OUST vs. SEI

Last updated Jun 13, 2026

OUST (Ouster, Inc.) and SEI (Solaris Energy Infrastructure, Inc) are both stocks. OUST operates in Electronic Components (Technology), while SEI operates in Oil & Gas Equipment & Services (Energy). Over the past 5 years, OUST returned -20.70%/yr vs 53.72%/yr for SEI. At a 0.27 correlation, their price movements are largely independent.

Performance

OUST vs. SEI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Ouster, Inc. (OUST) and Solaris Energy Infrastructure, Inc (SEI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OUST achieves a 83.92% return, which is significantly higher than SEI's 61.67% return.

OUST

• 1D: 0.48%
• 1M: 14.17%
• YTD: 83.92%
• 6M: 64.06%
• 1Y: 120.25%
• 3Y*: 84.76%
• 5Y*: -20.70%
• 10Y*: —

SEI

• 1D: -2.67%
• 1M: -5.65%
• YTD: 61.67%
• 6M: 61.32%
• 1Y: 175.46%
• 3Y*: 112.03%
• 5Y*: 53.72%
• 10Y*: —

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

OUST vs. SEI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
OUST Ouster, Inc.	83.92%	77.09%	59.32%	-11.12%	-83.40%	-61.48%	39.18%
SEI Solaris Energy Infrastructure, Inc	61.67%	62.29%	277.66%	-15.75%	57.46%	-15.55%	24.53%

Correlation

The correlation between OUST and SEI is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.38
Correlation (3Y) Calculated over the trailing 3-year period	0.34
Correlation (5Y) Calculated over the trailing 5-year period	0.28
Correlation (All Time) Calculated using the full available price history since Oct 9, 2020	0.27

The correlation between OUST and SEI shifts across timeframes, from 0.27 (all time) to 0.38 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap OUST : $2.46B SEI : $3.66B
EPS OUST : -$0.94 SEI : $1.03
PS Ratio OUST : 12.82 SEI : 4.83
PB Ratio OUST : 8.93 SEI : 4.69
Total Revenue (TTM) OUST : $185.33M SEI : $692.11M
Gross Profit (TTM) OUST : $90.79M SEI : $235.28M
EBITDA (TTM) OUST : -$50.85M SEI : $249.65M

Return for Risk

OUST vs. SEI — Risk / Return Rank

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

OUST

OUST Risk / Return Rank: 74
OUST Sharpe Ratio Rank: 75
OUST Sortino Ratio Rank: 75
OUST Omega Ratio Rank: 71
OUST Calmar Ratio Rank: 75
OUST Martin Ratio Rank: 71

SEI

SEI Risk / Return Rank: 91
SEI Sharpe Ratio Rank: 92
SEI Sortino Ratio Rank: 87
SEI Omega Ratio Rank: 85
SEI Calmar Ratio Rank: 95
SEI Martin Ratio Rank: 94

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.

OUST vs. SEI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ouster, Inc. (OUST) and Solaris Energy Infrastructure, Inc (SEI). 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.

	OUST	SEI	Difference
Sharpe ratio: Return per unit of total volatility	1.08	2.31	-1.23
Sortino ratio: Return per unit of downside risk	1.90	2.74	-0.84
Omega ratio: Gain probability vs. loss probability	1.22	1.33	-0.11
Calmar ratio: Return relative to maximum drawdown	1.90	6.39	-4.49
Martin ratio: Return relative to average drawdown	3.52	16.09	-12.57

OUST vs. SEI - Sharpe Ratio Comparison

The current OUST Sharpe Ratio is 1.08, which is lower than the SEI Sharpe Ratio of 2.31. The chart below compares the historical Sharpe Ratios of OUST and SEI, 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

OUST vs. SEI - Drawdown Comparison

The maximum OUST drawdown since its inception was -98.01%, which is greater than SEI's maximum drawdown of -79.49%. Use the drawdown chart below to compare losses from any high point for OUST and SEI.

Drawdown Indicators

	OUST	SEI	Difference
Max Drawdown Largest peak-to-trough decline	-98.01%	-79.49%	-18.52%
Max Drawdown (1Y) Largest decline over 1 year	-55.15%	-26.43%	-28.72%
Max Drawdown (3Y) Largest decline over 3 years	-64.00%	-55.37%	-8.63%
Max Drawdown (5Y) Largest decline over 5 years	-97.57%	-55.37%	-42.20%
Current Drawdown Current decline from peak	-75.51%	-5.65%	-69.86%
Average Drawdown Average peak-to-trough decline	-78.02%	-38.61%	-39.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	29.75%	10.48%	+19.27%

Volatility

OUST vs. SEI - Volatility Comparison

Ouster, Inc. (OUST) has a higher volatility of 34.04% compared to Solaris Energy Infrastructure, Inc (SEI) at 21.30%. This indicates that OUST's price experiences larger fluctuations and is considered to be riskier than SEI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OUST	SEI	Difference
Volatility (1M) Calculated over the trailing 1-month period	34.04%	21.30%	+12.74%
Volatility (6M) Calculated over the trailing 6-month period	67.93%	53.09%	+14.84%
Volatility (1Y) Calculated over the trailing 1-year period	97.37%	73.22%	+24.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	96.45%	66.77%	+29.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	95.50%	62.28%	+33.22%

Dividends

OUST vs. SEI - Dividend Comparison

OUST has not paid dividends to shareholders, while SEI's dividend yield for the trailing twelve months is around 0.65%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
OUST Ouster, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SEI Solaris Energy Infrastructure, Inc	0.65%	1.04%	1.67%	5.65%	4.23%	6.41%	5.16%	2.89%	0.83%

Financials

OUST vs. SEI - Profitability Comparison

The chart below illustrates the profitability comparison between Ouster, Inc. and Solaris Energy Infrastructure, Inc over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

OUST - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Ouster, Inc. reported a gross profit of 20.84M and revenue of 48.58M. Therefore, the gross margin over that period was 42.9%.

SEI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Solaris Energy Infrastructure, Inc reported a gross profit of 72.72M and revenue of 196.24M. Therefore, the gross margin over that period was 37.1%.

OUST - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Ouster, Inc. reported an operating income of -19.21M and revenue of 48.58M, resulting in an operating margin of -39.6%.

SEI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Solaris Energy Infrastructure, Inc reported an operating income of 50.56M and revenue of 196.24M, resulting in an operating margin of 25.8%.

OUST - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Ouster, Inc. reported a net income of -17.47M and revenue of 48.58M, resulting in a net margin of -36.0%.

SEI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Solaris Energy Infrastructure, Inc reported a net income of 21.44M and revenue of 196.24M, resulting in a net margin of 10.9%.

Frequently Asked Questions

Can I hold both OUST and SEI in my portfolio?

OUST and SEI have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OUST or SEI?

OUST has higher volatility (34.04%) compared to SEI (21.30%). In terms of maximum drawdown, OUST dropped -98.01% vs SEI's -79.49%.

Which has better risk-adjusted returns?

SEI currently has the higher Sharpe Ratio (2.31 vs 1.08), 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.