XSW vs. IDGT

Last updated Jul 14, 2026

XSW (SPDR S&P Software & Services ETF) and IDGT (iShares U.S. Digital Infrastructure and Real Estate ETF) are both Technology Equities funds - XSW tracks the S&P Software & Services Select Industry Index while IDGT tracks the S&P Data Center, Tower REIT and Communications Equipment Index. Both are passively managed. Over the past 10 years, XSW returned 13.25%/yr vs 13.32%/yr for IDGT. A 0.69 correlation means they provide meaningful diversification when combined. XSW charges 0.35%/yr vs 0.39%/yr for IDGT.

Performance

XSW vs. IDGT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR S&P Software & Services ETF (XSW) and iShares U.S. Digital Infrastructure and Real Estate ETF (IDGT). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, XSW achieves a -4.56% return, which is significantly lower than IDGT's 40.12% return. Both investments have delivered pretty close results over the past 10 years, with XSW having a 13.25% annualized return and IDGT not far ahead at 13.32%.

XSW

• 1D: 0.88%
• 1M: 7.50%
• 6M: -6.34%
• YTD: -4.56%
• 1Y: -3.96%
• 3Y*: 8.75%
• 5Y*: 1.43%
• 10Y*: 13.25%

IDGT

• 1D: -1.76%
• 1M: -4.81%
• 6M: 38.57%
• YTD: 40.12%
• 1Y: 46.90%
• 3Y*: 21.42%
• 5Y*: 11.43%
• 10Y*: 13.32%

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

XSW vs. IDGT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
XSW SPDR S&P Software & Services ETF	-4.56%	-0.90%	25.81%	38.60%	-34.22%	7.47%	52.41%	36.50%	7.67%	27.94%
IDGT iShares U.S. Digital Infrastructure and Real Estate ETF	40.12%	6.79%	26.71%	-6.09%	-17.90%	42.14%	8.78%	17.39%	-1.97%	11.81%

Correlation

The correlation between XSW and IDGT is 0.43, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.43
Correlation (3Y) Calculated over the trailing 3-year period	0.60
Correlation (5Y) Calculated over the trailing 5-year period	0.68
Correlation (10Y) Calculated over the trailing 10-year period	0.69
Correlation (All Time) Calculated using the full available price history since Sep 29, 2011	0.69

Over the past year, the correlation between XSW and IDGT has dropped to 0.43 - well below their long-term average of 0.69, suggesting their price drivers have been diverging.

XSW vs. IDGT - Sectors Allocation Comparison

Sectors	XSW	IDGT
Technology	85.9%	57.5%
Financial Services	9.0%	-
Communication Services	2.7%	6.9%
Consumer Cyclical	1.1%	-
Healthcare	0.8%	-
Industrials	0.6%	-
Basic Materials	-	-
Consumer Defensive	-	-
Energy	-	-
Real Estate	-	35.5%
Utilities	-	-

Return for Risk

XSW vs. IDGT — Risk / Return Rank

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

XSW

XSW Risk / Return Rank: 8
XSW Sharpe Ratio Rank: 8
XSW Sortino Ratio Rank: 8
XSW Omega Ratio Rank: 8
XSW Calmar Ratio Rank: 8
XSW Martin Ratio Rank: 8

IDGT

IDGT Risk / Return Rank: 80
IDGT Sharpe Ratio Rank: 84
IDGT Sortino Ratio Rank: 80
IDGT Omega Ratio Rank: 78
IDGT Calmar Ratio Rank: 81
IDGT Martin Ratio Rank: 79

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.

XSW vs. IDGT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR S&P Software & Services ETF (XSW) and iShares U.S. Digital Infrastructure and Real Estate ETF (IDGT). 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.

