POWL vs. SPMO

Last updated Jun 9, 2026

POWL (Powell Industries, Inc.) is a stock, while SPMO (Invesco S&P 500 Momentum ETF) is Momentum fund tracking the S&P 500 Momentum Index. Over the past 10 years, POWL returned 40.62%/yr vs 20.38%/yr for SPMO. At a 0.36 correlation, their price movements are largely independent.

Performance

POWL vs. SPMO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Powell Industries, Inc. (POWL) and Invesco S&P 500 Momentum ETF (SPMO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, POWL achieves a 176.53% return, which is significantly higher than SPMO's 24.29% return. Over the past 10 years, POWL has outperformed SPMO with an annualized return of 40.62%, while SPMO has yielded a comparatively lower 20.38% annualized return.

POWL

• 1D: 3.06%
• 1M: -5.07%
• YTD: 176.53%
• 6M: 157.11%
• 1Y: 362.43%
• 3Y*: 142.81%
• 5Y*: 94.52%
• 10Y*: 40.62%

SPMO

• 1D: 2.50%
• 1M: 2.83%
• YTD: 24.29%
• 6M: 22.86%
• 1Y: 39.53%
• 3Y*: 40.28%
• 5Y*: 23.06%
• 10Y*: 20.38%

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

POWL vs. SPMO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
POWL Powell Industries, Inc.	176.53%	44.49%	152.21%	155.62%	24.34%	3.60%	-37.60%	101.58%	-9.92%	-24.00%
SPMO Invesco S&P 500 Momentum ETF	24.29%	26.58%	45.82%	17.56%	-10.45%	22.64%	28.25%	25.93%	-0.92%	27.76%

Correlation

The correlation between POWL and SPMO is 0.53, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.53
Correlation (3Y) Calculated over the trailing 3-year period	0.49
Correlation (5Y) Calculated over the trailing 5-year period	0.43
Correlation (10Y) Calculated over the trailing 10-year period	0.38
Correlation (All Time) Calculated using the full available price history since Oct 12, 2015	0.36

The correlation between POWL and SPMO shifts across timeframes, from 0.36 (all time) to 0.53 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

POWL vs. SPMO — Risk / Return Rank

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

POWL

POWL Risk / Return Rank: 98
POWL Sharpe Ratio Rank: 99
POWL Sortino Ratio Rank: 98
POWL Omega Ratio Rank: 96
POWL Calmar Ratio Rank: 98
POWL Martin Ratio Rank: 99

SPMO

SPMO Risk / Return Rank: 71
SPMO Sharpe Ratio Rank: 73
SPMO Sortino Ratio Rank: 68
SPMO Omega Ratio Rank: 73
SPMO Calmar Ratio Rank: 69
SPMO Martin Ratio Rank: 71

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.

POWL vs. SPMO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Powell Industries, Inc. (POWL) and Invesco S&P 500 Momentum ETF (SPMO). 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.

	POWL	SPMO	Difference
Sharpe ratio: Return per unit of total volatility	6.24	2.13	+4.12
Sortino ratio: Return per unit of downside risk	4.98	2.81	+2.17
Omega ratio: Gain probability vs. loss probability	1.62	1.39	+0.23
Calmar ratio: Return relative to maximum drawdown	11.83	3.13	+8.70
Martin ratio: Return relative to average drawdown	37.87	12.02	+25.85
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

POWL vs. SPMO - Sharpe Ratio Comparison

The current POWL Sharpe Ratio is 6.24, which is higher than the SPMO Sharpe Ratio of 2.13. The chart below compares the historical Sharpe Ratios of POWL and SPMO, 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

	POWL	SPMO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	6.24	2.13	+4.12
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.48	1.19	+0.30
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.75	1.00	-0.26
Sharpe Ratio (All Time) Calculated using the full available price history	0.29	0.98	-0.69

Drawdowns

POWL vs. SPMO - Drawdown Comparison

The maximum POWL drawdown since its inception was -73.10%, which is greater than SPMO's maximum drawdown of -30.95%. Use the drawdown chart below to compare losses from any high point for POWL and SPMO.

Drawdown Indicators

	POWL	SPMO	Difference
Max Drawdown Largest peak-to-trough decline	-73.10%	-30.95%	-42.15%
Max Drawdown (1Y) Largest decline over 1 year	-30.88%	-12.70%	-18.18%
Max Drawdown (3Y) Largest decline over 3 years	-55.76%	-20.13%	-35.63%
Max Drawdown (5Y) Largest decline over 5 years	-55.76%	-22.74%	-33.02%
Max Drawdown (10Y) Largest decline over 10 years	-68.85%	-30.95%	-37.90%
Current Drawdown Current decline from peak	-8.80%	-4.65%	-4.15%
Average Drawdown Average peak-to-trough decline	-36.11%	-4.60%	-31.51%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.63%	3.30%	+6.33%

Volatility

POWL vs. SPMO - Volatility Comparison

Powell Industries, Inc. (POWL) has a higher volatility of 15.85% compared to Invesco S&P 500 Momentum ETF (SPMO) at 9.44%. This indicates that POWL's price experiences larger fluctuations and is considered to be riskier than SPMO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	POWL	SPMO	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.85%	9.44%	+6.41%
Volatility (6M) Calculated over the trailing 6-month period	42.91%	15.82%	+27.09%
Volatility (1Y) Calculated over the trailing 1-year period	58.63%	18.72%	+39.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	64.11%	19.50%	+44.61%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	54.69%	20.41%	+34.28%

Dividends

POWL vs. SPMO - Dividend Comparison

POWL's dividend yield for the trailing twelve months is around 0.12%, less than SPMO's 0.69% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
POWL Powell Industries, Inc.	0.12%	0.34%	0.48%	1.19%	2.96%	3.53%	3.53%	2.12%	4.16%	3.63%	2.67%	4.00%
SPMO Invesco S&P 500 Momentum ETF	0.69%	0.73%	0.48%	1.63%	1.66%	0.52%	1.27%	1.39%	1.05%	0.77%	1.94%	0.36%

Frequently Asked Questions

Can I hold both POWL and SPMO in my portfolio?

POWL and SPMO have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, POWL or SPMO?

POWL has higher volatility (15.85%) compared to SPMO (9.44%). In terms of maximum drawdown, POWL dropped -73.10% vs SPMO's -30.95%.

Which has better risk-adjusted returns?

POWL currently has the higher Sharpe Ratio (6.24 vs 2.13), 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.