^XCI vs. XLK

Last updated Apr 2, 2026

Compare and contrast key facts about ARCA Computer Technology Index (^XCI) and State Street Technology Select Sector SPDR ETF (XLK).

XLK is a passively managed fund by State Street that tracks the performance of the S&P Technology Select Sector Daily Capped 35/20 Index. It was launched on Dec 16, 1998.

Performance

^XCI vs. XLK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ARCA Computer Technology Index (^XCI) and State Street Technology Select Sector SPDR ETF (XLK). The values are adjusted to include any dividend payments, if applicable.

^XCI vs. XLK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
^XCI ARCA Computer Technology Index	-8.61%	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	-6.18%	24.61%	21.63%	56.02%	-27.73%	34.74%	43.62%	49.86%	-1.68%	34.26%

Returns By Period

In the year-to-date period, ^XCI achieves a -8.61% return, which is significantly lower than XLK's -6.18% return. Over the past 10 years, ^XCI has outperformed XLK with an annualized return of 23.39%, while XLK has yielded a comparatively lower 21.00% annualized return.

^XCI

• 1D: 1.23%
• 1M: -4.39%
• YTD: -8.61%
• 6M: -7.44%
• 1Y: 31.32%
• 3Y*: 29.59%
• 5Y*: 19.88%
• 10Y*: 23.39%

XLK

• 1D: 1.51%
• 1M: -3.20%
• YTD: -6.18%
• 6M: -4.94%
• 1Y: 30.47%
• 3Y*: 22.19%
• 5Y*: 15.65%
• 10Y*: 21.00%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

^XCI vs. XLK — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

^XCI

^XCI Risk / Return Rank: 75
^XCI Sharpe Ratio Rank: 79
^XCI Sortino Ratio Rank: 83
^XCI Omega Ratio Rank: 80
^XCI Calmar Ratio Rank: 70
^XCI Martin Ratio Rank: 64

XLK

XLK Risk / Return Rank: 65
XLK Sharpe Ratio Rank: 62
XLK Sortino Ratio Rank: 65
XLK Omega Ratio Rank: 63
XLK Calmar Ratio Rank: 73
XLK Martin Ratio Rank: 62

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

^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.

	^XCI	XLK	Difference
Sharpe ratio Return per unit of total volatility	1.16	1.13	+0.03
Sortino ratio Return per unit of downside risk	1.80	1.71	+0.09
Omega ratio Gain probability vs. loss probability	1.25	1.24	+0.01
Calmar ratio Return relative to maximum drawdown	1.74	1.97	-0.23
Martin ratio Return relative to average drawdown	5.49	6.31	-0.81
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

^XCI vs. XLK - Sharpe Ratio Comparison

The current ^XCI Sharpe Ratio is 1.16, which is comparable to the XLK Sharpe Ratio of 1.13. The chart below compares the historical Sharpe Ratios of ^XCI and XLK, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	^XCI	XLK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.16	1.13	+0.03
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.78	0.64	+0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.94	0.87	+0.07
Sharpe Ratio (All Time) Calculated using the full available price history	0.39	0.36	+0.03

Correlation

The correlation between ^XCI and XLK is 0.96, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

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.

Drawdown Indicators

	^XCI	XLK	Difference
Max Drawdown Largest 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 (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 Drawdown Current decline from peak	-14.22%	-11.04%	-3.18%
Average Drawdown Average peak-to-trough decline	-31.38%	-35.17%	+3.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.98%	4.98%	+1.00%

Volatility

^XCI vs. XLK - Volatility Comparison

ARCA Computer Technology Index (^XCI) and State Street Technology Select Sector SPDR ETF (XLK) have volatilities of 7.94% and 8.12%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	^XCI	XLK	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.94%	8.12%	-0.18%
Volatility (6M) Calculated over the trailing 6-month period	15.43%	16.49%	-1.06%
Volatility (1Y) Calculated over the trailing 1-year period	27.20%	27.05%	+0.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.60%	24.72%	+0.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.10%	24.33%	+0.77%