IUIT.L vs. GXLK.L
IUIT.L (iShares S&P 500 Information Technology Sector UCITS ETF) and GXLK.L (SPDR S&P US Technology Select Sector UCITS ETF) are both Technology Equities funds - IUIT.L tracks the S&P 500 Capped 35/20 Information Technology Index while GXLK.L tracks the MSCI World/Information Tech NR USD. Both are passively managed. Over the past 3 years, IUIT.L returned 34.42%/yr vs 29.76%/yr for GXLK.L. Their correlation of 0.95 suggests significant overlap in exposure. Both charge a 0.15% expense ratio.
Performance
IUIT.L vs. GXLK.L - Performance Comparison
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Different Trading Currencies
IUIT.L is traded in USD, while GXLK.L is traded in GBP. To make them comparable, the GXLK.L values have been converted to USD using the latest available exchange rates.
Returns By Period
The year-to-date returns for both investments are quite close, with IUIT.L having a 23.04% return and GXLK.L slightly higher at 23.08%.
IUIT.L
- 1D
- -2.11%
- 1M
- 13.14%
- YTD
- 23.04%
- 6M
- 22.75%
- 1Y
- 51.87%
- 3Y*
- 34.42%
- 5Y*
- 24.18%
- 10Y*
- 26.33%
GXLK.L
- 1D
- -2.01%
- 1M
- 13.27%
- YTD
- 23.08%
- 6M
- 23.10%
- 1Y
- 52.29%
- 3Y*
- 29.76%
- 5Y*
- —
- 10Y*
- —
IUIT.L vs. GXLK.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
IUIT.L iShares S&P 500 Information Technology Sector UCITS ETF | 23.04% | 22.93% | 38.51% | 59.45% | -23.33% |
GXLK.L SPDR S&P US Technology Select Sector UCITS ETF | 23.08% | 24.63% | 22.65% | 56.14% | -22.69% |
Correlation
The correlation between IUIT.L and GXLK.L is 0.97 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.97 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.95 |
Correlation (All Time) Calculated using the full available price history since Apr 5, 2022 | 0.95 |
The correlation between IUIT.L and GXLK.L has been stable across timeframes, ranging from 0.95 to 0.97 - a consistent structural relationship.
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Return for Risk
IUIT.L vs. GXLK.L — Risk / Return Rank
IUIT.L
GXLK.L
IUIT.L vs. GXLK.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares S&P 500 Information Technology Sector UCITS ETF (IUIT.L) and SPDR S&P US Technology Select Sector UCITS ETF (GXLK.L). 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.
| IUIT.L | GXLK.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.09 | ||
| Sortino ratioReturn per unit of downside risk | -0.12 | ||
| Omega ratioGain probability vs. loss probability | 1.41 | 1.43 | -0.02 |
| Calmar ratioReturn relative to maximum drawdown | 3.03 | 3.11 | -0.08 |
| Martin ratioReturn relative to average drawdown | 8.99 | 9.30 | -0.31 |
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
| IUIT.L | GXLK.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.55 | 2.64 | -0.09 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 1.02 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 1.20 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.16 | 0.78 | +0.38 |
Drawdowns
IUIT.L vs. GXLK.L - Drawdown Comparison
The maximum IUIT.L drawdown since its inception was -33.46%, which is greater than GXLK.L's maximum drawdown of -28.06%. Use the drawdown chart below to compare losses from any high point for IUIT.L and GXLK.L.
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Drawdown Indicators
| IUIT.L | GXLK.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.46% | -28.06% | -5.40% |
Max Drawdown (1Y)Largest decline over 1 year | -17.03% | -16.71% | -0.32% |
Max Drawdown (3Y)Largest decline over 3 years | -26.40% | -27.01% | +0.61% |
Max Drawdown (5Y)Largest decline over 5 years | -33.46% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -33.46% | — | — |
Current DrawdownCurrent decline from peak | -3.14% | -3.06% | -0.08% |
Average DrawdownAverage peak-to-trough decline | -6.02% | -8.55% | +2.53% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.76% | 5.61% | +0.15% |
Volatility
IUIT.L vs. GXLK.L - Volatility Comparison
iShares S&P 500 Information Technology Sector UCITS ETF (IUIT.L) has a higher volatility of 7.49% compared to SPDR S&P US Technology Select Sector UCITS ETF (GXLK.L) at 6.86%. This indicates that IUIT.L's price experiences larger fluctuations and is considered to be riskier than GXLK.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IUIT.L | GXLK.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.49% | 6.86% | +0.63% |
Volatility (6M)Calculated over the trailing 6-month period | 15.53% | 14.74% | +0.79% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.28% | 19.71% | +0.57% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.61% | 27.80% | -4.19% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.47% | 27.80% | -5.33% |
IUIT.L vs. GXLK.L - Expense Ratio Comparison
Both IUIT.L and GXLK.L have an expense ratio of 0.15%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
IUIT.L vs. GXLK.L - Dividend Comparison
Neither IUIT.L nor GXLK.L has paid dividends to shareholders.
Frequently Asked Questions
With a correlation of 0.97, IUIT.L and GXLK.L 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.
Both ETFs have the same 0.15% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
IUIT.L and GXLK.L have the same expense ratio: 0.15% per year.
IUIT.L tracks S&P 500 Capped 35/20 Information Technology Index, while GXLK.L tracks MSCI World/Information Tech NR USD. They also come from different issuers: iShares and State Street.
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