Share Price Chart
Loading graphics...
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Performance
Performance Chart
The chart shows the growth of an initial investment of $10,000 in iShares Nasdaq Biotechnology ETF, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.
Loading graphics...
Returns By Period
iShares Nasdaq Biotechnology ETF (IBB) has returned 0.12% so far this year and 32.33% over the past 12 months. Over the last ten years, IBB has returned 6.84% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.
iShares Nasdaq Biotechnology ETF
- 1D
- 4.32%
- 1M
- -3.65%
- YTD
- 0.12%
- 6M
- 17.17%
- 1Y
- 32.33%
- 3Y*
- 9.65%
- 5Y*
- 2.46%
- 10Y*
- 6.84%
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 Feb 12, 2001, IBB's average daily return is +0.04%, while the average monthly return is +0.75%. At this rate, your investment would double in approximately 7.7 years.
Historically, 56% of months were positive and 44% were negative. The best month was Apr 2001 with a return of +19.4%, while the worst month was Mar 2001 at -21.2%. The longest winning streak lasted 7 consecutive months, and the longest losing streak was 6 months.
On a daily basis, IBB closed higher 52% of trading days. The best single day was Oct 13, 2008 with a return of +9.9%, while the worst single day was Jul 1, 2002 at -9.0%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2.17% | 1.71% | -3.65% | 0.12% | |||||||||
| 2025 | 4.88% | -1.18% | -6.58% | -1.03% | -3.84% | 3.94% | 4.94% | 4.11% | 4.51% | 10.40% | 9.07% | -2.81% | 27.98% |
| 2024 | -1.08% | 1.83% | 0.37% | -7.51% | 5.48% | 2.52% | 7.80% | 0.14% | -1.60% | -3.65% | 0.90% | -6.56% | -2.41% |
| 2023 | 4.01% | -6.86% | 1.61% | 1.05% | -3.24% | 0.54% | 1.85% | -0.46% | -4.87% | -7.04% | 6.38% | 12.44% | 3.76% |
| 2022 | -13.60% | -4.39% | 3.45% | -10.48% | 0.02% | 0.85% | 5.48% | -2.11% | -3.57% | 9.94% | 6.17% | -3.77% | -13.69% |
| 2021 | 6.04% | -2.31% | -3.97% | 2.71% | -1.74% | 7.72% | 1.30% | 3.92% | -6.09% | -1.29% | -3.37% | -1.01% | 0.95% |
Benchmark Metrics
iShares Nasdaq Biotechnology ETF has an annualized alpha of 2.12%, beta of 0.95, and R² of 0.49 versus S&P 500 Index. Calculated based on daily prices since February 13, 2001.
- This ETF captured 110.07% of S&P 500 Index gains and 107.96% of its losses — amplifying both gains and losses, but participating more in upside than downside.
- R² of 0.49 means the benchmark explains less than half of this ETF's behavior — treat beta with caution or consider switching to a more representative benchmark.
- Alpha
- 2.12%
- Beta
- 0.95
- R²
- 0.49
- Upside Capture
- 110.07%
- Downside Capture
- 107.96%
Expense Ratio
IBB has an expense ratio of 0.47%, placing it in the medium range.
Return for Risk
Risk / Return Rank
IBB ranks 74 for risk / return — better than 74% 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 Nasdaq Biotechnology ETF (IBB) and compare them to a chosen benchmark (S&P 500 Index).
| IBB | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.35 | 0.90 | +0.46 |
Sortino ratioReturn per unit of downside risk | 1.91 | 1.39 | +0.53 |
Omega ratioGain probability vs. loss probability | 1.25 | 1.21 | +0.03 |
Calmar ratioReturn relative to maximum drawdown | 2.41 | 1.40 | +1.01 |
Martin ratioReturn relative to average drawdown | 8.61 | 6.61 | +2.01 |
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 IBB 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 Nasdaq Biotechnology ETF provided a 0.23% dividend yield over the last twelve months, with an annual payout of $0.39 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.39 | $0.39 | $0.39 | $0.35 | $0.41 | $0.32 | $0.31 | $0.40 | $0.19 | $0.32 | $0.16 | $0.03 |
Dividend yield | 0.23% | 0.23% | 0.29% | 0.26% | 0.31% | 0.21% | 0.21% | 0.33% | 0.20% | 0.30% | 0.19% | 0.03% |
Monthly Dividends
The table displays the monthly dividend distributions for iShares Nasdaq Biotechnology 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 | $0.12 | $0.12 | |||||||||
| 2025 | $0.00 | $0.00 | $0.12 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.08 | $0.00 | $0.00 | $0.18 | $0.39 |
| 2024 | $0.00 | $0.00 | $0.13 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.20 | $0.00 | $0.00 | $0.06 | $0.39 |
| 2023 | $0.00 | $0.00 | $0.06 | $0.00 | $0.00 | $0.01 | $0.00 | $0.00 | $0.15 | $0.00 | $0.00 | $0.12 | $0.35 |
| 2022 | $0.00 | $0.00 | $0.12 | $0.00 | $0.00 | $0.03 | $0.00 | $0.00 | $0.16 | $0.00 | $0.00 | $0.10 | $0.41 |
| 2021 | $0.00 | $0.00 | $0.13 | $0.00 | $0.00 | $0.02 | $0.00 | $0.00 | $0.12 | $0.00 | $0.00 | $0.04 | $0.32 |
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.
Loading graphics...
Worst Drawdowns
The table below displays the maximum drawdowns of the iShares Nasdaq Biotechnology 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 Nasdaq Biotechnology ETF was 62.85%, occurring on Jul 10, 2002. Recovery took 2216 trading sessions.
The current iShares Nasdaq Biotechnology ETF drawdown is 4.88%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -62.85% | Jun 6, 2001 | 272 | Jul 10, 2002 | 2216 | Apr 27, 2011 | 2488 |
| -39.82% | Aug 10, 2021 | 216 | Jun 16, 2022 | 892 | Jan 7, 2026 | 1108 |
| -39.24% | Jul 21, 2015 | 237 | Jun 27, 2016 | 974 | May 11, 2020 | 1211 |
| -34.69% | Feb 13, 2001 | 35 | Apr 3, 2001 | 34 | May 22, 2001 | 69 |
| -22.66% | Jul 11, 2011 | 21 | Aug 8, 2011 | 107 | Jan 10, 2012 | 128 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
Loading graphics...