TDW vs. HEI-A
TDW (Tidewater Inc.) and HEI-A (HEICO Corporation) are both stocks. TDW operates in Oil & Gas Equipment & Services (Energy), while HEI-A operates in Aerospace & Defense (Industrials). Over the past 10 years, TDW returned -7.55%/yr vs 24.25%/yr for HEI-A. At a 0.19 correlation, their price movements are largely independent.
Performance
TDW vs. HEI-A - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, TDW achieves a 47.18% return, which is significantly higher than HEI-A's -5.08% return. Over the past 10 years, TDW has underperformed HEI-A with an annualized return of -7.55%, while HEI-A has yielded a comparatively higher 24.25% annualized return.
TDW
- 1D
- 2.57%
- 1M
- -8.40%
- YTD
- 47.18%
- 6M
- 30.31%
- 1Y
- 71.17%
- 3Y*
- 15.94%
- 5Y*
- 38.88%
- 10Y*
- -7.55%
HEI-A
- 1D
- -1.64%
- 1M
- 8.06%
- YTD
- -5.08%
- 6M
- -2.45%
- 1Y
- 1.05%
- 3Y*
- 22.51%
- 5Y*
- 12.44%
- 10Y*
- 24.25%
TDW vs. HEI-A - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TDW Tidewater Inc. | 47.18% | -7.68% | -24.13% | 95.69% | 244.07% | 23.96% | -55.14% | 0.78% | -21.60% | -77.81% |
HEI-A HEICO Corporation | -5.08% | 35.80% | 30.81% | 19.03% | -6.60% | 9.94% | 30.98% | 42.21% | 24.78% | 45.72% |
Correlation
The correlation between TDW and HEI-A is 0.07, 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 | 0.07 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.12 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.18 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.19 |
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016 | 0.19 |
The correlation between TDW and HEI-A shifts across timeframes, from 0.07 (1 year) to 0.19 (10 years), reflecting how their relationship changes across market environments.
Fundamentals
TDW:
$3.69B
HEI-A:
$33.78B
TDW:
$6.00
HEI-A:
$5.60
TDW:
12.38
HEI-A:
42.77
TDW:
0.52
HEI-A:
1.93
TDW:
2.74
HEI-A:
6.88
TDW:
2.69
HEI-A:
6.27
TDW:
$1.35B
HEI-A:
$4.91B
TDW:
$314.74M
HEI-A:
$943.00M
TDW:
$489.31M
HEI-A:
$1.12B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
TDW vs. HEI-A — Risk / Return Rank
TDW
HEI-A
TDW vs. HEI-A - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Tidewater Inc. (TDW) and HEICO Corporation (HEI-A). 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.
| TDW | HEI-A | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.28 | ||
| Sortino ratioReturn per unit of downside risk | +1.92 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 1.04 | +0.23 |
| Calmar ratioReturn relative to maximum drawdown | 2.84 | 0.04 | +2.80 |
| Martin ratioReturn relative to average drawdown | 6.23 | 0.09 | +6.14 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| TDW | HEI-A | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.31 | 0.03 | +1.28 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.73 | 0.45 | +0.28 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.11 | 0.80 | -0.91 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.01 | 0.82 | -0.83 |
Drawdowns
TDW vs. HEI-A - Drawdown Comparison
The maximum TDW drawdown since its inception was -99.80%, which is greater than HEI-A's maximum drawdown of -49.70%. Use the drawdown chart below to compare losses from any high point for TDW and HEI-A.
Loading charts...
Drawdown Indicators
| TDW | HEI-A | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.80% | -49.70% | -50.10% |
Max Drawdown (1Y)Largest decline over 1 year | -25.16% | -27.11% | +1.95% |
Max Drawdown (3Y)Largest decline over 3 years | -70.35% | -27.11% | -43.24% |
Max Drawdown (5Y)Largest decline over 5 years | -70.35% | -27.11% | -43.24% |
Max Drawdown (10Y)Largest decline over 10 years | -97.49% | -49.70% | -47.79% |
Current DrawdownCurrent decline from peak | -96.40% | -13.27% | -83.13% |
Average DrawdownAverage peak-to-trough decline | -48.97% | -7.66% | -41.31% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.46% | 11.65% | -0.19% |
Volatility
TDW vs. HEI-A - Volatility Comparison
The current volatility for Tidewater Inc. (TDW) is 10.15%, while HEICO Corporation (HEI-A) has a volatility of 14.19%. This indicates that TDW experiences smaller price fluctuations and is considered to be less risky than HEI-A based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| TDW | HEI-A | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.15% | 14.19% | -4.04% |
Volatility (6M)Calculated over the trailing 6-month period | 31.12% | 24.31% | +6.81% |
Volatility (1Y)Calculated over the trailing 1-year period | 54.53% | 30.97% | +23.56% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 53.43% | 27.59% | +25.84% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 66.56% | 30.56% | +36.00% |
Dividends
TDW vs. HEI-A - Dividend Comparison
TDW has not paid dividends to shareholders, while HEI-A's dividend yield for the trailing twelve months is around 0.10%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
HEI-A HEICO Corporation | 0.10% | 0.09% | 0.11% | 0.14% | 0.15% | 0.13% | 0.14% | 0.08% | 0.18% | 0.10% | 0.25% | 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
TDW vs. HEI-A - Financials Comparison
This section allows you to compare key financial metrics between Tidewater Inc. and HEICO Corporation. 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
TDW vs. HEI-A - Profitability Comparison
TDW - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 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%.
HEI-A - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, HEICO Corporation reported a gross profit of -454.96M and revenue of 1.38B. Therefore, the gross margin over that period was -33.1%.
TDW - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Tidewater Inc. reported an operating income of 58.98M and revenue of 326.22M, resulting in an operating margin of 18.1%.
HEI-A - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, HEICO Corporation reported an operating income of 350.44M and revenue of 1.38B, resulting in an operating margin of 25.5%.
TDW - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Tidewater Inc. reported a net income of 6.14M and revenue of 326.22M, resulting in a net margin of 1.9%.
HEI-A - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, HEICO Corporation reported a net income of 233.80M and revenue of 1.38B, resulting in a net margin of 17.0%.
Frequently Asked Questions
TDW and HEI-A have a correlation of 0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
HEI-A has higher volatility (14.19%) compared to TDW (10.15%). In terms of maximum drawdown, TDW dropped -99.80% vs HEI-A's -49.70%.
TDW currently has the higher Sharpe Ratio (1.31 vs 0.03), 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.
Find the right allocation for TDW and HEI-A
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer