SPAB vs. XLK
SPAB (SPDR Portfolio Aggregate Bond ETF) and XLK (State Street Technology Select Sector SPDR ETF) are both exchange-traded funds - SPAB is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Bond Index, while XLK is a Technology Equities fund tracking the S&P Technology Select Sector Daily Capped 35/20 Index. Both are passively managed. Over the past 10 years, SPAB returned 1.54%/yr vs 25.84%/yr for XLK. At a correlation of -0.09, they often move in opposite directions. SPAB charges 0.03%/yr vs 0.08%/yr for XLK.
Performance
SPAB vs. XLK - Performance Comparison
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Returns By Period
In the year-to-date period, SPAB achieves a 0.29% return, which is significantly lower than XLK's 36.47% return. Over the past 10 years, SPAB has underperformed XLK with an annualized return of 1.54%, while XLK has yielded a comparatively higher 25.84% annualized return.
SPAB
- 1D
- -0.12%
- 1M
- 0.31%
- YTD
- 0.29%
- 6M
- 0.14%
- 1Y
- 5.24%
- 3Y*
- 3.93%
- 5Y*
- 0.07%
- 10Y*
- 1.54%
XLK
- 1D
- -1.00%
- 1M
- 21.09%
- YTD
- 36.47%
- 6M
- 35.71%
- 1Y
- 66.93%
- 3Y*
- 33.90%
- 5Y*
- 23.83%
- 10Y*
- 25.84%
SPAB vs. XLK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SPAB SPDR Portfolio Aggregate Bond ETF | 0.29% | 7.25% | 1.25% | 5.56% | -13.04% | -1.77% | 7.39% | 8.67% | -0.18% | 3.71% |
XLK State Street Technology Select Sector SPDR ETF | 36.47% | 24.61% | 21.63% | 56.02% | -27.73% | 34.74% | 43.62% | 49.86% | -1.68% | 34.26% |
Correlation
The correlation between SPAB and XLK is 0.18, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.18 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.14 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.14 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.05 |
Correlation (All Time) Calculated using the full available price history since May 31, 2007 | -0.09 |
The correlation between SPAB and XLK shifts across timeframes, from -0.09 (all time) to 0.18 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
SPAB vs. XLK — Risk / Return Rank
SPAB
XLK
SPAB vs. XLK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR Portfolio Aggregate Bond ETF (SPAB) and State Street Technology Select Sector SPDR ETF (XLK). 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.
| SPAB | XLK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.84 | ||
| Sortino ratioReturn per unit of downside risk | -1.81 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 1.52 | -0.27 |
| Calmar ratioReturn relative to maximum drawdown | 1.92 | 4.22 | -2.30 |
| Martin ratioReturn relative to average drawdown | 5.72 | 14.16 | -8.43 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| SPAB | XLK | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.40 | 3.24 | -1.84 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.01 | 0.96 | -0.95 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.28 | 1.06 | -0.78 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.50 | 0.42 | +0.09 |
Drawdowns
SPAB vs. XLK - Drawdown Comparison
The maximum SPAB drawdown since its inception was -18.56%, smaller than the maximum XLK drawdown of -82.05%. Use the drawdown chart below to compare losses from any high point for SPAB and XLK.
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Drawdown Indicators
| SPAB | XLK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.56% | -82.05% | +63.49% |
Max Drawdown (1Y)Largest decline over 1 year | -2.74% | -15.92% | +13.18% |
Max Drawdown (3Y)Largest decline over 3 years | -6.08% | -25.66% | +19.58% |
Max Drawdown (5Y)Largest decline over 5 years | -17.96% | -33.56% | +15.60% |
Max Drawdown (10Y)Largest decline over 10 years | -18.56% | -33.56% | +15.00% |
Current DrawdownCurrent decline from peak | -2.27% | -1.00% | -1.27% |
Average DrawdownAverage peak-to-trough decline | -3.08% | -34.96% | +31.88% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.92% | 4.74% | -3.82% |
Volatility
SPAB vs. XLK - Volatility Comparison
The current volatility for SPDR Portfolio Aggregate Bond ETF (SPAB) is 1.15%, while State Street Technology Select Sector SPDR ETF (XLK) has a volatility of 6.98%. This indicates that SPAB experiences smaller price fluctuations and is considered to be less risky than XLK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SPAB | XLK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.15% | 6.98% | -5.83% |
Volatility (6M)Calculated over the trailing 6-month period | 2.57% | 16.68% | -14.11% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.77% | 20.82% | -17.05% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.92% | 24.90% | -18.98% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.54% | 24.49% | -18.95% |
SPAB vs. XLK - Expense Ratio Comparison
SPAB has a 0.03% expense ratio, which is lower than XLK's 0.08% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
SPAB vs. XLK - Dividend Comparison
SPAB's dividend yield for the trailing twelve months is around 4.05%, more than XLK's 0.39% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SPAB SPDR Portfolio Aggregate Bond ETF | 4.05% | 3.97% | 3.86% | 3.34% | 2.59% | 2.11% | 2.43% | 2.92% | 2.96% | 2.67% | 2.63% | 2.59% |
XLK State Street Technology Select Sector SPDR ETF | 0.39% | 0.54% | 0.66% | 0.76% | 1.04% | 0.65% | 0.92% | 1.16% | 1.60% | 1.37% | 1.74% | 1.79% |
Frequently Asked Questions
SPAB and XLK have a correlation of 0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
XLK has higher volatility (6.98%) compared to SPAB (1.15%). In terms of maximum drawdown, SPAB dropped -18.56% vs XLK's -82.05%.
On 10-year performance, XLK leads with 25.84% vs 1.54% for SPAB. On fees, SPAB is cheaper at 0.03% per year. On volatility, SPAB has been the lower-risk option at 1.15%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, XLK has performed better with a 25.84% return vs 1.54%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SPAB is cheaper with a 0.03% expense ratio, compared with 0.08% for XLK.
SPAB has the higher dividend yield at 4.05%, compared with 0.39% for XLK.
SPAB is categorized as Total Bond Market, while XLK is Technology Equities. SPAB tracks Bloomberg U.S. Aggregate Bond Index, while XLK tracks S&P Technology Select Sector Daily Capped 35/20 Index. Their fees differ too: 0.03% for SPAB and 0.08% for XLK.
XLK currently has the higher Sharpe Ratio (3.24 vs 1.40), 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.
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