BIB vs SPY
ProShares Ultra Nasdaq Biotechnology vs State Street SPDR S&P 500 ETF Trust
Quick Verdict
SPY has a lower expense ratio. BIB delivered stronger 1-year returns. SPY offers more diversification with 505 holdings.
Side-by-Side Comparison
| Metric | BIB | SPY | Winner |
|---|---|---|---|
| Expense Ratio | 0.95% | 0.09% | |
| AUM | $88M | $821.1B | |
| Dividend Yield | 0.33% | 1.01% | |
| Holdings | 261 | 505 | |
| YTD Return | +40.63% | +12.93% | |
| 1Y Return | +102.41% | +20.62% | |
| 3Y Return (annualized) | +30.59% | +22.00% | |
| 5Y Return (annualized) | +2.70% | +13.33% | |
| Volatility (annualized) | 40.5% | 15.3% | |
| Max Drawdown | -67.2% | -56.5% | |
| Fund Family | ProShares | State Street Investment Management | |
| Category | Alternative | Equity | |
| Inception | Apr 6, 2010 | Jan 22, 1993 |
BIB vs SPY Performance
ProShares Ultra Nasdaq Biotechnology (BIB) is a ETF from ProShares and State Street SPDR S&P 500 ETF Trust (SPY) is a ETF from State Street Investment Management. Over the past year BIB returned +102.41% while SPY returned +20.62%. Year to date, BIB is up 40.63% versus a gain of 12.93% for SPY.
Over three years, BIB compounded at +30.59% per year against +22.00% for SPY; over five years the annualized figures are +2.70% and +13.33% respectively. Across the full 16-year window we track, BIB has the edge at +18.15% annualized vs +8.82%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
BIB has been the more volatile fund, with annualized monthly volatility of 40.5% compared with 15.3% for SPY. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -67.2% for BIB and -56.5% for SPY. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
The two funds' monthly returns correlate at 0.61. They move independently enough that combining them can meaningfully diversify a portfolio.
Fees and Cost Over Time
BIB charges 0.95% per year while SPY charges 0.09%. On a $10,000 position that is $95 vs $9 annually, a gap of $86 per year that compounds over a long holding period. On income, BIB currently yields 0.33% against 1.01% for SPY.
Holdings Overlap
BIB and SPY share 8 holdings out of 748 unique holdings combined, representing a 1.0% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, BIB or SPY?
BIB has an expense ratio of 0.95% while SPY charges 0.09%. SPY is the cheaper option. On a $10,000 investment, that is $86 per year of difference.
Which performed better, BIB or SPY?
Over the past year BIB returned +102.41% vs +20.62% for SPY, so BIB leads on 1-year performance. Over the longest common window we track (16 years), BIB annualized +18.15% vs +8.82% for SPY. Past performance does not guarantee future results.
Which is riskier, BIB or SPY?
BIB has been the more volatile fund at 40.5% annualized versus 15.3% for SPY. Worst drawdown: BIB -67.2% vs SPY -56.5%.
Should I hold both BIB and SPY?
BIB and SPY have a monthly-return correlation of 0.61, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between BIB and SPY?
BIB and SPY share 8 common holdings with a 1.0% weight overlap. Combined, they hold 748 unique securities.
Which pays a higher dividend, BIB or SPY?
BIB yields 0.33% while SPY yields 1.01%, so SPY currently pays the higher dividend yield.
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