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VOO vs. IVV
Performance
Return for Risk
Drawdowns
Volatility
Dividends

VOO vs. IVV

Last updated Jun 23, 2026

VOO (Vanguard S&P 500 ETF) and IVV (iShares Core S&P 500 ETF) are both S&P 500 funds tracking the S&P 500 Index, from Vanguard and iShares respectively. Both are passively managed. Over the past 10 years, VOO returned 15.77%/yr vs 15.75%/yr for IVV. With a 1.00 correlation, they move nearly in lockstep. Both charge a 0.03% expense ratio.

Performance

VOO vs. IVV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard S&P 500 ETF (VOO) and iShares Core S&P 500 ETF (IVV). 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 investments are quite close, with VOO having a 9.75% return and IVV slightly higher at 9.76%. Both investments have delivered pretty close results over the past 10 years, with VOO having a 15.77% annualized return and IVV not far behind at 15.75%.

VOO

1D
-0.29%
1M
0.08%
YTD
9.75%
6M
9.30%
1Y
26.77%
3Y*
21.36%
5Y*
13.58%
10Y*
15.77%

IVV

1D
-0.31%
1M
0.09%
YTD
9.76%
6M
9.30%
1Y
26.83%
3Y*
21.37%
5Y*
13.58%
10Y*
15.75%
*Multi-year figures are annualized to reflect compound growth (CAGR)

VOO vs. IVV - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
VOO
Vanguard S&P 500 ETF		9.75%17.82%24.98%26.32%-18.17%28.79%18.32%31.37%-4.50%21.77%
IVV
iShares Core S&P 500 ETF		9.76%17.85%24.93%26.31%-18.16%28.76%18.40%31.07%-4.49%21.75%

Correlation

The correlation between VOO and IVV 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 9, 2010

1.00

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

VOO vs. IVV - Sectors Allocation Comparison

Sectors
VOO
IVV

Technology

39.1%
39.0%

Financial Services

10.9%
11.1%

Communication Services

10.5%
10.6%

Consumer Cyclical

9.8%
9.9%

Healthcare

8.3%
8.3%

Industrials

7.6%
7.8%

Consumer Defensive

4.5%
4.5%

Energy

3.2%
3.1%

Utilities

2.5%
2.1%

Real Estate

1.8%
1.8%

Basic Materials

1.7%
1.7%

Technology

VOO
39.1%
IVV
39.0%

Financial Services

VOO
10.9%
IVV
11.1%

Communication Services

VOO
10.5%
IVV
10.6%

Consumer Cyclical

VOO
9.8%
IVV
9.9%

Healthcare

VOO
8.3%
IVV
8.3%

Industrials

VOO
7.6%
IVV
7.8%

Consumer Defensive

VOO
4.5%
IVV
4.5%

Energy

VOO
3.2%
IVV
3.1%

Utilities

VOO
2.5%
IVV
2.1%

Real Estate

VOO
1.8%
IVV
1.8%

Basic Materials

VOO
1.7%
IVV
1.7%

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 500 ETF

iShares Core S&P 500 ETF

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

Return for Risk

VOO vs. IVV — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
VOO
VOO Risk / Return Rank: 6868
Overall Rank
VOO Sharpe Ratio Rank: 7070
Sharpe Ratio Rank
VOO Sortino Ratio Rank: 6767
Sortino Ratio Rank
VOO Omega Ratio Rank: 6969
Omega Ratio Rank
VOO Calmar Ratio Rank: 6363
Calmar Ratio Rank
VOO Martin Ratio Rank: 7474
Martin Ratio Rank
IVV
IVV Risk / Return Rank: 6969
Overall Rank
IVV Sharpe Ratio Rank: 7070
Sharpe Ratio Rank
IVV Sortino Ratio Rank: 6767
Sortino Ratio Rank
IVV Omega Ratio Rank: 6969
Omega Ratio Rank
IVV Calmar Ratio Rank: 6363
Calmar Ratio Rank
IVV Martin Ratio Rank: 7474
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.

VOO vs. IVV - Risk-Adjusted Trends Comparison

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

VOOIVVDifference
Sharpe ratioReturn per unit of total volatility
2.17
2.18

0.00

Sortino ratioReturn per unit of downside risk
2.93
2.93

0.00

Omega ratioGain probability vs. loss probability

1.39

1.39

0.00

Calmar ratioReturn relative to maximum drawdown

3.02

3.03

-0.01

Martin ratioReturn relative to average drawdown

13.58

13.61

-0.03

VOO vs. IVV - Sharpe Ratio Comparison

The current VOO Sharpe Ratio is 2.17, which is comparable to the IVV Sharpe Ratio of 2.18. The chart below compares the historical Sharpe Ratios of VOO and IVV, 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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Drawdowns

VOO vs. IVV - Drawdown Comparison

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

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Drawdown Indicators

VOOIVVDifference

Max Drawdown

Largest peak-to-trough decline

-33.99%

-55.25%

+21.26%

Max Drawdown (1Y)

Largest decline over 1 year

-8.90%

-8.89%

-0.01%

Max Drawdown (3Y)

Largest decline over 3 years

-18.69%

-18.75%

+0.06%

Max Drawdown (5Y)

Largest decline over 5 years

-24.52%

-24.53%

+0.01%

Max Drawdown (10Y)

Largest decline over 10 years

-33.99%

-33.90%

-0.09%

Current Drawdown

Current decline from peak

-1.74%

-1.74%

0.00%

Average Drawdown

Average peak-to-trough decline

-3.68%

-10.76%

+7.08%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.98%

1.98%

0.00%

Volatility

VOO vs. IVV - Volatility Comparison

Vanguard S&P 500 ETF (VOO) and iShares Core S&P 500 ETF (IVV) have volatilities of 4.60% and 4.67%, 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

VOOIVVDifference

Volatility (1M)

Calculated over the trailing 1-month period

4.60%

4.67%

-0.07%

Volatility (6M)

Calculated over the trailing 6-month period

9.73%

9.75%

-0.02%

Volatility (1Y)

Calculated over the trailing 1-year period

12.39%

12.41%

-0.02%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

16.90%

16.97%

-0.07%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

18.05%

18.10%

-0.05%

VOO vs. IVV - Expense Ratio Comparison

Both VOO and IVV 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

VOO vs. IVV - Dividend Comparison

VOO's dividend yield for the trailing twelve months is around 1.04%, less than IVV's 1.09% yield.

PositionTTM20252024202320222021202020192018201720162015
IVV
iShares Core S&P 500 ETF		1.09%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		1.04%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, VOO and IVV 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 (4.67%) compared to VOO (4.60%). In terms of maximum drawdown, VOO dropped -33.99% vs IVV's -55.25%.

On 10-year performance, VOO leads with 15.77% vs 15.75% 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 15.77% return vs 15.75%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

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

IVV has the higher dividend yield at 1.09%, compared with 1.04% for VOO.

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

IVV currently has the higher Sharpe Ratio (2.18 vs 2.17), 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.

Portfolio Optimizer

Find the right allocation for VOO and IVV

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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