XAR vs. XBI

Last updated Jun 12, 2026

XAR (SPDR S&P Aerospace & Defense ETF) and XBI (SPDR S&P Biotech ETF) are both exchange-traded funds - XAR is a Aerospace & Defense fund tracking the S&P Aerospace & Defense Select Industry Index, while XBI is a Health & Biotech Equities fund tracking the S&P Biotechnology Select Industry Index. Both are passively managed. Over the past 10 years, XAR returned 18.55%/yr vs 9.42%/yr for XBI. At a 0.49 correlation, their price movements are largely independent. Both charge a 0.35% expense ratio.

Performance

XAR vs. XBI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR S&P Aerospace & Defense ETF (XAR) and SPDR S&P Biotech ETF (XBI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, XAR achieves a 17.94% return, which is significantly higher than XBI's 8.87% return. Over the past 10 years, XAR has outperformed XBI with an annualized return of 18.55%, while XBI has yielded a comparatively lower 9.42% annualized return.

XAR

• 1D: 6.62%
• 1M: 5.95%
• YTD: 17.94%
• 6M: 18.96%
• 1Y: 43.77%
• 3Y*: 34.21%
• 5Y*: 16.94%
• 10Y*: 18.55%

XBI

• 1D: 3.02%
• 1M: -1.61%
• YTD: 8.87%
• 6M: 8.26%
• 1Y: 57.91%
• 3Y*: 14.63%
• 5Y*: -0.35%
• 10Y*: 9.42%

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

XAR vs. XBI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
XAR SPDR S&P Aerospace & Defense ETF	17.94%	46.15%	23.32%	23.79%	-5.02%	2.31%	6.18%	39.33%	-4.58%	33.00%
XBI SPDR S&P Biotech ETF	8.87%	35.89%	1.01%	7.60%	-25.87%	-20.45%	48.33%	32.56%	-15.28%	43.77%

Correlation

The correlation between XAR and XBI is 0.47, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.47
Correlation (3Y) Calculated over the trailing 3-year period	0.50
Correlation (5Y) Calculated over the trailing 5-year period	0.54
Correlation (10Y) Calculated over the trailing 10-year period	0.50
Correlation (All Time) Calculated using the full available price history since Sep 29, 2011	0.49

The correlation between XAR and XBI has been stable across timeframes, ranging from 0.47 to 0.54 - a consistent structural relationship.

XAR vs. XBI - Sectors Allocation Comparison

Sectors	XAR	XBI
Industrials	99.1%	-
Technology	0.8%	-
Basic Materials	-	0.2%
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	0.2%
Healthcare	-	99.8%
Real Estate	-	-
Utilities	-	-

Return for Risk

XAR vs. XBI — Risk / Return Rank

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

XAR

XAR Risk / Return Rank: 56
XAR Sharpe Ratio Rank: 57
XAR Sortino Ratio Rank: 58
XAR Omega Ratio Rank: 50
XAR Calmar Ratio Rank: 62
XAR Martin Ratio Rank: 51

XBI

XBI Risk / Return Rank: 85
XBI Sharpe Ratio Rank: 83
XBI Sortino Ratio Rank: 82
XBI Omega Ratio Rank: 74
XBI Calmar Ratio Rank: 94
XBI Martin Ratio Rank: 90

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.

XAR vs. XBI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR S&P Aerospace & Defense ETF (XAR) and SPDR S&P Biotech ETF (XBI). 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.

	XAR	XBI	Difference
Sharpe ratio: Return per unit of total volatility	1.58	2.23	-0.65
Sortino ratio: Return per unit of downside risk	2.29	3.06	-0.77
Omega ratio: Gain probability vs. loss probability	1.26	1.36	-0.10
Calmar ratio: Return relative to maximum drawdown	2.55	5.99	-3.43
Martin ratio: Return relative to average drawdown	7.17	17.65	-10.48

XAR vs. XBI - Sharpe Ratio Comparison

The current XAR Sharpe Ratio is 1.58, which is comparable to the XBI Sharpe Ratio of 2.23. The chart below compares the historical Sharpe Ratios of XAR and XBI, 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

XAR vs. XBI - Drawdown Comparison

The maximum XAR drawdown since its inception was -46.37%, smaller than the maximum XBI drawdown of -63.89%. Use the drawdown chart below to compare losses from any high point for XAR and XBI.

Drawdown Indicators

	XAR	XBI	Difference
Max Drawdown Largest peak-to-trough decline	-46.37%	-63.89%	+17.52%
Max Drawdown (1Y) Largest decline over 1 year	-17.22%	-9.72%	-7.50%
Max Drawdown (3Y) Largest decline over 3 years	-19.73%	-32.99%	+13.26%
Max Drawdown (5Y) Largest decline over 5 years	-32.40%	-54.71%	+22.31%
Max Drawdown (10Y) Largest decline over 10 years	-46.37%	-63.89%	+17.52%
Current Drawdown Current decline from peak	-2.81%	-23.28%	+20.47%
Average Drawdown Average peak-to-trough decline	-6.78%	-20.93%	+14.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.12%	3.29%	+2.83%

Volatility

XAR vs. XBI - Volatility Comparison

SPDR S&P Aerospace & Defense ETF (XAR) has a higher volatility of 11.32% compared to SPDR S&P Biotech ETF (XBI) at 10.38%. This indicates that XAR's price experiences larger fluctuations and is considered to be riskier than XBI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	XAR	XBI	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.32%	10.38%	+0.94%
Volatility (6M) Calculated over the trailing 6-month period	23.52%	20.76%	+2.76%
Volatility (1Y) Calculated over the trailing 1-year period	27.80%	26.12%	+1.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.66%	32.22%	-8.56%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.74%	32.01%	-7.27%

XAR vs. XBI - Expense Ratio Comparison

Both XAR and XBI have an expense ratio of 0.35%.

Dividends

XAR vs. XBI - Dividend Comparison

XAR's dividend yield for the trailing twelve months is around 0.31%, less than XBI's 0.33% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
XAR SPDR S&P Aerospace & Defense ETF	0.31%	0.40%	0.66%	0.54%	0.50%	0.83%	0.63%	0.75%	1.19%	0.76%	1.09%	2.31%
XBI SPDR S&P Biotech ETF	0.33%	0.37%	0.15%	0.02%	0.00%	0.04%	0.20%	0.00%	0.28%	0.24%	0.26%	0.61%

Frequently Asked Questions

Can I hold both XAR and XBI in my portfolio?

XAR and XBI have a correlation of 0.47, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, XAR or XBI?

XAR has higher volatility (11.32%) compared to XBI (10.38%). In terms of maximum drawdown, XAR dropped -46.37% vs XBI's -63.89%.

Which ETF is better, XAR or XBI?

On 10-year performance, XAR leads with 18.55% vs 9.42% for XBI. Both ETFs have the same 0.35% expense ratio. On volatility, XBI has been the lower-risk option at 10.38%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, XAR or XBI?

Over the 10-year period, XAR has performed better with a 18.55% return vs 9.42%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, XAR or XBI?

XAR and XBI have the same expense ratio: 0.35% per year.

Which ETF pays a higher dividend yield, XAR or XBI?

XBI has the higher dividend yield at 0.33%, compared with 0.31% for XAR.

What is the main difference between XAR and XBI?

XAR is categorized as Aerospace & Defense, while XBI is Health & Biotech Equities. XAR tracks S&P Aerospace & Defense Select Industry Index, while XBI tracks S&P Biotechnology Select Industry Index.

Which has better risk-adjusted returns?

XBI currently has the higher Sharpe Ratio (2.23 vs 1.58), 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.