IQSU vs. VOO

Last updated Jun 4, 2026

IQSU (IQ Candriam ESG U.S. Equity ETF) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - IQSU is a Large Cap Growth Equities fund tracking the IQ Candriam ESG US Equity Index, while VOO is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 5 years, IQSU returned 12.84%/yr vs 13.90%/yr for VOO. Their correlation of 0.94 suggests significant overlap in exposure. IQSU charges 0.09%/yr vs 0.03%/yr for VOO.

Performance

IQSU vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in IQ Candriam ESG U.S. Equity ETF (IQSU) 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, IQSU achieves a 13.06% return, which is significantly higher than VOO's 10.91% return.

IQSU

• 1D: -0.46%
• 1M: 6.63%
• YTD: 13.06%
• 6M: 13.30%
• 1Y: 29.34%
• 3Y*: 19.64%
• 5Y*: 12.84%
• 10Y*: —

VOO

• 1D: -0.70%
• 1M: 5.04%
• YTD: 10.91%
• 6M: 10.93%
• 1Y: 28.04%
• 3Y*: 22.44%
• 5Y*: 13.90%
• 10Y*: 15.56%

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

IQSU vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
IQSU IQ Candriam ESG U.S. Equity ETF	13.06%	14.44%	16.64%	32.96%	-22.10%	30.53%	28.24%	1.24%
VOO Vanguard S&P 500 ETF	10.91%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	1.25%

Correlation

The correlation between IQSU and VOO is 0.93, 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	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.97
Correlation (All Time) Calculated using the full available price history since Dec 18, 2019	0.94

The correlation between IQSU and VOO has been stable across timeframes, ranging from 0.93 to 0.97 - a consistent structural relationship.

IQSU vs. VOO - Sectors Allocation Comparison

Sectors	IQSU	VOO
Technology	34.0%	35.7%
Communication Services	15.0%	11.3%
Consumer Cyclical	14.8%	10.2%
Financial Services	11.7%	11.6%
Industrials	6.8%	8.3%
Healthcare	6.2%	8.5%
Consumer Defensive	3.5%	4.9%
Real Estate	2.8%	1.9%
Basic Materials	2.7%	1.8%
Energy	1.3%	3.5%
Utilities	1.2%	2.4%

Return for Risk

IQSU vs. VOO — Risk / Return Rank

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

IQSU

IQSU Risk / Return Rank: 61
IQSU Sharpe Ratio Rank: 64
IQSU Sortino Ratio Rank: 62
IQSU Omega Ratio Rank: 64
IQSU Calmar Ratio Rank: 54
IQSU Martin Ratio Rank: 61

VOO

VOO Risk / Return Rank: 70
VOO Sharpe Ratio Rank: 71
VOO Sortino Ratio Rank: 70
VOO Omega Ratio Rank: 70
VOO Calmar Ratio Rank: 62
VOO Martin Ratio Rank: 75

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.

IQSU vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for IQ Candriam ESG U.S. Equity ETF (IQSU) 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.

	IQSU	VOO	Difference
Sharpe ratio: Return per unit of total volatility	2.13	2.39	-0.26
Sortino ratio: Return per unit of downside risk	2.91	3.25	-0.35
Omega ratio: Gain probability vs. loss probability	1.39	1.43	-0.05
Calmar ratio: Return relative to maximum drawdown	2.64	3.16	-0.53
Martin ratio: Return relative to average drawdown	10.74	14.73	-3.99
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IQSU vs. VOO - Sharpe Ratio Comparison

The current IQSU Sharpe Ratio is 2.13, which is comparable to the VOO Sharpe Ratio of 2.39. The chart below compares the historical Sharpe Ratios of IQSU 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.

Sharpe Ratios by Period

	IQSU	VOO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.13	2.39	-0.26
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.72	0.83	-0.11
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.87	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.79	0.89	-0.10

Drawdowns

IQSU vs. VOO - Drawdown Comparison

The maximum IQSU drawdown since its inception was -31.29%, smaller than the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for IQSU and VOO.

Drawdown Indicators

	IQSU	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-31.29%	-33.99%	+2.70%
Max Drawdown (1Y) Largest decline over 1 year	-11.18%	-8.90%	-2.28%
Max Drawdown (3Y) Largest decline over 3 years	-20.96%	-18.69%	-2.27%
Max Drawdown (5Y) Largest decline over 5 years	-26.76%	-24.52%	-2.24%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.99%	—
Current Drawdown Current decline from peak	-0.48%	-0.70%	+0.22%
Average Drawdown Average peak-to-trough decline	-5.99%	-3.69%	-2.30%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.74%	1.91%	+0.83%

Volatility

IQSU vs. VOO - Volatility Comparison

IQ Candriam ESG U.S. Equity ETF (IQSU) has a higher volatility of 3.64% compared to Vanguard S&P 500 ETF (VOO) at 2.84%. This indicates that IQSU's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IQSU	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.64%	2.84%	+0.80%
Volatility (6M) Calculated over the trailing 6-month period	9.83%	8.90%	+0.93%
Volatility (1Y) Calculated over the trailing 1-year period	13.85%	11.80%	+2.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.88%	16.81%	+1.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.68%	18.01%	+2.67%

IQSU vs. VOO - Expense Ratio Comparison

IQSU has a 0.09% expense ratio, which is higher than VOO's 0.03% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

IQSU vs. VOO - Dividend Comparison

IQSU's dividend yield for the trailing twelve months is around 0.97%, less than VOO's 1.03% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IQSU IQ Candriam ESG U.S. Equity ETF	0.97%	1.09%	1.12%	1.15%	1.47%	1.07%	0.98%	0.00%	0.00%	0.00%	0.00%	0.00%
VOO Vanguard S&P 500 ETF	1.03%	1.13%	1.24%	1.46%	1.69%	1.25%	1.54%	1.88%	2.06%	1.78%	2.02%	2.10%

Frequently Asked Questions

Can I hold both IQSU and VOO in my portfolio?

With a correlation of 0.93, IQSU and VOO 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, IQSU or VOO?

IQSU has higher volatility (3.64%) compared to VOO (2.84%). In terms of maximum drawdown, IQSU dropped -31.29% vs VOO's -33.99%.

Which ETF is better, IQSU or VOO?

On 5-year performance, VOO leads with 13.90% vs 12.84% for IQSU. On fees, VOO is cheaper at 0.03% per year. On volatility, VOO has been the lower-risk option at 2.84%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IQSU or VOO?

Over the 5-year period, VOO has performed better with a 13.90% return vs 12.84%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IQSU or VOO?

VOO is cheaper with a 0.03% expense ratio, compared with 0.09% for IQSU.

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

VOO has the higher dividend yield at 1.03%, compared with 0.97% for IQSU.

What is the main difference between IQSU and VOO?

IQSU is categorized as Large Cap Growth Equities, while VOO is S&P 500. IQSU tracks IQ Candriam ESG US Equity Index, while VOO tracks S&P 500 Index. They also come from different issuers: New York Life and Vanguard. Their fees differ too: 0.09% for IQSU and 0.03% for VOO.

Which has better risk-adjusted returns?

VOO currently has the higher Sharpe Ratio (2.39 vs 2.13), 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.