TTEK vs. LDOS
TTEK (Tetra Tech, Inc.) and LDOS (Leidos Holdings, Inc.) are both stocks. TTEK operates in Engineering & Construction (Industrials), while LDOS operates in Information Technology Services (Technology). Over the past 10 years, TTEK returned 18.36%/yr vs 14.30%/yr for LDOS. Their 0.42 correlation means their historical movements had little consistent relationship.
Performance
TTEK vs. LDOS - Performance Comparison
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Returns By Period
In the year-to-date period, TTEK achieves a -0.71% return, which is significantly higher than LDOS's -35.53% return. Over the past 10 years, TTEK has outperformed LDOS with an annualized return of 18.36%, while LDOS has yielded a comparatively lower 14.30% annualized return.
TTEK
- 1D
- 2.19%
- 1M
- 10.90%
- 6M
- -11.57%
- YTD
- -0.71%
- 1Y
- -6.84%
- 3Y*
- -0.04%
- 5Y*
- 5.11%
- 10Y*
- 18.36%
- ALL TIME*
- 15.01%
LDOS
- 1D
- 2.84%
- 1M
- 6.21%
- 6M
- -38.23%
- YTD
- -35.53%
- 1Y
- -26.62%
- 3Y*
- 6.16%
- 5Y*
- 2.99%
- 10Y*
- 14.30%
- ALL TIME*
- 6.36%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $148.41M | $155.02M | $188.97M | |
TTEK Tetra Tech, Inc. | $111.00M | $93.88M | $104.42M |
TTEK vs. LDOS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TTEK Tetra Tech, Inc. | -0.71% | -15.19% | 19.98% | 15.74% | -13.96% | 47.46% | 35.34% | 67.76% | 8.39% | 12.57% |
LDOS Leidos Holdings, Inc. | -35.53% | 26.50% | 34.52% | 4.50% | 20.04% | -14.20% | 8.95% | 88.82% | -16.72% | 29.14% |
Correlation
The correlation between TTEK and LDOS is 0.45, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.45 |
Correlation (3Y) Balances recent behavior with more history. | 0.46 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.42 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.43 |
Correlation (All Time) Calculated using the full available price history since Oct 13, 2006 | 0.42 |
Fundamentals
TTEK:
$8.61B
LDOS:
$14.54B
TTEK:
$1.66
LDOS:
$10.92
TTEK:
19.93
LDOS:
10.59
TTEK:
5.11
LDOS:
0.09
TTEK:
1.71
LDOS:
0.87
TTEK:
4.65
LDOS:
2.95
TTEK:
$5.07B
LDOS:
$17.33B
TTEK:
$951.81M
LDOS:
$3.04B
TTEK:
$667.08M
LDOS:
$2.34B
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Return for Risk
TTEK vs. LDOS — Risk / Return Rank
TTEK
LDOS
TTEK vs. LDOS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Tetra Tech, Inc. (TTEK) and Leidos Holdings, Inc. (LDOS). 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.
| TTEK | LDOS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.60 | ||
| Sortino ratioReturn per unit of downside risk | +0.97 | ||
| Omega ratioGain probability vs. loss probability | 0.99 | 0.86 | +0.13 |
| Calmar ratioReturn relative to maximum drawdown | -0.24 | -0.54 | +0.31 |
| Martin ratioReturn relative to average drawdown | -0.46 | -1.20 | +0.74 |
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Drawdowns
TTEK vs. LDOS - Drawdown Comparison
The maximum TTEK drawdown since its inception was -77.89%, which is greater than LDOS's maximum drawdown of -54.72%. Use the drawdown chart below to compare losses from any high point for TTEK and LDOS.
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Drawdown Indicators
| TTEK | LDOS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -77.89% | -54.72% | -23.17% |
Max Drawdown (1Y)Largest decline over 1 year | -38.30% | -49.47% | +11.17% |
Max Drawdown (3Y)Largest decline over 3 years | -47.50% | -49.47% | +1.97% |
Max Drawdown (5Y)Largest decline over 5 years | -47.50% | -49.47% | +1.97% |
Max Drawdown (10Y)Largest decline over 10 years | -47.50% | -49.47% | +1.97% |
Current DrawdownCurrent decline from peak | -33.50% | -41.59% | +8.09% |
Average DrawdownAverage peak-to-trough decline | -20.74% | -19.85% | -0.89% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 19.81% | 22.47% | -2.66% |
Volatility
TTEK vs. LDOS - Volatility Comparison
Tetra Tech, Inc. (TTEK) and Leidos Holdings, Inc. (LDOS) have volatilities of 9.96% and 9.60%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TTEK | LDOS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.96% | 9.60% | +0.36% |
Volatility (6M)Calculated over the trailing 6-month period | 28.02% | 26.99% | +1.03% |
Volatility (1Y)Calculated over the trailing 1-year period | 36.78% | 31.77% | +5.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 32.22% | 27.27% | +4.95% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 32.17% | 27.60% | +4.57% |
Dividends
TTEK vs. LDOS - Dividend Comparison
TTEK's dividend yield for the trailing twelve months is around 0.81%, less than LDOS's 1.46% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
LDOS Leidos Holdings, Inc. | 1.46% | 0.90% | 1.07% | 1.35% | 1.37% | 1.57% | 1.29% | 1.35% | 2.43% | 1.98% | 29.17% | 3.41% |
TTEK Tetra Tech, Inc. | 0.81% | 0.75% | 0.57% | 0.61% | 0.61% | 0.45% | 0.57% | 0.66% | 0.89% | 0.81% | 0.81% | 1.19% |
Financials
TTEK vs. LDOS - Financials Comparison
This section allows you to compare key financial metrics between Tetra Tech, Inc. and Leidos Holdings, 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
TTEK vs. LDOS - Profitability Comparison
TTEK - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Tetra Tech, Inc. reported a gross profit of 243.21M and revenue of 1.31B. Therefore, the gross margin over that period was 18.6%.
LDOS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Leidos Holdings, Inc. reported a gross profit of 761.00M and revenue of 4.40B. Therefore, the gross margin over that period was 17.3%.
TTEK - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Tetra Tech, Inc. reported an operating income of 157.93M and revenue of 1.31B, resulting in an operating margin of 12.1%.
LDOS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Leidos Holdings, Inc. reported an operating income of 508.00M and revenue of 4.40B, resulting in an operating margin of 11.6%.
TTEK - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Tetra Tech, Inc. reported a net income of 109.58M and revenue of 1.31B, resulting in a net margin of 8.4%.
LDOS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Leidos Holdings, Inc. reported a net income of 328.00M and revenue of 4.40B, resulting in a net margin of 7.5%.
Frequently Asked Questions
TTEK and LDOS have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
TTEK has higher volatility (9.96%) compared to LDOS (9.60%). In terms of maximum drawdown, TTEK dropped -77.89% vs LDOS's -54.72%.
TTEK currently has the higher Sharpe Ratio (-0.25 vs -0.85), 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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