XOMA vs. XLE

Last updated Jun 6, 2026

XOMA (XOMA Corporation) is a stock, while XLE (State Street Energy Select Sector SPDR ETF) is Energy Equities fund tracking the Energy Select Sector Index. Over the past 10 years, XOMA returned 12.07%/yr vs 9.54%/yr for XLE. At a 0.19 correlation, their price movements are largely independent.

Performance

XOMA vs. XLE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in XOMA Corporation (XOMA) and State Street Energy Select Sector SPDR ETF (XLE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, XOMA achieves a 58.29% return, which is significantly higher than XLE's 29.83% return. Over the past 10 years, XOMA has outperformed XLE with an annualized return of 12.07%, while XLE has yielded a comparatively lower 9.54% annualized return.

XOMA

• 1D: -0.73%
• 1M: 1.94%
• YTD: 58.29%
• 6M: 40.72%
• 1Y: 66.69%
• 3Y*: 32.34%
• 5Y*: 7.43%
• 10Y*: 12.07%

XLE

• 1D: -1.84%
• 1M: 3.07%
• YTD: 29.83%
• 6M: 27.49%
• 1Y: 42.72%
• 3Y*: 16.70%
• 5Y*: 20.01%
• 10Y*: 9.54%

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

XOMA vs. XLE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
XOMA XOMA Corporation	58.29%	1.18%	42.05%	0.54%	-11.75%	-52.75%	61.65%	115.81%	-64.47%	743.60%
XLE State Street Energy Select Sector SPDR ETF	29.83%	7.88%	5.56%	-0.63%	64.32%	53.28%	-32.67%	11.74%	-18.22%	-0.89%

Correlation

The correlation between XOMA and XLE is -0.00, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.00
Correlation (3Y) Calculated over the trailing 3-year period	0.19
Correlation (5Y) Calculated over the trailing 5-year period	0.16
Correlation (10Y) Calculated over the trailing 10-year period	0.19
Correlation (All Time) Calculated using the full available price history since Dec 23, 1998	0.19

The correlation between XOMA and XLE shifts across timeframes, from -0.00 (1 year) to 0.19 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

XOMA vs. XLE — Risk / Return Rank

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

XOMA

XOMA Risk / Return Rank: 73
XOMA Sharpe Ratio Rank: 78
XOMA Sortino Ratio Rank: 71
XOMA Omega Ratio Rank: 75
XOMA Calmar Ratio Rank: 71
XOMA Martin Ratio Rank: 69

XLE

XLE Risk / Return Rank: 66
XLE Sharpe Ratio Rank: 69
XLE Sortino Ratio Rank: 62
XLE Omega Ratio Rank: 60
XLE Calmar Ratio Rank: 76
XLE 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.

XOMA vs. XLE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for XOMA Corporation (XOMA) and State Street Energy Select Sector SPDR ETF (XLE). 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.

	XOMA	XLE	Difference
Sharpe ratio: Return per unit of total volatility	1.27	2.23	-0.96
Sortino ratio: Return per unit of downside risk	1.76	2.86	-1.11
Omega ratio: Gain probability vs. loss probability	1.26	1.36	-0.09
Calmar ratio: Return relative to maximum drawdown	1.62	3.79	-2.16
Martin ratio: Return relative to average drawdown	3.46	10.90	-7.43
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

XOMA vs. XLE - Sharpe Ratio Comparison

The current XOMA Sharpe Ratio is 1.27, which is lower than the XLE Sharpe Ratio of 2.23. The chart below compares the historical Sharpe Ratios of XOMA and XLE, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	XOMA	XLE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.27	2.23	-0.96
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.12	0.77	-0.65
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.18	0.32	-0.14
Sharpe Ratio (All Time) Calculated using the full available price history	-0.14	0.31	-0.45

Drawdowns

XOMA vs. XLE - Drawdown Comparison

The maximum XOMA drawdown since its inception was -99.96%, which is greater than XLE's maximum drawdown of -71.26%. Use the drawdown chart below to compare losses from any high point for XOMA and XLE.

Drawdown Indicators

	XOMA	XLE	Difference
Max Drawdown Largest peak-to-trough decline	-99.96%	-71.26%	-28.70%
Max Drawdown (1Y) Largest decline over 1 year	-42.37%	-12.05%	-30.32%
Max Drawdown (3Y) Largest decline over 3 years	-44.63%	-20.14%	-24.49%
Max Drawdown (5Y) Largest decline over 5 years	-63.32%	-26.04%	-37.28%
Max Drawdown (10Y) Largest decline over 10 years	-70.71%	-66.81%	-3.90%
Current Drawdown Current decline from peak	-99.56%	-7.82%	-91.74%
Average Drawdown Average peak-to-trough decline	-86.25%	-17.98%	-68.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	19.79%	4.18%	+15.61%

Volatility

XOMA vs. XLE - Volatility Comparison

The current volatility for XOMA Corporation (XOMA) is 3.13%, while State Street Energy Select Sector SPDR ETF (XLE) has a volatility of 7.29%. This indicates that XOMA experiences smaller price fluctuations and is considered to be less risky than XLE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	XOMA	XLE	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.13%	7.29%	-4.16%
Volatility (6M) Calculated over the trailing 6-month period	43.79%	16.56%	+27.23%
Volatility (1Y) Calculated over the trailing 1-year period	54.26%	20.49%	+33.77%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	61.18%	26.02%	+35.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	67.38%	29.58%	+37.80%

Dividends

XOMA vs. XLE - Dividend Comparison

XOMA has not paid dividends to shareholders, while XLE's dividend yield for the trailing twelve months is around 2.59%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
XLE State Street Energy Select Sector SPDR ETF	2.59%	3.28%	3.36%	3.55%	3.68%	4.21%	5.62%	6.72%	3.54%	3.03%	2.26%	3.39%
XOMA XOMA Corporation	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both XOMA and XLE in my portfolio?

XOMA and XLE have a correlation of -0.00, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, XOMA or XLE?

XLE has higher volatility (7.29%) compared to XOMA (3.13%). In terms of maximum drawdown, XOMA dropped -99.96% vs XLE's -71.26%.

Which has better risk-adjusted returns?

XLE currently has the higher Sharpe Ratio (2.23 vs 1.27), 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.