over the 1-year period, SMIZ has performed better with a 30.97% return vs 18.13%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SMIZ or VO?

VO is cheaper with a 0.03% expense ratio, compared with 0.56% for SMIZ.

Which ETF pays a higher dividend yield, SMIZ or VO?

VO has the higher dividend yield at 1.36%, compared with 0.53% for SMIZ.

What is the main difference between SMIZ and VO?

They also come from different issuers: Zacks and Vanguard. Their fees differ too: 0.56% for SMIZ and 0.03% for VO.

Which has better risk-adjusted returns?

SMIZ currently has the higher Sharpe Ratio (1.86 vs 1.48), 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.