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Performance
Performance Chart
The chart shows the growth of an initial investment of $10,000 in iShares U.S. Basic Materials ETF, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.
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Returns By Period
iShares U.S. Basic Materials ETF (IYM) has returned 14.57% so far this year and 32.51% over the past 12 months. Over the last ten years, IYM has returned 10.95% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.
iShares U.S. Basic Materials ETF
- 1D
- 2.70%
- 1M
- -6.45%
- YTD
- 14.57%
- 6M
- 19.61%
- 1Y
- 32.51%
- 3Y*
- 11.71%
- 5Y*
- 8.58%
- 10Y*
- 10.95%
Benchmark (S&P 500 Index)
- 1D
- 2.91%
- 1M
- -5.09%
- YTD
- -4.63%
- 6M
- -2.39%
- 1Y
- 16.33%
- 3Y*
- 16.69%
- 5Y*
- 10.18%
- 10Y*
- 12.16%
Monthly Returns
Based on dividend-adjusted daily data since Jun 20, 2000, IYM's average daily return is +0.04%, while the average monthly return is +0.88%. At this rate, your investment would double in approximately 6.6 years.
Historically, 55% of months were positive and 45% were negative. The best month was Oct 2011 with a return of +19.4%, while the worst month was Oct 2008 at -25.7%. The longest winning streak lasted 8 consecutive months, and the longest losing streak was 6 months.
On a daily basis, IYM closed higher 52% of trading days. The best single day was Oct 13, 2008 with a return of +12.9%, while the worst single day was Oct 15, 2008 at -13.5%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 10.61% | 10.73% | -6.45% | 14.57% | |||||||||
| 2025 | 6.00% | 0.44% | -2.22% | -3.05% | 3.01% | 4.35% | 0.42% | 6.04% | -0.18% | -3.80% | 4.83% | 3.52% | 20.41% |
| 2024 | -3.66% | 4.03% | 7.02% | -4.52% | 3.51% | -3.76% | 3.12% | 1.38% | 3.01% | -3.11% | 1.59% | -11.72% | -4.54% |
| 2023 | 11.38% | -2.62% | -1.71% | -1.31% | -7.73% | 10.70% | 4.23% | -3.53% | -5.03% | -3.25% | 7.80% | 5.42% | 12.83% |
| 2022 | -6.52% | 4.42% | 9.59% | -5.86% | 0.62% | -16.41% | 5.72% | -3.16% | -9.68% | 9.55% | 11.61% | -5.14% | -9.15% |
| 2021 | -1.98% | 4.22% | 8.76% | 4.34% | 6.16% | -5.98% | 2.09% | 0.00% | -6.02% | 7.33% | -2.12% | 7.70% | 25.62% |
Benchmark Metrics
iShares U.S. Basic Materials ETF has an annualized alpha of 3.16%, beta of 1.08, and R² of 0.66 versus S&P 500 Index. Calculated based on daily prices since June 21, 2000.
- This ETF captured 123.24% of S&P 500 Index gains and 109.11% of its losses — amplifying both gains and losses, but participating more in upside than downside.
- This ETF generated an annualized alpha of 3.16% versus S&P 500 Index — delivering returns beyond what market exposure alone would predict.
- With beta of 1.08 and R² of 0.66, this ETF moves broadly in line with S&P 500 Index — much of its variation is explained by market exposure rather than independent behavior.
- Alpha
- 3.16%
- Beta
- 1.08
- R²
- 0.66
- Upside Capture
- 123.24%
- Downside Capture
- 109.11%
Expense Ratio
IYM has an expense ratio of 0.42%, placing it in the medium range.
Return for Risk
Risk / Return Rank
IYM ranks 77 for risk / return — better than 77% of ETFs on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for iShares U.S. Basic Materials ETF (IYM) and compare them to a chosen benchmark (S&P 500 Index).
| IYM | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.46 | 0.90 | +0.56 |
Sortino ratioReturn per unit of downside risk | 2.05 | 1.39 | +0.66 |
Omega ratioGain probability vs. loss probability | 1.28 | 1.21 | +0.07 |
Calmar ratioReturn relative to maximum drawdown | 2.29 | 1.40 | +0.89 |
Martin ratioReturn relative to average drawdown | 8.49 | 6.61 | +1.88 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Explore IYM risk-adjusted metrics in detail
Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.
Dividends
Dividend History
iShares U.S. Basic Materials ETF provided a 1.32% dividend yield over the last twelve months, with an annual payout of $2.32 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $2.32 | $2.33 | $2.15 | $2.44 | $2.67 | $2.08 | $1.58 | $2.04 | $1.41 | $1.46 | $1.22 | $1.44 |
Dividend yield | 1.32% | 1.51% | 1.65% | 1.77% | 2.14% | 1.48% | 1.39% | 2.08% | 1.68% | 1.43% | 1.47% | 2.04% |
Monthly Dividends
The table displays the monthly dividend distributions for iShares U.S. Basic Materials ETF. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.47 | $0.47 | |||||||||
| 2025 | $0.00 | $0.00 | $0.48 | $0.00 | $0.00 | $0.47 | $0.00 | $0.00 | $0.62 | $0.00 | $0.00 | $0.76 | $2.33 |
| 2024 | $0.00 | $0.00 | $0.46 | $0.00 | $0.00 | $0.50 | $0.00 | $0.00 | $0.61 | $0.00 | $0.00 | $0.57 | $2.15 |
| 2023 | $0.00 | $0.00 | $0.46 | $0.00 | $0.00 | $0.53 | $0.00 | $0.00 | $0.73 | $0.00 | $0.00 | $0.73 | $2.44 |
| 2022 | $0.00 | $0.00 | $0.42 | $0.00 | $0.00 | $0.83 | $0.00 | $0.00 | $0.72 | $0.00 | $0.00 | $0.71 | $2.67 |
| 2021 | $0.00 | $0.00 | $0.42 | $0.00 | $0.00 | $0.44 | $0.00 | $0.00 | $0.52 | $0.00 | $0.00 | $0.70 | $2.08 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the iShares U.S. Basic Materials ETF. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the iShares U.S. Basic Materials ETF was 67.78%, occurring on Nov 20, 2008. Recovery took 1281 trading sessions.
The current iShares U.S. Basic Materials ETF drawdown is 6.96%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -67.78% | Jun 19, 2008 | 109 | Nov 20, 2008 | 1281 | Dec 24, 2013 | 1390 |
| -42.76% | Jan 29, 2018 | 541 | Mar 23, 2020 | 114 | Sep 2, 2020 | 655 |
| -31.03% | Mar 20, 2002 | 142 | Oct 9, 2002 | 288 | Dec 1, 2003 | 430 |
| -29.94% | Apr 20, 2022 | 110 | Sep 26, 2022 | 381 | Apr 3, 2024 | 491 |
| -29.87% | Sep 19, 2014 | 339 | Jan 25, 2016 | 221 | Dec 7, 2016 | 560 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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