CACI vs. ACA

Last updated Jun 24, 2026

CACI (CACI International Inc) and ACA (Arcosa, Inc.) are both stocks. CACI operates in Information Technology Services (Technology), while ACA operates in Infrastructure Operations (Industrials). Over the past 5 years, CACI returned 12.66%/yr vs 19.73%/yr for ACA. At a 0.33 correlation, their price movements are largely independent.

Performance

CACI vs. ACA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in CACI International Inc (CACI) and Arcosa, Inc. (ACA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CACI achieves a -12.22% return, which is significantly lower than ACA's 36.43% return.

CACI

• 1D: 3.99%
• 1M: -6.72%
• YTD: -12.22%
• 6M: -14.12%
• 1Y: 2.20%
• 3Y*: 12.52%
• 5Y*: 12.66%
• 10Y*: 17.89%

ACA

• 1D: 0.01%
• 1M: 20.02%
• YTD: 36.43%
• 6M: 30.47%
• 1Y: 67.23%
• 3Y*: 26.79%
• 5Y*: 19.73%
• 10Y*: —

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

CACI vs. ACA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
CACI CACI International Inc	-12.22%	31.86%	24.76%	7.74%	11.66%	7.97%	-0.26%	73.57%	-16.22%
ACA Arcosa, Inc.	36.43%	10.15%	17.34%	52.54%	3.51%	-3.73%	23.87%	61.89%	-7.70%

Correlation

The correlation between CACI and ACA is 0.16, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.16
Correlation (3Y) Calculated over the trailing 3-year period	0.28
Correlation (5Y) Calculated over the trailing 5-year period	0.33
Correlation (All Time) Calculated using the full available price history since Oct 30, 2018	0.33

The correlation between CACI and ACA shifts across timeframes, from 0.16 (1 year) to 0.33 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap CACI : $10.36B ACA : $7.13B
EPS CACI : $18.36 ACA : $4.54
PE Ratio CACI : 25.47 ACA : 31.95
PEG Ratio CACI : 4.36 ACA : 0.43
PS Ratio CACI : 1.13 ACA : 2.52
PB Ratio CACI : 2.42 ACA : 2.71
Total Revenue (TTM) CACI : $9.16B ACA : $2.82B
Gross Profit (TTM) CACI : $854.30M ACA : $642.70M
EBITDA (TTM) CACI : $1.08B ACA : $460.00M

Return for Risk

CACI vs. ACA — Risk / Return Rank

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

CACI

CACI Risk / Return Rank: 43
CACI Sharpe Ratio Rank: 45
CACI Sortino Ratio Rank: 40
CACI Omega Ratio Rank: 39
CACI Calmar Ratio Rank: 44
CACI Martin Ratio Rank: 45

ACA

ACA Risk / Return Rank: 86
ACA Sharpe Ratio Rank: 87
ACA Sortino Ratio Rank: 84
ACA Omega Ratio Rank: 86
ACA Calmar Ratio Rank: 84
ACA Martin Ratio Rank: 87

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.

CACI vs. ACA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for CACI International Inc (CACI) and Arcosa, Inc. (ACA). 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.

	CACI	ACA	Difference
Sharpe ratio: Return per unit of total volatility	0.07	1.84	-1.77
Sortino ratio: Return per unit of downside risk	0.34	2.54	-2.19
Omega ratio: Gain probability vs. loss probability	1.04	1.36	-0.31
Calmar ratio: Return relative to maximum drawdown	0.07	3.15	-3.08
Martin ratio: Return relative to average drawdown	0.18	9.29	-9.11

CACI vs. ACA - Sharpe Ratio Comparison

The current CACI Sharpe Ratio is 0.07, which is lower than the ACA Sharpe Ratio of 1.84. The chart below compares the historical Sharpe Ratios of CACI and ACA, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

CACI vs. ACA - Drawdown Comparison

The maximum CACI drawdown since its inception was -62.89%, which is greater than ACA's maximum drawdown of -36.79%. Use the drawdown chart below to compare losses from any high point for CACI and ACA.

Drawdown Indicators

	CACI	ACA	Difference
Max Drawdown Largest peak-to-trough decline	-62.89%	-36.79%	-26.10%
Max Drawdown (1Y) Largest decline over 1 year	-32.09%	-21.45%	-10.64%
Max Drawdown (3Y) Largest decline over 3 years	-42.88%	-36.63%	-6.25%
Max Drawdown (5Y) Largest decline over 5 years	-42.88%	-36.63%	-6.25%
Max Drawdown (10Y) Largest decline over 10 years	-42.88%	—	—
Current Drawdown Current decline from peak	-29.37%	0.00%	-29.37%
Average Drawdown Average peak-to-trough decline	-19.09%	-11.44%	-7.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.15%	7.26%	+4.89%

Volatility

CACI vs. ACA - Volatility Comparison

CACI International Inc (CACI) and Arcosa, Inc. (ACA) have volatilities of 10.49% and 10.33%, 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.

Volatility by Period

	CACI	ACA	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.49%	10.33%	+0.16%
Volatility (6M) Calculated over the trailing 6-month period	24.92%	28.88%	-3.96%
Volatility (1Y) Calculated over the trailing 1-year period	32.95%	36.81%	-3.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.20%	34.65%	-7.45%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	28.05%	42.07%	-14.02%

Dividends

CACI vs. ACA - Dividend Comparison

CACI has not paid dividends to shareholders, while ACA's dividend yield for the trailing twelve months is around 0.14%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
ACA Arcosa, Inc.	0.14%	0.19%	0.21%	0.24%	0.37%	0.38%	0.36%	0.45%
CACI CACI International Inc	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

CACI vs. ACA - Profitability Comparison

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

CACI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, CACI International Inc reported a gross profit of 228.88M and revenue of 2.35B. Therefore, the gross margin over that period was 9.7%.

ACA - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Arcosa, Inc. reported a gross profit of 120.90M and revenue of 571.70M. Therefore, the gross margin over that period was 21.2%.

CACI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, CACI International Inc reported an operating income of 228.88M and revenue of 2.35B, resulting in an operating margin of 9.7%.

ACA - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Arcosa, Inc. reported an operating income of -2.00M and revenue of 571.70M, resulting in an operating margin of -0.4%.

CACI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, CACI International Inc reported a net income of 130.40K and revenue of 2.35B, resulting in a net margin of 0.0%.

ACA - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Arcosa, Inc. reported a net income of 37.80M and revenue of 571.70M, resulting in a net margin of 6.6%.

Frequently Asked Questions

Can I hold both CACI and ACA in my portfolio?

CACI and ACA have a correlation of 0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CACI or ACA?

CACI has higher volatility (10.49%) compared to ACA (10.33%). In terms of maximum drawdown, CACI dropped -62.89% vs ACA's -36.79%.

Which has better risk-adjusted returns?

ACA currently has the higher Sharpe Ratio (1.84 vs 0.07), 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.