IGV vs. VOO

Last updated Jun 24, 2026

IGV (iShares Expanded Tech-Software Sector ETF) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - IGV is a Technology Equities fund tracking the S&P North American Expanded Technology Software Index, while VOO is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, IGV returned 15.70%/yr vs 15.61%/yr for VOO. A 0.78 correlation means they provide meaningful diversification when combined. IGV charges 0.39%/yr vs 0.03%/yr for VOO.

Performance

IGV vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Expanded Tech-Software Sector ETF (IGV) 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, IGV achieves a -17.37% return, which is significantly lower than VOO's 8.19% return. Both investments have delivered pretty close results over the past 10 years, with IGV having a 15.70% annualized return and VOO not far behind at 15.61%.

IGV

• 1D: 0.01%
• 1M: -7.10%
• YTD: -17.37%
• 6M: -19.19%
• 1Y: -17.89%
• 3Y*: 9.05%
• 5Y*: 2.37%
• 10Y*: 15.70%

VOO

• 1D: -1.42%
• 1M: -1.34%
• YTD: 8.19%
• 6M: 7.24%
• 1Y: 23.69%
• 3Y*: 20.78%
• 5Y*: 13.13%
• 10Y*: 15.61%

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

IGV vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IGV iShares Expanded Tech-Software Sector ETF	-17.37%	5.56%	23.41%	58.56%	-35.65%	12.30%	52.86%	34.33%	12.44%	42.16%
VOO Vanguard S&P 500 ETF	8.19%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	31.37%	-4.50%	21.77%

Correlation

The correlation between IGV and VOO is 0.56, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.56
Correlation (3Y) Calculated over the trailing 3-year period	0.72
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (10Y) Calculated over the trailing 10-year period	0.77
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010	0.78

Over the past year, the correlation between IGV and VOO has dropped to 0.56 - well below their long-term average of 0.78, suggesting their price drivers have been diverging.

IGV vs. VOO - Sectors Allocation Comparison

Sectors	IGV	VOO
Technology	89.1%	39.1%
Communication Services	8.6%	10.5%
Financial Services	1.9%	10.9%
Consumer Cyclical	0.3%	9.8%
Industrials	0.1%	7.6%
Basic Materials	-	1.7%
Consumer Defensive	-	4.5%
Energy	-	3.2%
Healthcare	-	8.3%
Real Estate	-	1.8%
Utilities	-	2.5%

Return for Risk

IGV vs. VOO — Risk / Return Rank

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

IGV

IGV Risk / Return Rank: 4
IGV Sharpe Ratio Rank: 4
IGV Sortino Ratio Rank: 4
IGV Omega Ratio Rank: 4
IGV Calmar Ratio Rank: 5
IGV Martin Ratio Rank: 4

VOO

VOO Risk / Return Rank: 59
VOO Sharpe Ratio Rank: 59
VOO Sortino Ratio Rank: 56
VOO Omega Ratio Rank: 58
VOO Calmar Ratio Rank: 56
VOO Martin Ratio Rank: 67

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.

IGV vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Expanded Tech-Software Sector ETF (IGV) 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.

	IGV	VOO	Difference
Sharpe ratio: Return per unit of total volatility	-0.64	1.91	-2.55
Sortino ratio: Return per unit of downside risk	-0.75	2.60	-3.36
Omega ratio: Gain probability vs. loss probability	0.91	1.35	-0.44
Calmar ratio: Return relative to maximum drawdown	-0.49	2.67	-3.16
Martin ratio: Return relative to average drawdown	-1.00	11.96	-12.96

IGV vs. VOO - Sharpe Ratio Comparison

The current IGV Sharpe Ratio is -0.64, which is lower than the VOO Sharpe Ratio of 1.91. The chart below compares the historical Sharpe Ratios of IGV 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

IGV vs. VOO - Drawdown Comparison

The maximum IGV drawdown since its inception was -63.45%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for IGV and VOO.

Drawdown Indicators

	IGV	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-63.45%	-33.99%	-29.46%
Max Drawdown (1Y) Largest decline over 1 year	-36.61%	-8.90%	-27.71%
Max Drawdown (3Y) Largest decline over 3 years	-36.61%	-18.69%	-17.92%
Max Drawdown (5Y) Largest decline over 5 years	-45.85%	-24.52%	-21.33%
Max Drawdown (10Y) Largest decline over 10 years	-45.85%	-33.99%	-11.86%
Current Drawdown Current decline from peak	-25.85%	-3.14%	-22.71%
Average Drawdown Average peak-to-trough decline	-14.46%	-3.68%	-10.78%
Ulcer Index Depth and duration of drawdowns from previous peaks	17.94%	1.99%	+15.95%

Volatility

IGV vs. VOO - Volatility Comparison

iShares Expanded Tech-Software Sector ETF (IGV) has a higher volatility of 12.71% compared to Vanguard S&P 500 ETF (VOO) at 4.83%. This indicates that IGV'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

	IGV	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.71%	4.83%	+7.88%
Volatility (6M) Calculated over the trailing 6-month period	24.86%	9.82%	+15.04%
Volatility (1Y) Calculated over the trailing 1-year period	28.27%	12.46%	+15.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.97%	16.91%	+11.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.38%	18.02%	+8.36%

IGV vs. VOO - Expense Ratio Comparison

IGV has a 0.39% expense ratio, which is higher than VOO's 0.03% expense ratio.

Dividends

IGV vs. VOO - Dividend Comparison

IGV's dividend yield for the trailing twelve months is around 0.02%, less than VOO's 1.05% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IGV iShares Expanded Tech-Software Sector ETF	0.02%	0.00%	0.00%	0.01%	0.01%	0.00%	0.35%	0.02%	0.16%	0.09%	0.82%	0.22%
VOO Vanguard S&P 500 ETF	1.05%	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 IGV and VOO in my portfolio?

IGV and VOO have a correlation of 0.56, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IGV or VOO?

IGV has higher volatility (12.71%) compared to VOO (4.83%). In terms of maximum drawdown, IGV dropped -63.45% vs VOO's -33.99%.

Which ETF is better, IGV or VOO?

On 10-year performance, IGV leads with 15.70% vs 15.61% for VOO. On fees, VOO is cheaper at 0.03% per year. On volatility, VOO has been the lower-risk option at 4.83%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IGV or VOO?

Over the 10-year period, IGV has performed better with a 15.70% return vs 15.61%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IGV or VOO?

VOO is cheaper with a 0.03% expense ratio, compared with 0.39% for IGV.

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

VOO has the higher dividend yield at 1.05%, compared with 0.02% for IGV.

What is the main difference between IGV and VOO?

IGV is categorized as Technology Equities, while VOO is S&P 500. IGV tracks S&P North American Expanded Technology Software Index, while VOO tracks S&P 500 Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.39% for IGV and 0.03% for VOO.

Which has better risk-adjusted returns?

VOO currently has the higher Sharpe Ratio (1.91 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.