ZIG vs. VOO

Last updated Aug 2, 2026

ZIG (Acquirers Fund) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - ZIG is a Large Cap Blend Equities fund tracking the Acquirer's Index, while VOO is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 5 years, ZIG returned 8.51%/yr vs 12.83%/yr for VOO. Their 0.69 correlation means they have sometimes moved together and sometimes differently. ZIG charges 1.85%/yr vs 0.03%/yr for VOO.

Performance

ZIG vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Acquirers Fund (ZIG) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ZIG achieves a 9.38% return, which is significantly lower than VOO's 10.16% return.

ZIG

• 1D: -0.41%
• 1M: 1.77%
• 6M: 3.09%
• YTD: 9.38%
• 1Y: 11.44%
• 3Y*: 8.61%
• 5Y*: 8.51%
• 10Y*: —
• ALL TIME*: 7.70%

VOO

• 1D: 0.71%
• 1M: 0.26%
• 6M: 8.58%
• YTD: 10.16%
• 1Y: 21.58%
• 3Y*: 19.42%
• 5Y*: 12.83%
• 10Y*: 15.14%
• ALL TIME*: 14.78%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
VOO Vanguard S&P 500 ETF	$3.82B	$3.78B	$5.44B
ZIG Acquirers Fund	$47.34K	$37.66K	$42.49K

ZIG vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
ZIG Acquirers Fund	9.38%	-2.67%	11.34%	36.70%	-17.34%	37.38%	-15.76%	10.14%
VOO Vanguard S&P 500 ETF	10.16%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	15.34%

Correlation

The correlation between ZIG and VOO is 0.37, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.37
Correlation (3Y) Balances recent behavior with more history.	0.56
Correlation (5Y) Shows whether the relationship held over a longer period.	0.68
Correlation (All Time) Calculated using the full available price history since May 15, 2019	0.69

Over the past year, the correlation between ZIG and VOO has dropped to 0.37 - well below their long-term average of 0.69, suggesting their price drivers have been diverging.

ZIG vs. VOO - Sectors Allocation Comparison

Sectors	ZIG	VOO
Consumer Cyclical	36.7%	9.5%
Energy	19.7%	3.0%
Consumer Defensive	13.1%	4.5%
Industrials	9.9%	8.5%
Financial Services	6.6%	11.4%
Basic Materials	6.5%	1.7%
Technology	3.9%	38.6%
Healthcare	3.6%	8.9%
Communication Services	-	9.9%
Real Estate	-	1.8%
Utilities	-	2.2%

Return for Risk

ZIG vs. VOO — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

ZIG

ZIG Risk / Return Rank: 28
ZIG Sharpe Ratio Rank: 27
ZIG Sortino Ratio Rank: 29
ZIG Omega Ratio Rank: 26
ZIG Calmar Ratio Rank: 27
ZIG Martin Ratio Rank: 29

VOO

VOO Risk / Return Rank: 68
VOO Sharpe Ratio Rank: 68
VOO Sortino Ratio Rank: 65
VOO Omega Ratio Rank: 66
VOO Calmar Ratio Rank: 64
VOO Martin Ratio Rank: 76

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

ZIG vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Acquirers Fund (ZIG) and Vanguard S&P 500 ETF (VOO). 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.

	ZIG	VOO	Difference
Sharpe ratio: Return per unit of total volatility	0.64	1.53	-0.89
Sortino ratio: Return per unit of downside risk	1.11	2.13	-1.02
Omega ratio: Gain probability vs. loss probability	1.12	1.28	-0.15
Calmar ratio: Return relative to maximum drawdown	0.87	2.21	-1.34
Martin ratio: Return relative to average drawdown	2.58	9.44	-6.85

ZIG vs. VOO - Sharpe Ratio Comparison

The current ZIG Sharpe Ratio is 0.64, which is lower than the VOO Sharpe Ratio of 1.53. The chart below compares the historical Sharpe Ratios of ZIG and VOO, 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

ZIG vs. VOO - Drawdown Comparison

The maximum ZIG drawdown since its inception was -37.14%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for ZIG and VOO.

Drawdown Indicators

	ZIG	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-37.14%	-33.99%	-3.15%
Max Drawdown (1Y) Largest decline over 1 year	-12.38%	-8.90%	-3.48%
Max Drawdown (3Y) Largest decline over 3 years	-29.75%	-18.69%	-11.06%
Max Drawdown (5Y) Largest decline over 5 years	-29.75%	-24.52%	-5.23%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.99%	—
Current Drawdown Current decline from peak	-5.02%	-1.38%	-3.64%
Average Drawdown Average peak-to-trough decline	-9.65%	-3.67%	-5.98%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.14%	2.08%	+2.06%

Volatility

ZIG vs. VOO - Volatility Comparison

Acquirers Fund (ZIG) and Vanguard S&P 500 ETF (VOO) have volatilities of 3.47% and 3.54%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ZIG	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.47%	3.54%	-0.07%
Volatility (6M) Calculated over the trailing 6-month period	8.94%	10.10%	-1.16%
Volatility (1Y) Calculated over the trailing 1-year period	16.73%	12.82%	+3.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.48%	16.93%	+3.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.97%	18.01%	+3.96%

ZIG vs. VOO - Expense Ratio Comparison

ZIG has a 1.85% expense ratio, which is higher than VOO's 0.03% expense ratio.

Dividends

ZIG vs. VOO - Dividend Comparison

ZIG's dividend yield for the trailing twelve months is around 1.74%, more than VOO's 1.07% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VOO Vanguard S&P 500 ETF	1.07%	1.13%	1.24%	1.46%	1.69%	1.25%	1.54%	1.88%	2.06%	1.78%	2.02%	2.10%
ZIG Acquirers Fund	1.74%	1.91%	1.96%	1.07%	1.26%	0.18%	0.18%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both ZIG and VOO in my portfolio?

ZIG and VOO have a correlation of 0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ZIG or VOO?

VOO has higher volatility (3.54%) compared to ZIG (3.47%). In terms of maximum drawdown, ZIG dropped -37.14% vs VOO's -33.99%.

Which ETF is better, ZIG or VOO?

On 5-year performance, VOO leads with 12.83% vs 8.51% for ZIG. On fees, VOO is cheaper at 0.03% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ZIG or VOO?

Over the 5-year period, VOO has performed better with a 12.83% return vs 8.51%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ZIG or VOO?

VOO is cheaper with a 0.03% expense ratio, compared with 1.85% for ZIG.

Which ETF pays a higher dividend yield, ZIG or VOO?

ZIG has the higher dividend yield at 1.74%, compared with 1.07% for VOO.

What is the main difference between ZIG and VOO?

ZIG is categorized as Large Cap Blend Equities, while VOO is S&P 500. ZIG tracks Acquirer's Index, while VOO tracks S&P 500 Index. They also come from different issuers: Acquirers and Vanguard. Their fees differ too: 1.85% for ZIG and 0.03% for VOO.

Which has better risk-adjusted returns?

VOO currently has the higher Sharpe Ratio (1.53 vs 0.64), 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.