STN vs. ACM

Last updated Apr 1, 2026

Compare and contrast key facts about Stantec Inc (STN) and AECOM (ACM).

Performance

STN vs. ACM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Stantec Inc (STN) and AECOM (ACM). The values are adjusted to include any dividend payments, if applicable.

STN vs. ACM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
STN Stantec Inc	-8.25%	21.08%	-1.44%	68.90%	-13.76%	75.67%	16.56%	31.83%	-20.43%	12.80%
ACM AECOM	-10.75%	-9.91%	16.67%	9.77%	10.72%	55.38%	15.42%	62.75%	-28.67%	2.17%

Fundamentals

Market Cap STN : $9.86B ACM : $11.19B
EPS STN : $3.89 ACM : $4.17
PE Ratio STN : 22.23 ACM : 20.34
PEG Ratio STN : 0.92 ACM : 0.12
PS Ratio STN : 1.29 ACM : 0.71
PB Ratio STN : 3.04 ACM : 5.02
Total Revenue (TTM) STN : $7.62B ACM : $15.96B
Gross Profit (TTM) STN : $3.14B ACM : $1.23B
EBITDA (TTM) STN : $1.01B ACM : $1.19B

Returns By Period

In the year-to-date period, STN achieves a -8.25% return, which is significantly higher than ACM's -10.75% return. Over the past 10 years, STN has outperformed ACM with an annualized return of 14.78%, while ACM has yielded a comparatively lower 11.09% annualized return.

STN

• 1D: 2.27%
• 1M: -6.67%
• YTD: -8.25%
• 6M: -19.55%
• 1Y: 5.01%
• 3Y*: 14.83%
• 5Y*: 15.87%
• 10Y*: 14.78%

ACM

• 1D: 1.93%
• 1M: -13.43%
• YTD: -10.75%
• 6M: -34.66%
• 1Y: -7.60%
• 3Y*: 1.16%
• 5Y*: 6.50%
• 10Y*: 11.09%

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

Return for Risk

STN vs. ACM — Risk / Return Rank

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

STN

STN Risk / Return Rank: 46
STN Sharpe Ratio Rank: 49
STN Sortino Ratio Rank: 41
STN Omega Ratio Rank: 41
STN Calmar Ratio Rank: 48
STN Martin Ratio Rank: 49

ACM

ACM Risk / Return Rank: 31
ACM Sharpe Ratio Rank: 31
ACM Sortino Ratio Rank: 27
ACM Omega Ratio Rank: 27
ACM Calmar Ratio Rank: 37
ACM Martin Ratio Rank: 36

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.

STN vs. ACM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Stantec Inc (STN) and AECOM (ACM). 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.

	STN	ACM	Difference
Sharpe ratio Return per unit of total volatility	0.19	-0.25	+0.44
Sortino ratio Return per unit of downside risk	0.43	-0.13	+0.56
Omega ratio Gain probability vs. loss probability	1.06	0.98	+0.08
Calmar ratio Return relative to maximum drawdown	0.24	-0.20	+0.44
Martin ratio Return relative to average drawdown	0.57	-0.44	+1.01
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

STN vs. ACM - Sharpe Ratio Comparison

The current STN Sharpe Ratio is 0.19, which is higher than the ACM Sharpe Ratio of -0.25. The chart below compares the historical Sharpe Ratios of STN and ACM, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	STN	ACM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.19	-0.25	+0.44
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.65	0.25	+0.40
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.58	0.36	+0.22
Sharpe Ratio (All Time) Calculated using the full available price history	0.44	0.22	+0.21

Correlation

The correlation between STN and ACM is 0.40, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

STN vs. ACM - Dividend Comparison

STN's dividend yield for the trailing twelve months is around 0.77%, less than ACM's 1.29% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
STN Stantec Inc	0.77%	0.69%	0.78%	0.79%	1.14%	1.17%	1.42%	1.55%	1.91%	1.79%	1.78%	1.69%
ACM AECOM	1.29%	1.09%	0.82%	0.78%	0.71%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

STN vs. ACM - Drawdown Comparison

The maximum STN drawdown since its inception was -67.42%, which is greater than ACM's maximum drawdown of -59.97%. Use the drawdown chart below to compare losses from any high point for STN and ACM.

Drawdown Indicators

	STN	ACM	Difference
Max Drawdown Largest peak-to-trough decline	-67.42%	-59.97%	-7.45%
Max Drawdown (1Y) Largest decline over 1 year	-25.41%	-37.87%	+12.46%
Max Drawdown (5Y) Largest decline over 5 years	-27.94%	-37.87%	+9.93%
Max Drawdown (10Y) Largest decline over 10 years	-32.18%	-54.12%	+21.94%
Current Drawdown Current decline from peak	-23.72%	-36.67%	+12.95%
Average Drawdown Average peak-to-trough decline	-17.03%	-18.24%	+1.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.67%	16.90%	-6.23%

Volatility

STN vs. ACM - Volatility Comparison

Stantec Inc (STN) has a higher volatility of 7.23% compared to AECOM (ACM) at 6.88%. This indicates that STN's price experiences larger fluctuations and is considered to be riskier than ACM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	STN	ACM	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.23%	6.88%	+0.35%
Volatility (6M) Calculated over the trailing 6-month period	21.42%	25.64%	-4.22%
Volatility (1Y) Calculated over the trailing 1-year period	27.03%	30.54%	-3.51%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.56%	25.85%	-1.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.39%	30.87%	-5.48%

Financials

STN vs. ACM - Profitability Comparison

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

STN - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Stantec Inc reported a gross profit of 788.76M and revenue of 2.11B. Therefore, the gross margin over that period was 37.3%.

ACM - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, AECOM reported a gross profit of 280.99M and revenue of 3.83B. Therefore, the gross margin over that period was 7.3%.

STN - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Stantec Inc reported an operating income of 184.05M and revenue of 2.11B, resulting in an operating margin of 8.7%.

ACM - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, AECOM reported an operating income of 222.05M and revenue of 3.83B, resulting in an operating margin of 5.8%.

STN - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Stantec Inc reported a net income of 93.82M and revenue of 2.11B, resulting in a net margin of 4.4%.

ACM - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, AECOM reported a net income of 159.26M and revenue of 3.83B, resulting in a net margin of 4.2%.