IYY vs. VGT

Last updated Aug 2, 2026

IYY (iShares Dow Jones U.S. ETF) and VGT (Vanguard Information Technology ETF) are both exchange-traded funds - IYY is a Large Cap Blend Equities fund tracking the Dow Jones U.S. Index, while VGT is a Technology Equities fund tracking the MSCI USA IMI Information Technology 25/50 Index. Both are passively managed. Over the past 10 years, IYY returned 14.60%/yr vs 24.06%/yr for VGT. Their correlation of 0.87 means they have usually moved in the same direction. IYY charges 0.20%/yr vs 0.09%/yr for VGT.

Performance

IYY vs. VGT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Dow Jones U.S. ETF (IYY) and Vanguard Information Technology ETF (VGT). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IYY achieves a 10.10% return, which is significantly lower than VGT's 20.36% return. Over the past 10 years, IYY has underperformed VGT with an annualized return of 14.60%, while VGT has yielded a comparatively higher 24.06% annualized return.

IYY

• 1D: 0.66%
• 1M: 0.01%
• 6M: 8.60%
• YTD: 10.10%
• 1Y: 20.96%
• 3Y*: 18.93%
• 5Y*: 11.85%
• 10Y*: 14.60%
• ALL TIME*: 8.28%

VGT

• 1D: -0.38%
• 1M: -1.30%
• 6M: 21.30%
• YTD: 20.36%
• 1Y: 34.81%
• 3Y*: 26.48%
• 5Y*: 17.81%
• 10Y*: 24.06%
• ALL TIME*: 14.84%

*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)
IYY iShares Dow Jones U.S. ETF	$6.16M	$5.24M	$4.18M
VGT Vanguard Information Technology ETF	$440.89M	$515.41M	$573.34M

IYY vs. VGT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IYY iShares Dow Jones U.S. ETF	10.10%	17.08%	24.15%	26.48%	-19.57%	26.38%	20.10%	30.78%	-5.16%	21.33%
VGT Vanguard Information Technology ETF	20.36%	21.77%	29.30%	52.66%	-29.70%	30.45%	46.04%	48.62%	2.46%	37.08%

Correlation

The correlation between IYY and VGT is 0.87, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.87
Correlation (3Y) Balances recent behavior with more history.	0.88
Correlation (5Y) Shows whether the relationship held over a longer period.	0.91
Correlation (10Y) Provides a long-term view across more market conditions.	0.89
Correlation (All Time) Calculated using the full available price history since Jan 30, 2004	0.87

The correlation between IYY and VGT has been stable across timeframes, ranging from 0.87 to 0.91 - a consistent structural relationship.

IYY vs. VGT - Sectors Allocation Comparison

Sectors	IYY	VGT
Technology	36.9%	98.6%
Financial Services	12.4%	0.5%
Healthcare	9.2%	0.0%
Communication Services	8.9%	0.5%
Consumer Cyclical	8.8%	0.1%
Industrials	8.7%	0.4%
Consumer Defensive	4.5%	-
Energy	3.5%	0.3%
Utilities	2.7%	-
Real Estate	2.2%	-
Basic Materials	2.0%	0.0%

Return for Risk

IYY vs. VGT — Risk / Return Rank

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

IYY

IYY Risk / Return Rank: 64
IYY Sharpe Ratio Rank: 63
IYY Sortino Ratio Rank: 61
IYY Omega Ratio Rank: 61
IYY Calmar Ratio Rank: 61
IYY Martin Ratio Rank: 73

VGT

VGT Risk / Return Rank: 52
VGT Sharpe Ratio Rank: 55
VGT Sortino Ratio Rank: 52
VGT Omega Ratio Rank: 50
VGT Calmar Ratio Rank: 55
VGT Martin Ratio Rank: 46

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.

IYY vs. VGT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Dow Jones U.S. ETF (IYY) and Vanguard Information Technology ETF (VGT). 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.

