IYM vs. IVV

Last updated Aug 2, 2026

IYM (iShares U.S. Basic Materials ETF) and IVV (iShares Core S&P 500 ETF) are both exchange-traded funds - IYM is a Materials fund tracking the Dow Jones U.S. Basic Materials Index, while IVV is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, IYM returned 10.11%/yr vs 15.11%/yr for IVV. Their 0.74 correlation means they have sometimes moved together and sometimes differently. IYM charges 0.42%/yr vs 0.03%/yr for IVV.

Performance

IYM vs. IVV - Performance Comparison

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

Returns By Period

In the year-to-date period, IYM achieves a 14.73% return, which is significantly higher than IVV's 10.13% return. Over the past 10 years, IYM has underperformed IVV with an annualized return of 10.11%, while IVV has yielded a comparatively higher 15.11% annualized return.

IYM

• 1D: -1.96%
• 1M: -3.54%
• 6M: 3.72%
• YTD: 14.73%
• 1Y: 28.28%
• 3Y*: 10.20%
• 5Y*: 7.53%
• 10Y*: 10.11%
• ALL TIME*: 8.27%

IVV

• 1D: 0.69%
• 1M: 0.25%
• 6M: 8.53%
• YTD: 10.13%
• 1Y: 21.55%
• 3Y*: 19.40%
• 5Y*: 12.82%
• 10Y*: 15.11%
• ALL TIME*: 8.45%

*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)
IVV iShares Core S&P 500 ETF	$3.36B	$3.31B	$5.91B
IYM iShares U.S. Basic Materials ETF	$17.03M	$23.02M	$39.39M

IYM vs. IVV - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IYM iShares U.S. Basic Materials ETF	14.73%	20.41%	-4.54%	12.83%	-9.15%	25.62%	17.87%	19.22%	-16.63%	24.83%
IVV iShares Core S&P 500 ETF	10.13%	17.85%	24.93%	26.31%	-18.16%	28.76%	18.40%	31.07%	-4.49%	21.75%

Correlation

The correlation between IYM and IVV is 0.57, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.57
Correlation (3Y) Balances recent behavior with more history.	0.62
Correlation (5Y) Shows whether the relationship held over a longer period.	0.69
Correlation (10Y) Provides a long-term view across more market conditions.	0.72
Correlation (All Time) Calculated using the full available price history since Jun 20, 2000	0.74

The correlation between IYM and IVV shifts across timeframes, from 0.57 (1 year) to 0.74 (all time), reflecting how their relationship changes across market environments.

IYM vs. IVV - Sectors Allocation Comparison

Sectors	IYM	IVV
Basic Materials	84.7%	1.8%
Industrials	12.0%	7.9%
Consumer Cyclical	3.3%	8.9%
Communication Services	-	9.6%
Consumer Defensive	-	4.8%
Energy	-	3.3%
Financial Services	-	12.5%
Healthcare	-	9.4%
Real Estate	-	1.9%
Technology	-	37.2%
Utilities	-	2.6%

Return for Risk

IYM vs. IVV — Risk / Return Rank

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

IYM

IYM Risk / Return Rank: 55
IYM Sharpe Ratio Rank: 57
IYM Sortino Ratio Rank: 55
IYM Omega Ratio Rank: 52
IYM Calmar Ratio Rank: 56
IYM Martin Ratio Rank: 57

IVV

IVV Risk / Return Rank: 67
IVV Sharpe Ratio Rank: 68
IVV Sortino Ratio Rank: 64
IVV Omega Ratio Rank: 65
IVV Calmar Ratio Rank: 64
IVV Martin Ratio Rank: 76

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.

IYM vs. IVV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Basic Materials ETF (IYM) 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.