	XSW	IDGT	Difference
Sharpe ratio: Return per unit of total volatility	-0.14	2.15	-2.28
Sortino ratio: Return per unit of downside risk	0.01	2.80	-2.79
Omega ratio: Gain probability vs. loss probability	1.00	1.36	-0.36
Calmar ratio: Return relative to maximum drawdown	-0.12	3.42	-3.54
Martin ratio: Return relative to average drawdown	-0.24	11.91	-12.15

XSW vs. IDGT - Sharpe Ratio Comparison

The current XSW Sharpe Ratio is -0.14, which is lower than the IDGT Sharpe Ratio of 2.15. The chart below compares the historical Sharpe Ratios of XSW and IDGT, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

XSW vs. IDGT - Drawdown Comparison

The maximum XSW drawdown since its inception was -45.38%, smaller than the maximum IDGT drawdown of -77.95%. Use the drawdown chart below to compare losses from any high point for XSW and IDGT.

Drawdown Indicators

	XSW	IDGT	Difference
Max Drawdown Largest peak-to-trough decline	-45.38%	-77.95%	+32.57%
Max Drawdown (1Y) Largest decline over 1 year	-33.75%	-13.78%	-19.97%
Max Drawdown (3Y) Largest decline over 3 years	-33.75%	-22.76%	-10.99%
Max Drawdown (5Y) Largest decline over 5 years	-45.38%	-35.83%	-9.55%
Max Drawdown (10Y) Largest decline over 10 years	-45.38%	-36.88%	-8.50%
Current Drawdown Current decline from peak	-12.97%	-10.39%	-2.58%
Average Drawdown Average peak-to-trough decline	-9.88%	-19.86%	+9.98%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.67%	3.95%	+12.72%

Volatility

XSW vs. IDGT - Volatility Comparison

SPDR S&P Software & Services ETF (XSW) has a higher volatility of 7.88% compared to iShares U.S. Digital Infrastructure and Real Estate ETF (IDGT) at 7.46%. This indicates that XSW's price experiences larger fluctuations and is considered to be riskier than IDGT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	XSW	IDGT	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.88%	7.46%	+0.42%
Volatility (6M) Calculated over the trailing 6-month period	24.53%	18.45%	+6.08%
Volatility (1Y) Calculated over the trailing 1-year period	29.16%	21.98%	+7.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.04%	23.45%	+5.59%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.29%	23.30%	+2.99%

XSW vs. IDGT - Expense Ratio Comparison

XSW has a 0.35% expense ratio, which is lower than IDGT's 0.39% expense ratio.

Dividends

XSW vs. IDGT - Dividend Comparison

XSW has not paid dividends to shareholders, while IDGT's dividend yield for the trailing twelve months is around 0.77%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IDGT iShares U.S. Digital Infrastructure and Real Estate ETF	0.77%	1.17%	1.64%	0.37%	0.30%	0.28%	0.60%	0.42%	0.65%	0.57%	0.75%	0.72%
XSW SPDR S&P Software & Services ETF	0.00%	0.06%	0.07%	0.20%	0.09%	0.13%	0.26%	0.12%	0.31%	0.46%	0.87%	0.54%

Frequently Asked Questions

Can I hold both XSW and IDGT in my portfolio?

XSW and IDGT have a correlation of 0.43, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, XSW or IDGT?

XSW has higher volatility (7.88%) compared to IDGT (7.46%). In terms of maximum drawdown, XSW dropped -45.38% vs IDGT's -77.95%.

Which ETF is better, XSW or IDGT?

On 10-year performance, IDGT leads with 13.32% vs 13.25% for XSW. On fees, XSW is cheaper at 0.35% per year. On volatility, IDGT has been the lower-risk option at 7.46%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, XSW or IDGT?

Over the 10-year period, IDGT has performed better with a 13.32% return vs 13.25%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, XSW or IDGT?

XSW is cheaper with a 0.35% expense ratio, compared with 0.39% for IDGT.

Which ETF pays a higher dividend yield, XSW or IDGT?

IDGT has the higher dividend yield at 0.77%, compared with 0.00% for XSW.

What is the main difference between XSW and IDGT?

XSW tracks S&P Software & Services Select Industry Index, while IDGT tracks S&P Data Center, Tower REIT and Communications Equipment Index. They also come from different issuers: State Street and iShares. Their fees differ too: 0.35% for XSW and 0.39% for IDGT.

Which has better risk-adjusted returns?

IDGT currently has the higher Sharpe Ratio (2.15 vs -0.14), 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.