OII vs. OIS
OII (Oceaneering International, Inc.) and OIS (Oil States International, Inc.) are both stocks. Both operate in the Oil & Gas Equipment & Services industry within the Energy sector. Over the past 10 years, OII returned 2.15%/yr vs -13.06%/yr for OIS. A 0.66 correlation means they provide meaningful diversification when combined.
Performance
OII vs. OIS - Performance Comparison
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Returns By Period
In the year-to-date period, OII achieves a 50.98% return, which is significantly higher than OIS's 16.69% return. Over the past 10 years, OII has outperformed OIS with an annualized return of 2.15%, while OIS has yielded a comparatively lower -13.06% annualized return.
OII
- 1D
- 0.25%
- 1M
- -6.42%
- YTD
- 50.98%
- 6M
- 48.32%
- 1Y
- 75.27%
- 3Y*
- 28.42%
- 5Y*
- 15.50%
- 10Y*
- 2.15%
OIS
- 1D
- 0.00%
- 1M
- -10.73%
- YTD
- 16.69%
- 6M
- 14.49%
- 1Y
- 50.48%
- 3Y*
- 4.41%
- 5Y*
- -1.68%
- 10Y*
- -13.06%
OII vs. OIS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OII Oceaneering International, Inc. | 50.98% | -7.86% | 22.56% | 21.67% | 54.64% | 42.26% | -46.68% | 23.22% | -42.76% | -23.73% |
OIS Oil States International, Inc. | 16.69% | 33.79% | -25.48% | -8.98% | 50.10% | -1.00% | -69.22% | 14.22% | -49.54% | -27.44% |
Correlation
The correlation between OII and OIS is 0.59, 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 | 0.59 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.67 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.74 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.73 |
Correlation (All Time) Calculated using the full available price history since Feb 9, 2001 | 0.66 |
The correlation between OII and OIS shifts across timeframes, from 0.59 (1 year) to 0.74 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
OII:
$3.65B
OIS:
$461.67M
OII:
$3.36
OIS:
-$1.82
OII:
1.31
OIS:
0.90
OII:
3.28
OIS:
0.81
OII:
$2.80B
OIS:
$509.05M
OII:
$560.70M
OIS:
-$47.25M
OII:
$380.02M
OIS:
$41.12M
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Return for Risk
OII vs. OIS — Risk / Return Rank
OII
OIS
OII vs. OIS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Oceaneering International, Inc. (OII) and Oil States International, Inc. (OIS). 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.
| OII | OIS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.88 | ||
| Sortino ratioReturn per unit of downside risk | +0.89 | ||
| Omega ratioGain probability vs. loss probability | 1.29 | 1.21 | +0.08 |
| Calmar ratioReturn relative to maximum drawdown | 4.96 | 1.12 | +3.83 |
| Martin ratioReturn relative to average drawdown | 11.85 | 2.85 | +9.00 |
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Drawdowns
OII vs. OIS - Drawdown Comparison
The maximum OII drawdown since its inception was -97.37%, roughly equal to the maximum OIS drawdown of -97.45%. Use the drawdown chart below to compare losses from any high point for OII and OIS.
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Drawdown Indicators
| OII | OIS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -97.37% | -97.45% | +0.08% |
Max Drawdown (1Y)Largest decline over 1 year | -15.27% | -45.10% | +29.83% |
Max Drawdown (3Y)Largest decline over 3 years | -47.84% | -63.73% | +15.89% |
Max Drawdown (5Y)Largest decline over 5 years | -57.97% | -68.72% | +10.75% |
Max Drawdown (10Y)Largest decline over 10 years | -93.29% | -95.95% | +2.66% |
Current DrawdownCurrent decline from peak | -54.09% | -87.91% | +33.82% |
Average DrawdownAverage peak-to-trough decline | -38.54% | -45.44% | +6.90% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.37% | 17.77% | -11.40% |
Volatility
OII vs. OIS - Volatility Comparison
Oceaneering International, Inc. (OII) has a higher volatility of 13.14% compared to Oil States International, Inc. (OIS) at 11.02%. This indicates that OII's price experiences larger fluctuations and is considered to be riskier than OIS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OII | OIS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 13.14% | 11.02% | +2.12% |
Volatility (6M)Calculated over the trailing 6-month period | 33.21% | 42.47% | -9.26% |
Volatility (1Y)Calculated over the trailing 1-year period | 42.58% | 56.26% | -13.68% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 51.27% | 59.98% | -8.71% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 62.86% | 64.13% | -1.27% |
Dividends
OII vs. OIS - Dividend Comparison
Neither OII nor OIS has paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
OIS Oil States International, 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% |
Financials
OII vs. OIS - Financials Comparison
This section allows you to compare key financial metrics between Oceaneering International, Inc. and Oil States International, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
Frequently Asked Questions
OII and OIS have a correlation of 0.59, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
OII has higher volatility (13.14%) compared to OIS (11.02%). In terms of maximum drawdown, OII dropped -97.37% vs OIS's -97.45%.
OII currently has the higher Sharpe Ratio (1.78 vs 0.91), 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.
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