	IYM	IVV	Difference
Sharpe ratio: Return per unit of total volatility	1.36	1.53	-0.17
Sortino ratio: Return per unit of downside risk	1.91	2.12	-0.22
Omega ratio: Gain probability vs. loss probability	1.23	1.27	-0.04
Calmar ratio: Return relative to maximum drawdown	1.98	2.21	-0.24
Martin ratio: Return relative to average drawdown	6.68	9.43	-2.75

IYM vs. IVV - Sharpe Ratio Comparison

The current IYM Sharpe Ratio is 1.36, which is comparable to the IVV Sharpe Ratio of 1.53. The chart below compares the historical Sharpe Ratios of IYM 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.

Drawdowns

IYM vs. IVV - Drawdown Comparison

The maximum IYM drawdown since its inception was -67.78%, which is greater than IVV's maximum drawdown of -55.25%. Use the drawdown chart below to compare losses from any high point for IYM and IVV.

Drawdown Indicators

	IYM	IVV	Difference
Max Drawdown Largest peak-to-trough decline	-67.78%	-55.25%	-12.53%
Max Drawdown (1Y) Largest decline over 1 year	-13.61%	-8.89%	-4.72%
Max Drawdown (3Y) Largest decline over 3 years	-23.62%	-18.75%	-4.87%
Max Drawdown (5Y) Largest decline over 5 years	-29.94%	-24.53%	-5.41%
Max Drawdown (10Y) Largest decline over 10 years	-42.76%	-33.90%	-8.86%
Current Drawdown Current decline from peak	-7.05%	-1.41%	-5.64%
Average Drawdown Average peak-to-trough decline	-11.41%	-10.72%	-0.69%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.02%	2.09%	+1.93%

Volatility

IYM vs. IVV - Volatility Comparison

iShares U.S. Basic Materials ETF (IYM) has a higher volatility of 5.29% compared to iShares Core S&P 500 ETF (IVV) at 3.52%. This indicates that IYM's price experiences larger fluctuations and is considered to be riskier than IVV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IYM	IVV	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.29%	3.52%	+1.77%
Volatility (6M) Calculated over the trailing 6-month period	16.09%	10.18%	+5.91%
Volatility (1Y) Calculated over the trailing 1-year period	19.88%	12.89%	+6.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.51%	17.01%	+3.50%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.72%	18.06%	+3.66%

IYM vs. IVV - Expense Ratio Comparison

IYM has a 0.42% expense ratio, which is higher than IVV's 0.03% expense ratio.

Dividends

IYM vs. IVV - Dividend Comparison

IYM's dividend yield for the trailing twelve months is around 1.33%, more than IVV's 1.09% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
IYM iShares U.S. Basic Materials ETF	1.33%	1.51%	1.65%	1.77%	2.14%	1.48%	1.39%	2.08%	1.68%	1.43%	1.47%	2.04%

Frequently Asked Questions

Can I hold both IYM and IVV in my portfolio?

IYM and IVV have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IYM or IVV?

IYM has higher volatility (5.29%) compared to IVV (3.52%). In terms of maximum drawdown, IYM dropped -67.78% vs IVV's -55.25%.

Which ETF is better, IYM or IVV?

On 10-year performance, IVV leads with 15.11% vs 10.11% for IYM. On fees, IVV is cheaper at 0.03% per year. On volatility, IVV has been the lower-risk option at 3.52%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IYM or IVV?

Over the 10-year period, IVV has performed better with a 15.11% return vs 10.11%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IYM or IVV?

IVV is cheaper with a 0.03% expense ratio, compared with 0.42% for IYM.

Which ETF pays a higher dividend yield, IYM or IVV?

IYM has the higher dividend yield at 1.33%, compared with 1.09% for IVV.

What is the main difference between IYM and IVV?

IYM is categorized as Materials, while IVV is S&P 500. IYM tracks Dow Jones U.S. Basic Materials Index, while IVV tracks S&P 500 Index. Their fees differ too: 0.42% for IYM and 0.03% for IVV.

Which has better risk-adjusted returns?

IVV currently has the higher Sharpe Ratio (1.53 vs 1.36), 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.