SBLK vs. TDW
SBLK (Star Bulk Carriers Corp.) and TDW (Tidewater Inc.) are both stocks. SBLK operates in Marine Shipping (Industrials), while TDW operates in Oil & Gas Equipment & Services (Energy). Over the past 10 years, SBLK returned 29.20%/yr vs -4.85%/yr for TDW. Their 0.30 correlation means their historical movements had little consistent relationship.
Performance
SBLK vs. TDW - Performance Comparison
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Returns By Period
In the year-to-date period, SBLK achieves a 54.81% return, which is significantly higher than TDW's 48.60% return. Over the past 10 years, SBLK has outperformed TDW with an annualized return of 29.20%, while TDW has yielded a comparatively lower -4.85% annualized return.
SBLK
- 1D
- -1.37%
- 1M
- 15.88%
- 6M
- 29.65%
- YTD
- 54.81%
- 1Y
- 64.26%
- 3Y*
- 25.32%
- 5Y*
- 21.92%
- 10Y*
- 29.20%
- ALL TIME*
- -9.41%
TDW
- 1D
- 2.15%
- 1M
- 11.98%
- 6M
- 20.12%
- YTD
- 48.60%
- 1Y
- 50.09%
- 3Y*
- 6.38%
- 5Y*
- 45.99%
- 10Y*
- -4.85%
- ALL TIME*
- -0.63%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $36.73M | $32.98M | $35.30M | |
| $41.43M | $47.11M | $55.89M |
SBLK vs. TDW - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SBLK Star Bulk Carriers Corp. | 54.81% | 30.76% | -21.04% | 19.24% | 8.50% | 185.15% | -24.77% | 29.82% | -18.83% | 120.35% |
TDW Tidewater Inc. | 48.60% | -7.68% | -24.13% | 95.69% | 244.07% | 23.96% | -55.14% | 0.78% | -21.60% | -77.81% |
Correlation
The correlation between SBLK and TDW is 0.33, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.33 |
Correlation (3Y) Balances recent behavior with more history. | 0.32 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.31 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.29 |
Correlation (All Time) Calculated using the full available price history since Feb 27, 2006 | 0.30 |
Fundamentals
SBLK:
$3.21B
TDW:
$3.73B
SBLK:
$1.25
TDW:
$6.02
SBLK:
22.91
TDW:
12.47
SBLK:
2.98
TDW:
2.76
SBLK:
1.32
TDW:
2.72
SBLK:
$1.09B
TDW:
$1.35B
SBLK:
$377.07M
TDW:
$314.74M
SBLK:
$377.39M
TDW:
$489.31M
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Return for Risk
SBLK vs. TDW — Risk / Return Rank
SBLK
TDW
SBLK vs. TDW - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Star Bulk Carriers Corp. (SBLK) and Tidewater Inc. (TDW). 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.
| SBLK | TDW | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.11 | ||
| Sortino ratioReturn per unit of downside risk | +0.91 | ||
| Omega ratioGain probability vs. loss probability | 1.32 | 1.21 | +0.12 |
| Calmar ratioReturn relative to maximum drawdown | 3.69 | 1.73 | +1.96 |
| Martin ratioReturn relative to average drawdown | 9.75 | 3.60 | +6.15 |
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Drawdowns
SBLK vs. TDW - Drawdown Comparison
The maximum SBLK drawdown since its inception was -99.76%, roughly equal to the maximum TDW drawdown of -99.80%. Use the drawdown chart below to compare losses from any high point for SBLK and TDW.
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Drawdown Indicators
| SBLK | TDW | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.76% | -99.80% | +0.04% |
Max Drawdown (1Y)Largest decline over 1 year | -17.49% | -29.10% | +11.61% |
Max Drawdown (3Y)Largest decline over 3 years | -48.44% | -70.35% | +21.91% |
Max Drawdown (5Y)Largest decline over 5 years | -48.44% | -70.35% | +21.91% |
Max Drawdown (10Y)Largest decline over 10 years | -73.77% | -97.27% | +23.50% |
Current DrawdownCurrent decline from peak | -93.01% | -96.37% | +3.36% |
Average DrawdownAverage peak-to-trough decline | -82.76% | -49.15% | -33.61% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.61% | 13.96% | -7.35% |
Volatility
SBLK vs. TDW - Volatility Comparison
Star Bulk Carriers Corp. (SBLK) has a higher volatility of 12.52% compared to Tidewater Inc. (TDW) at 11.22%. This indicates that SBLK's price experiences larger fluctuations and is considered to be riskier than TDW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SBLK | TDW | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 12.52% | 11.22% | +1.30% |
Volatility (6M)Calculated over the trailing 6-month period | 24.80% | 30.87% | -6.07% |
Volatility (1Y)Calculated over the trailing 1-year period | 31.63% | 54.11% | -22.48% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 42.59% | 53.29% | -10.70% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 51.77% | 66.15% | -14.38% |
Dividends
SBLK vs. TDW - Dividend Comparison
SBLK's dividend yield for the trailing twelve months is around 3.58%, while TDW has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SBLK Star Bulk Carriers Corp. | 3.58% | 1.56% | 16.72% | 7.38% | 33.80% | 9.93% | 0.57% | 0.42% | 0.00% | 0.00% | 0.00% | 0.00% |
TDW Tidewater Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.12% | 0.00% | 0.00% | 0.04% | 0.00% | 14.37% |
Financials
SBLK vs. TDW - Financials Comparison
This section allows you to compare key financial metrics between Star Bulk Carriers Corp. and Tidewater 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
SBLK vs. TDW - Profitability Comparison
SBLK - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Star Bulk Carriers Corp. reported a gross profit of 92.95M and revenue of 281.15M. Therefore, the gross margin over that period was 33.1%.
TDW - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Tidewater Inc. reported a gross profit of 0.00 and revenue of 326.22M. Therefore, the gross margin over that period was 0.0%.
SBLK - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Star Bulk Carriers Corp. reported an operating income of 73.02M and revenue of 281.15M, resulting in an operating margin of 26.0%.
TDW - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Tidewater Inc. reported an operating income of 58.98M and revenue of 326.22M, resulting in an operating margin of 18.1%.
SBLK - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Star Bulk Carriers Corp. reported a net income of 58.53M and revenue of 281.15M, resulting in a net margin of 20.8%.
TDW - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Tidewater Inc. reported a net income of 6.14M and revenue of 326.22M, resulting in a net margin of 1.9%.
Frequently Asked Questions
SBLK and TDW have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SBLK has higher volatility (12.52%) compared to TDW (11.22%). In terms of maximum drawdown, SBLK dropped -99.76% vs TDW's -99.80%.
SBLK currently has the higher Sharpe Ratio (2.04 vs 0.93), 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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