OII vs. EXC

Last updated Jun 4, 2026

OII (Oceaneering International, Inc.) and EXC (Exelon Corporation) are both stocks. OII operates in Oil & Gas Equipment & Services (Energy), while EXC operates in Utilities - Diversified (Utilities). Over the past 10 years, OII returned 2.03%/yr vs 9.90%/yr for EXC. At a 0.15 correlation, their price movements are largely independent.

Performance

OII vs. EXC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Oceaneering International, Inc. (OII) and Exelon Corporation (EXC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OII achieves a 58.09% return, which is significantly higher than EXC's 4.30% return. Over the past 10 years, OII has underperformed EXC with an annualized return of 2.03%, while EXC has yielded a comparatively higher 9.90% annualized return.

OII

• 1D: -1.76%
• 1M: 1.71%
• YTD: 58.09%
• 6M: 44.78%
• 1Y: 87.42%
• 3Y*: 29.95%
• 5Y*: 16.52%
• 10Y*: 2.03%

EXC

• 1D: 0.18%
• 1M: -3.28%
• YTD: 4.30%
• 6M: 2.08%
• 1Y: 6.47%
• 3Y*: 8.34%
• 5Y*: 10.59%
• 10Y*: 9.90%

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

OII vs. EXC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OII Oceaneering International, Inc.	58.09%	-7.86%	22.56%	21.67%	54.64%	42.26%	-46.68%	23.22%	-42.76%	-23.73%
EXC Exelon Corporation	4.30%	20.02%	10.29%	-13.96%	8.29%	41.48%	-3.87%	4.27%	18.33%	15.08%

Correlation

The correlation between OII and EXC is -0.05, 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	-0.05
Correlation (3Y) Calculated over the trailing 3-year period	0.03
Correlation (5Y) Calculated over the trailing 5-year period	0.09
Correlation (10Y) Calculated over the trailing 10-year period	0.10
Correlation (All Time) Calculated using the full available price history since Mar 27, 1990	0.15

The correlation between OII and EXC shifts across timeframes, from -0.05 (1 year) to 0.15 (all time), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap OII : $3.82B EXC : $46.25B
EPS OII : $3.36 EXC : $2.74
PE Ratio OII : 11.30 EXC : 16.44
PEG Ratio OII : 0.12 EXC : 1.33
PS Ratio OII : 1.37 EXC : 1.84
PB Ratio OII : 3.43 EXC : 1.58
Total Revenue (TTM) OII : $2.80B EXC : $24.79B
Gross Profit (TTM) OII : $560.70M EXC : $7.32B
EBITDA (TTM) OII : $380.02M EXC : $7.82B

Return for Risk

OII vs. EXC — Risk / Return Rank

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

OII

OII Risk / Return Rank: 88
OII Sharpe Ratio Rank: 89
OII Sortino Ratio Rank: 86
OII Omega Ratio Rank: 83
OII Calmar Ratio Rank: 93
OII Martin Ratio Rank: 92

EXC

EXC Risk / Return Rank: 49
EXC Sharpe Ratio Rank: 53
EXC Sortino Ratio Rank: 45
EXC Omega Ratio Rank: 43
EXC Calmar Ratio Rank: 51
EXC Martin Ratio Rank: 53

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.

OII vs. EXC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Oceaneering International, Inc. (OII) and Exelon Corporation (EXC). 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.

	OII	EXC	Difference
Sharpe ratio Return per unit of total volatility	2.14	0.36	+1.78
Sortino ratio Return per unit of downside risk	2.81	0.65	+2.16
Omega ratio Gain probability vs. loss probability	1.33	1.07	+0.26
Calmar ratio Return relative to maximum drawdown	5.76	0.47	+5.28
Martin ratio Return relative to average drawdown	13.95	1.18	+12.76
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OII vs. EXC - Sharpe Ratio Comparison

The current OII Sharpe Ratio is 2.14, which is higher than the EXC Sharpe Ratio of 0.36. The chart below compares the historical Sharpe Ratios of OII and EXC, 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

	OII	EXC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.14	0.36	+1.78
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.32	0.52	-0.19
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.03	0.42	-0.38
Sharpe Ratio (All Time) Calculated using the full available price history	0.14	0.37	-0.23

Drawdowns

OII vs. EXC - Drawdown Comparison

The maximum OII drawdown since its inception was -97.37%, which is greater than EXC's maximum drawdown of -62.27%. Use the drawdown chart below to compare losses from any high point for OII and EXC.

Drawdown Indicators

	OII	EXC	Difference
Max Drawdown Largest peak-to-trough decline	-97.37%	-62.27%	-35.10%
Max Drawdown (1Y) Largest decline over 1 year	-15.27%	-13.74%	-1.53%
Max Drawdown (3Y) Largest decline over 3 years	-47.84%	-20.74%	-27.10%
Max Drawdown (5Y) Largest decline over 5 years	-58.73%	-29.06%	-29.67%
Max Drawdown (10Y) Largest decline over 10 years	-93.87%	-40.04%	-53.83%
Current Drawdown Current decline from peak	-51.93%	-10.36%	-41.57%
Average Drawdown Average peak-to-trough decline	-38.52%	-20.05%	-18.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.29%	5.48%	+0.81%

Volatility

OII vs. EXC - Volatility Comparison

Oceaneering International, Inc. (OII) has a higher volatility of 7.68% compared to Exelon Corporation (EXC) at 6.27%. This indicates that OII's price experiences larger fluctuations and is considered to be riskier than EXC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OII	EXC	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.68%	6.27%	+1.41%
Volatility (6M) Calculated over the trailing 6-month period	32.84%	14.18%	+18.66%
Volatility (1Y) Calculated over the trailing 1-year period	41.42%	18.13%	+23.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	51.23%	20.63%	+30.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	62.82%	23.93%	+38.89%

Dividends

OII vs. EXC - Dividend Comparison

OII has not paid dividends to shareholders, while EXC's dividend yield for the trailing twelve months is around 2.71%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EXC Exelon Corporation	2.71%	3.67%	5.05%	4.01%	3.12%	2.65%	3.62%	3.18%	3.06%	3.32%	3.56%	4.47%
OII Oceaneering International, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	2.13%	3.40%	2.88%

Financials

OII vs. EXC - Profitability Comparison

The chart below illustrates the profitability comparison between Oceaneering International, Inc. and Exelon Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

OII - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Oceaneering International, Inc. reported a gross profit of 127.27M and revenue of 692.43M. Therefore, the gross margin over that period was 18.4%.

EXC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Exelon Corporation reported a gross profit of 3.39B and revenue of 7.24B. Therefore, the gross margin over that period was 46.9%.

OII - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Oceaneering International, Inc. reported an operating income of 57.79M and revenue of 692.43M, resulting in an operating margin of 8.4%.

EXC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Exelon Corporation reported an operating income of 1.61B and revenue of 7.24B, resulting in an operating margin of 22.2%.

OII - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Oceaneering International, Inc. reported a net income of 36.11M and revenue of 692.43M, resulting in a net margin of 5.2%.

EXC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Exelon Corporation reported a net income of 919.00M and revenue of 7.24B, resulting in a net margin of 12.7%.

Frequently Asked Questions

Can I hold both OII and EXC in my portfolio?

OII and EXC have a correlation of -0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OII or EXC?

OII has higher volatility (7.68%) compared to EXC (6.27%). In terms of maximum drawdown, OII dropped -97.37% vs EXC's -62.27%.

Which has better risk-adjusted returns?

OII currently has the higher Sharpe Ratio (2.14 vs 0.36), 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.