STEM vs. XME

Last updated Apr 1, 2026

Compare and contrast key facts about Stem, Inc. (STEM) and SPDR S&P Metals & Mining ETF (XME).

XME is a passively managed fund by State Street that tracks the performance of the S&P Metals & Mining Select Industry Index. It was launched on Jun 19, 2006.

Performance

STEM vs. XME - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Stem, Inc. (STEM) and SPDR S&P Metals & Mining ETF (XME). The values are adjusted to include any dividend payments, if applicable.

STEM vs. XME - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
STEM Stem, Inc.	-41.26%	24.79%	-84.46%	-56.60%	-52.87%	-7.28%	110.93%
XME SPDR S&P Metals & Mining ETF	4.31%	83.47%	-4.54%	21.51%	13.13%	34.92%	32.88%

Returns By Period

In the year-to-date period, STEM achieves a -41.26% return, which is significantly lower than XME's 4.31% return.

STEM

• 1D: 7.15%
• 1M: -15.89%
• YTD: -41.26%
• 6M: -49.54%
• 1Y: 26.18%
• 3Y*: -57.28%
• 5Y*: -56.05%
• 10Y*: —

XME

• 1D: 4.40%
• 1M: -9.45%
• YTD: 4.31%
• 6M: 16.12%
• 1Y: 93.75%
• 3Y*: 27.50%
• 5Y*: 22.88%
• 10Y*: 19.54%

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

Return for Risk

STEM vs. XME — Risk / Return Rank

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

STEM

STEM Risk / Return Rank: 53
STEM Sharpe Ratio Rank: 49
STEM Sortino Ratio Rank: 64
STEM Omega Ratio Rank: 59
STEM Calmar Ratio Rank: 46
STEM Martin Ratio Rank: 47

XME

XME Risk / Return Rank: 94
XME Sharpe Ratio Rank: 97
XME Sortino Ratio Rank: 95
XME Omega Ratio Rank: 94
XME Calmar Ratio Rank: 96
XME Martin Ratio Rank: 91

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.

STEM vs. XME - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Stem, Inc. (STEM) and SPDR S&P Metals & Mining ETF (XME). 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.

	STEM	XME	Difference
Sharpe ratio Return per unit of total volatility	0.21	2.63	-2.43
Sortino ratio Return per unit of downside risk	1.34	3.07	-1.73
Omega ratio Gain probability vs. loss probability	1.15	1.42	-0.27
Calmar ratio Return relative to maximum drawdown	0.18	4.05	-3.87
Martin ratio Return relative to average drawdown	0.36	11.64	-11.27
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

STEM vs. XME - Sharpe Ratio Comparison

The current STEM Sharpe Ratio is 0.21, which is lower than the XME Sharpe Ratio of 2.63. The chart below compares the historical Sharpe Ratios of STEM and XME, 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

	STEM	XME	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.21	2.63	-2.43
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.49	0.71	-1.20
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.59	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.37	0.15	-0.52

Correlation

The correlation between STEM and XME is 0.35, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

STEM vs. XME - Dividend Comparison

STEM has not paid dividends to shareholders, while XME's dividend yield for the trailing twelve months is around 0.35%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
STEM Stem, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
XME SPDR S&P Metals & Mining ETF	0.35%	0.38%	0.65%	1.00%	1.64%	0.70%	0.99%	2.43%	2.23%	1.15%	1.02%	2.61%

Drawdowns

STEM vs. XME - Drawdown Comparison

The maximum STEM drawdown since its inception was -99.41%, which is greater than XME's maximum drawdown of -85.89%. Use the drawdown chart below to compare losses from any high point for STEM and XME.

Drawdown Indicators

	STEM	XME	Difference
Max Drawdown Largest peak-to-trough decline	-99.41%	-85.89%	-13.52%
Max Drawdown (1Y) Largest decline over 1 year	-72.31%	-22.60%	-49.71%
Max Drawdown (5Y) Largest decline over 5 years	-99.20%	-37.27%	-61.93%
Max Drawdown (10Y) Largest decline over 10 years	—	-61.69%	—
Current Drawdown Current decline from peak	-99.12%	-17.77%	-81.35%
Average Drawdown Average peak-to-trough decline	-78.48%	-44.45%	-34.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	36.58%	7.87%	+28.71%

Volatility

STEM vs. XME - Volatility Comparison

Stem, Inc. (STEM) has a higher volatility of 30.31% compared to SPDR S&P Metals & Mining ETF (XME) at 11.55%. This indicates that STEM's price experiences larger fluctuations and is considered to be riskier than XME based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	STEM	XME	Difference
Volatility (1M) Calculated over the trailing 1-month period	30.31%	11.55%	+18.76%
Volatility (6M) Calculated over the trailing 6-month period	78.86%	28.02%	+50.84%
Volatility (1Y) Calculated over the trailing 1-year period	127.80%	35.81%	+91.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	114.40%	32.46%	+81.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	118.33%	32.98%	+85.35%