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IVV vs. VOO
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IVV vs. VOO

Last updated Jun 5, 2026

IVV (iShares Core S&P 500 ETF) and VOO (Vanguard S&P 500 ETF) are both S&P 500 funds tracking the S&P 500 Index, from iShares and Vanguard respectively. Both are passively managed. Over the past 10 years, IVV returned 15.53%/yr vs 15.55%/yr for VOO. With a 1.00 correlation, they move nearly in lockstep. Both charge a 0.03% expense ratio.

Performance

IVV vs. VOO - Performance Comparison

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

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Returns By Period

The year-to-date returns for both stocks are quite close, with IVV having a 11.38% return and VOO slightly lower at 11.34%. Both investments have delivered pretty close results over the past 10 years, with IVV having a 15.53% annualized return and VOO not far ahead at 15.55%.

IVV

1D
0.47%
1M
4.66%
YTD
11.38%
6M
11.30%
1Y
28.64%
3Y*
22.69%
5Y*
13.99%
10Y*
15.53%

VOO

1D
0.39%
1M
4.62%
YTD
11.34%
6M
11.27%
1Y
28.62%
3Y*
22.68%
5Y*
13.98%
10Y*
15.55%
*Multi-year figures are annualized to reflect compound growth (CAGR)

IVV vs. VOO - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
IVV
iShares Core S&P 500 ETF		11.38%17.85%24.93%26.31%-18.16%28.76%18.40%31.07%-4.49%21.75%
VOO
Vanguard S&P 500 ETF		11.34%17.82%24.98%26.32%-18.17%28.79%18.32%31.37%-4.50%21.77%

Correlation

The correlation between IVV and VOO is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

1.00

Correlation (3Y)
Calculated over the trailing 3-year period

1.00

Correlation (5Y)
Calculated over the trailing 5-year period

1.00

Correlation (10Y)
Calculated over the trailing 10-year period

1.00

Correlation (All Time)
Calculated using the full available price history since Sep 10, 2010

1.00

The correlation between IVV and VOO has been stable across timeframes, ranging from 1.00 to 1.00 - a consistent structural relationship.

IVV vs. VOO - Sectors Allocation Comparison

Sectors
IVV
VOO

Technology

35.6%
35.7%

Financial Services

11.8%
11.6%

Communication Services

11.2%
11.3%

Consumer Cyclical

10.1%
10.2%

Healthcare

8.5%
8.5%

Industrials

8.3%
8.3%

Consumer Defensive

4.9%
4.9%

Energy

3.5%
3.5%

Utilities

2.4%
2.4%

Real Estate

1.9%
1.9%

Basic Materials

1.8%
1.8%

Technology

IVV
35.6%
VOO
35.7%

Financial Services

IVV
11.8%
VOO
11.6%

Communication Services

IVV
11.2%
VOO
11.3%

Consumer Cyclical

IVV
10.1%
VOO
10.2%

Healthcare

IVV
8.5%
VOO
8.5%

Industrials

IVV
8.3%
VOO
8.3%

Consumer Defensive

IVV
4.9%
VOO
4.9%

Energy

IVV
3.5%
VOO
3.5%

Utilities

IVV
2.4%
VOO
2.4%

Real Estate

IVV
1.9%
VOO
1.9%

Basic Materials

IVV
1.8%
VOO
1.8%

Compare stocks, funds, or ETFs

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

iShares Core S&P 500 ETF

Vanguard S&P 500 ETF

Often compared with IVV:
IVV vs. SPYIVV vs. FXAIXIVV vs. QQQIVV vs. VTIIVV vs. IOOIVV vs. CSPX.LIVV vs. IVW
Often compared with VOO:
VOO vs. VTIVOO vs. QQQVOO vs. SCHDVOO vs. VTVOO vs. SPYVOO vs. FXAIXVOO vs. VGT

Return for Risk

IVV vs. VOO — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
IVV
IVV Risk / Return Rank: 7474
Overall Rank
IVV Sharpe Ratio Rank: 7676
Sharpe Ratio Rank
IVV Sortino Ratio Rank: 7575
Sortino Ratio Rank
IVV Omega Ratio Rank: 7575
Omega Ratio Rank
IVV Calmar Ratio Rank: 6666
Calmar Ratio Rank
IVV Martin Ratio Rank: 7979
Martin Ratio Rank
VOO
VOO Risk / Return Rank: 7474
Overall Rank
VOO Sharpe Ratio Rank: 7676
Sharpe Ratio Rank
VOO Sortino Ratio Rank: 7575
Sortino Ratio Rank
VOO Omega Ratio Rank: 7575
Omega Ratio Rank
VOO Calmar Ratio Rank: 6666
Calmar Ratio Rank
VOO Martin Ratio Rank: 7878
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.

