^XCI vs. XLK
^XCI (ARCA Computer Technology Index) is an index, while XLK (State Street Technology Select Sector SPDR ETF) is Technology Equities fund tracking the S&P Technology Select Sector Daily Capped 35/20 Index. Over the past 10 years, ^XCI returned 25.84%/yr vs 23.77%/yr for XLK. Their 0.96 correlation means they have historically moved very closely together.
Performance
^XCI vs. XLK - Performance Comparison
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Returns By Period
In the year-to-date period, ^XCI achieves a 14.16% return, which is significantly lower than XLK's 22.09% return. Over the past 10 years, ^XCI has outperformed XLK with an annualized return of 25.84%, while XLK has yielded a comparatively lower 23.77% annualized return.
^XCI
- 1D
- 0.02%
- 1M
- 1.21%
- 6M
- 14.20%
- YTD
- 14.16%
- 1Y
- 28.28%
- 3Y*
- 29.74%
- 5Y*
- 21.58%
- 10Y*
- 25.84%
- ALL TIME*
- 12.93%
XLK
- 1D
- -0.22%
- 1M
- -2.90%
- 6M
- 22.17%
- YTD
- 22.09%
- 1Y
- 37.14%
- 3Y*
- 26.04%
- 5Y*
- 18.87%
- 10Y*
- 23.77%
- ALL TIME*
- 10.21%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $1.61B | $1.67B | $2.22B |
^XCI vs. XLK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
^XCI ARCA Computer Technology Index | 14.16% | 26.59% | 42.26% | 66.65% | -32.43% | 41.49% | 43.93% | 49.12% | -3.42% | 37.69% |
XLK State Street Technology Select Sector SPDR ETF | 22.09% | 24.61% | 21.63% | 56.02% | -27.73% | 34.74% | 43.62% | 49.86% | -1.68% | 34.26% |
Correlation
The correlation between ^XCI and XLK is 0.93, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.93 |
Correlation (3Y) Balances recent behavior with more history. | 0.94 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.96 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.97 |
Correlation (All Time) Calculated using the full available price history since Dec 22, 1998 | 0.96 |
The correlation between ^XCI and XLK has been stable across timeframes, ranging from 0.93 to 0.97 - a consistent structural relationship.
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Return for Risk
^XCI vs. XLK — Risk / Return Rank
^XCI
XLK
^XCI vs. XLK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ARCA Computer Technology Index (^XCI) 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| ^XCI | XLK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.20 | ||
| Sortino ratioReturn per unit of downside risk | -0.20 | ||
| Omega ratioGain probability vs. loss probability | 1.20 | 1.23 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 1.36 | 2.16 | -0.80 |
| Martin ratioReturn relative to average drawdown | 3.79 | 5.85 | -2.07 |
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Drawdowns
^XCI vs. XLK - Drawdown Comparison
The maximum ^XCI drawdown since its inception was -77.19%, smaller than the maximum XLK drawdown of -82.05%. Use the drawdown chart below to compare losses from any high point for ^XCI and XLK.
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Drawdown Indicators
| ^XCI | XLK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -77.19% | -82.05% | +4.86% |
Max Drawdown (1Y)Largest decline over 1 year | -18.85% | -15.92% | -2.93% |
Max Drawdown (3Y)Largest decline over 3 years | -26.74% | -25.66% | -1.08% |
Max Drawdown (5Y)Largest decline over 5 years | -37.04% | -33.56% | -3.48% |
Max Drawdown (10Y)Largest decline over 10 years | -37.04% | -33.56% | -3.48% |
Current DrawdownCurrent decline from peak | -8.10% | -11.43% | +3.33% |
Average DrawdownAverage peak-to-trough decline | -25.21% | -34.80% | +9.59% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.73% | 5.86% | +0.87% |
Volatility
^XCI vs. XLK - Volatility Comparison
The current volatility for ARCA Computer Technology Index (^XCI) is 7.09%, while State Street Technology Select Sector SPDR ETF (XLK) has a volatility of 9.58%. This indicates that ^XCI 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
| ^XCI | XLK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.09% | 9.58% | -2.49% |
Volatility (6M)Calculated over the trailing 6-month period | 17.89% | 21.81% | -3.92% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.27% | 25.59% | -3.32% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 26.06% | 25.75% | +0.31% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.38% | 24.90% | +0.48% |
Frequently Asked Questions
With a correlation of 0.93, ^XCI and XLK move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
XLK has higher volatility (9.58%) compared to ^XCI (7.09%). In terms of maximum drawdown, ^XCI dropped -77.19% vs XLK's -82.05%.
XLK currently has the higher Sharpe Ratio (1.34 vs 1.15), 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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