	IYY	VGT	Difference
Sharpe ratio: Return per unit of total volatility	1.46	1.31	+0.15
Sortino ratio: Return per unit of downside risk	2.04	1.82	+0.22
Omega ratio: Gain probability vs. loss probability	1.26	1.23	+0.03
Calmar ratio: Return relative to maximum drawdown	2.12	1.94	+0.18
Martin ratio: Return relative to average drawdown	9.03	5.23	+3.80

IYY vs. VGT - Sharpe Ratio Comparison

The current IYY Sharpe Ratio is 1.46, which is comparable to the VGT Sharpe Ratio of 1.31. The chart below compares the historical Sharpe Ratios of IYY and VGT, 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

IYY vs. VGT - Drawdown Comparison

The maximum IYY drawdown since its inception was -55.17%, roughly equal to the maximum VGT drawdown of -54.63%. Use the drawdown chart below to compare losses from any high point for IYY and VGT.

Drawdown Indicators

	IYY	VGT	Difference
Max Drawdown Largest peak-to-trough decline	-55.17%	-54.63%	-0.54%
Max Drawdown (1Y) Largest decline over 1 year	-8.94%	-16.40%	+7.46%
Max Drawdown (3Y) Largest decline over 3 years	-19.06%	-27.23%	+8.17%
Max Drawdown (5Y) Largest decline over 5 years	-25.46%	-35.07%	+9.61%
Max Drawdown (10Y) Largest decline over 10 years	-34.90%	-35.07%	+0.17%
Current Drawdown Current decline from peak	-1.46%	-9.93%	+8.47%
Average Drawdown Average peak-to-trough decline	-10.79%	-7.95%	-2.84%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.10%	6.07%	-3.97%

Volatility

IYY vs. VGT - Volatility Comparison

The current volatility for iShares Dow Jones U.S. ETF (IYY) is 3.44%, while Vanguard Information Technology ETF (VGT) has a volatility of 8.42%. This indicates that IYY experiences smaller price fluctuations and is considered to be less risky than VGT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IYY	VGT	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.44%	8.42%	-4.98%
Volatility (6M) Calculated over the trailing 6-month period	10.20%	20.14%	-9.94%
Volatility (1Y) Calculated over the trailing 1-year period	12.99%	24.28%	-11.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.23%	25.83%	-8.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.16%	24.89%	-6.73%

IYY vs. VGT - Expense Ratio Comparison

IYY has a 0.20% expense ratio, which is higher than VGT's 0.09% 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

IYY vs. VGT - Dividend Comparison

IYY's dividend yield for the trailing twelve months is around 0.88%, more than VGT's 0.38% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IYY iShares Dow Jones U.S. ETF	0.88%	0.95%	1.05%	1.29%	1.48%	1.04%	1.31%	1.80%	1.97%	1.62%	1.81%	1.97%
VGT Vanguard Information Technology ETF	0.38%	0.40%	0.60%	0.65%	0.91%	0.64%	0.82%	1.11%	1.29%	0.99%	1.31%	1.28%

Frequently Asked Questions

Can I hold both IYY and VGT in my portfolio?

IYY and VGT have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IYY or VGT?

VGT has higher volatility (8.42%) compared to IYY (3.44%). In terms of maximum drawdown, IYY dropped -55.17% vs VGT's -54.63%.

Which ETF is better, IYY or VGT?

On 10-year performance, VGT leads with 24.06% vs 14.60% for IYY. On fees, VGT is cheaper at 0.09% per year. On volatility, IYY has been the lower-risk option at 3.44%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IYY or VGT?

Over the 10-year period, VGT has performed better with a 24.06% return vs 14.60%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IYY or VGT?

VGT is cheaper with a 0.09% expense ratio, compared with 0.20% for IYY.

Which ETF pays a higher dividend yield, IYY or VGT?

IYY has the higher dividend yield at 0.88%, compared with 0.38% for VGT.

What is the main difference between IYY and VGT?

IYY is categorized as Large Cap Blend Equities, while VGT is Technology Equities. IYY tracks Dow Jones U.S. Index, while VGT tracks MSCI USA IMI Information Technology 25/50 Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.20% for IYY and 0.09% for VGT.

Which has better risk-adjusted returns?

IYY currently has the higher Sharpe Ratio (1.46 vs 1.31), 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.