IVV vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Core S&P 500 ETF (IVV) 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.

IVVVOODifference
Sharpe ratioReturn per unit of total volatility
2.44
2.44

0.00

Sortino ratioReturn per unit of downside risk
3.31
3.31

0.00

Omega ratioGain probability vs. loss probability

1.44

1.44

0.00

Calmar ratioReturn relative to maximum drawdown

3.24

3.23

+0.01

Martin ratioReturn relative to average drawdown

15.05

15.03

+0.01

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IVV vs. VOO - Sharpe Ratio Comparison

The current IVV Sharpe Ratio is 2.44, which is comparable to the VOO Sharpe Ratio of 2.44. The chart below compares the historical Sharpe Ratios of IVV 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.

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Sharpe Ratios by Period

IVVVOODifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.44

2.44

0.00

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.83

0.84

0.00

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.86

0.87

0.00

Sharpe Ratio (All Time)

Calculated using the full available price history

0.45

0.89

-0.43

Drawdowns

IVV vs. VOO - Drawdown Comparison

The maximum IVV drawdown since its inception was -55.25%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for IVV and VOO.

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Drawdown Indicators

IVVVOODifference

Max Drawdown

Largest peak-to-trough decline

-55.25%

-33.99%

-21.26%

Max Drawdown (1Y)

Largest decline over 1 year

-8.89%

-8.90%

+0.01%

Max Drawdown (3Y)

Largest decline over 3 years

-18.75%

-18.69%

-0.06%

Max Drawdown (5Y)

Largest decline over 5 years

-24.53%

-24.52%

-0.01%

Max Drawdown (10Y)

Largest decline over 10 years

-33.90%

-33.99%

+0.09%

Current Drawdown

Current decline from peak

-0.29%

-0.32%

+0.03%

Average Drawdown

Average peak-to-trough decline

-10.78%

-3.69%

-7.09%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.91%

1.91%

0.00%

Volatility

IVV vs. VOO - Volatility Comparison

iShares Core S&P 500 ETF (IVV) and Vanguard S&P 500 ETF (VOO) have volatilities of 2.83% and 2.78%, 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.

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Volatility by Period

IVVVOODifference

Volatility (1M)

Calculated over the trailing 1-month period

2.83%

2.78%

+0.05%

Volatility (6M)

Calculated over the trailing 6-month period

8.90%

8.90%

0.00%

Volatility (1Y)

Calculated over the trailing 1-year period

11.80%

11.80%

0.00%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

16.88%

16.81%

+0.07%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

18.05%

18.00%

+0.05%

IVV vs. VOO - Expense Ratio Comparison

Both IVV and VOO have an expense ratio of 0.03%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

IVV vs. VOO - Dividend Comparison

IVV's dividend yield for the trailing twelve months is around 1.06%, more than VOO's 1.02% yield.

PositionTTM20252024202320222021202020192018201720162015
IVV
iShares Core S&P 500 ETF		1.06%1.17%1.30%1.44%1.66%1.20%1.57%1.85%2.21%1.75%2.01%2.27%
VOO
Vanguard S&P 500 ETF		1.02%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

With a correlation of 1.00, IVV 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.

IVV has higher volatility (2.83%) compared to VOO (2.78%). In terms of maximum drawdown, IVV dropped -55.25% vs VOO's -33.99%.

On 10-year performance, VOO leads with 15.55% vs 15.53% for IVV. Both ETFs have the same 0.03% expense ratio. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 10-year period, VOO has performed better with a 15.55% return vs 15.53%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

IVV and VOO have the same expense ratio: 0.03% per year.

IVV has the higher dividend yield at 1.06%, compared with 1.02% for VOO.

Both ETFs track S&P 500 Index. They also come from different issuers: iShares and Vanguard.

IVV currently has the higher Sharpe Ratio (2.44 vs 2.44), 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.

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