IBTK vs SPY
iShares iBonds Dec 2030 Term Treasury ETF vs State Street SPDR S&P 500 ETF Trust
Quick Verdict
IBTK has a lower expense ratio. SPY delivered stronger 1-year returns. SPY offers more diversification with 503 holdings.
Side-by-Side Comparison
| Metric | IBTK | SPY | Winner |
|---|---|---|---|
| Expense Ratio | 0.07% | 0.09% | |
| AUM | $965M | $789.1B | |
| Dividend Yield | 3.79% | 1.01% | |
| Holdings | 28 | 505 | |
| YTD Return | -0.34% | +13.79% | |
| 1Y Return | +1.47% | +23.66% | |
| 3Y Return (annualized) | +3.60% | +21.40% | |
| 5Y Return (annualized) | -1.08% | +13.37% | |
| Volatility (annualized) | 6.4% | 15.3% | |
| Max Drawdown | -23.1% | -56.5% | |
| Fund Family | iShares by BlackRock (US) | State Street Investment Management | |
| Category | Fixed Income | Equity | |
| Inception | Jul 14, 2020 | Jan 22, 1993 |
IBTK vs SPY Performance
iShares iBonds Dec 2030 Term Treasury ETF (IBTK) is a ETF from iShares by BlackRock (US) and State Street SPDR S&P 500 ETF Trust (SPY) is a ETF from State Street Investment Management. Over the past year IBTK returned +1.47% while SPY returned +23.66%. Year to date, IBTK is down 0.34% versus a gain of 13.79% for SPY.
Over three years, IBTK compounded at +3.60% per year against +21.40% for SPY; over five years the annualized figures are -1.08% and +13.37% respectively. Across the full 6-year window we track, SPY has the edge at +8.85% annualized vs -1.65%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
SPY has been the more volatile fund, with annualized monthly volatility of 15.3% compared with 6.4% for IBTK. 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 -23.1% for IBTK 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 0.45. They move independently enough that combining them can meaningfully diversify a portfolio.
Fees and Cost Over Time
IBTK charges 0.07% per year while SPY charges 0.09%. On a $10,000 position that is $7 vs $9 annually, a gap of $2 per year that compounds over a long holding period. On income, IBTK currently yields 3.79% against 1.01% for SPY.
Holdings Overlap
IBTK and SPY share 0 holdings out of 527 unique holdings combined, representing a 0.0% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, IBTK or SPY?
IBTK has an expense ratio of 0.07% while SPY charges 0.09%. IBTK is the cheaper option. On a $10,000 investment, that is $2 per year of difference.
Which performed better, IBTK or SPY?
Over the past year IBTK returned +1.47% vs +23.66% for SPY, so SPY leads on 1-year performance. Over the longest common window we track (6 years), IBTK annualized -1.65% vs +8.85% for SPY. Past performance does not guarantee future results.
Which is riskier, IBTK or SPY?
SPY has been the more volatile fund at 15.3% annualized versus 6.4% for IBTK. Worst drawdown: IBTK -23.1% vs SPY -56.5%.
Should I hold both IBTK and SPY?
IBTK and SPY have a monthly-return correlation of 0.45, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between IBTK and SPY?
IBTK and SPY share 0 common holdings with a 0.0% weight overlap. Combined, they hold 527 unique securities.
Which pays a higher dividend, IBTK or SPY?
IBTK yields 3.79% while SPY yields 1.01%, so IBTK currently pays the higher dividend yield.
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