GHC vs. ACM
GHC (Graham Holdings Company) and ACM (AECOM) are both stocks. GHC operates in Education & Training Services (Consumer Defensive), while ACM operates in Engineering & Construction (Industrials). Over the past 10 years, GHC returned 10.04%/yr vs 8.79%/yr for ACM. At a 0.39 correlation, their price movements are largely independent.
Performance
GHC vs. ACM - Performance Comparison
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Returns By Period
In the year-to-date period, GHC achieves a 7.23% return, which is significantly higher than ACM's -25.95% return. Over the past 10 years, GHC has outperformed ACM with an annualized return of 10.04%, while ACM has yielded a comparatively lower 8.79% annualized return.
GHC
- 1D
- 1.55%
- 1M
- 7.43%
- YTD
- 7.23%
- 6M
- 5.38%
- 1Y
- 25.98%
- 3Y*
- 28.02%
- 5Y*
- 13.38%
- 10Y*
- 10.04%
ACM
- 1D
- 0.76%
- 1M
- -1.67%
- YTD
- -25.95%
- 6M
- -28.58%
- 1Y
- -36.69%
- 3Y*
- -5.34%
- 5Y*
- 2.52%
- 10Y*
- 8.79%
GHC vs. ACM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GHC Graham Holdings Company | 7.23% | 26.98% | 26.32% | 16.56% | -3.02% | 19.25% | -15.32% | 0.57% | 15.78% | 10.05% |
ACM AECOM | -25.95% | -9.91% | 16.67% | 9.77% | 10.72% | 55.38% | 15.42% | 62.75% | -28.67% | 2.17% |
Correlation
The correlation between GHC and ACM is 0.26, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.26 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.41 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.44 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.41 |
Correlation (All Time) Calculated using the full available price history since May 10, 2007 | 0.39 |
The correlation between GHC and ACM shifts across timeframes, from 0.26 (1 year) to 0.44 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
GHC:
$7.77M
ACM:
$9.16B
GHC:
$90.63
ACM:
$3.82
GHC:
12.96
ACM:
18.34
GHC:
0.15
ACM:
0.11
GHC:
1.03
ACM:
0.58
GHC:
0.00
ACM:
4.03
GHC:
$3.75B
ACM:
$15.99B
GHC:
$1.10B
ACM:
$1.24B
GHC:
$722.08M
ACM:
$976.83M
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Return for Risk
GHC vs. ACM — Risk / Return Rank
GHC
ACM
GHC vs. ACM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Graham Holdings Company (GHC) 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.
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.
| GHC | ACM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.08 | ||
| Sortino ratioReturn per unit of downside risk | +2.92 | ||
| Omega ratioGain probability vs. loss probability | 1.18 | 0.78 | +0.40 |
| Calmar ratioReturn relative to maximum drawdown | 1.25 | -0.76 | +2.01 |
| Martin ratioReturn relative to average drawdown | 3.29 | -1.46 | +4.75 |
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Drawdowns
GHC vs. ACM - Drawdown Comparison
The maximum GHC drawdown since its inception was -67.54%, which is greater than ACM's maximum drawdown of -59.97%. Use the drawdown chart below to compare losses from any high point for GHC and ACM.
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Drawdown Indicators
| GHC | ACM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -67.54% | -59.97% | -7.57% |
Max Drawdown (1Y)Largest decline over 1 year | -19.78% | -48.61% | +28.83% |
Max Drawdown (3Y)Largest decline over 3 years | -19.78% | -48.61% | +28.83% |
Max Drawdown (5Y)Largest decline over 5 years | -20.52% | -48.61% | +28.09% |
Max Drawdown (10Y)Largest decline over 10 years | -62.55% | -54.12% | -8.43% |
Current DrawdownCurrent decline from peak | -1.32% | -47.45% | +46.13% |
Average DrawdownAverage peak-to-trough decline | -19.30% | -18.48% | -0.82% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.51% | 25.27% | -17.76% |
Volatility
GHC vs. ACM - Volatility Comparison
The current volatility for Graham Holdings Company (GHC) is 5.31%, while AECOM (ACM) has a volatility of 8.02%. This indicates that GHC experiences smaller price fluctuations and is considered to be less risky than ACM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GHC | ACM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.31% | 8.02% | -2.71% |
Volatility (6M)Calculated over the trailing 6-month period | 15.88% | 26.30% | -10.42% |
Volatility (1Y)Calculated over the trailing 1-year period | 26.54% | 32.14% | -5.60% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 26.03% | 26.70% | -0.67% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 28.28% | 31.18% | -2.90% |
Dividends
GHC vs. ACM - Dividend Comparison
GHC's dividend yield for the trailing twelve months is around 0.63%, less than ACM's 1.63% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACM AECOM | 1.63% | 1.09% | 0.82% | 0.78% | 0.71% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
GHC Graham Holdings Company | 0.63% | 0.66% | 0.79% | 0.95% | 1.05% | 0.96% | 1.09% | 0.87% | 0.83% | 0.91% | 0.95% | 89.61% |
Financials
GHC vs. ACM - Financials Comparison
This section allows you to compare key financial metrics between Graham Holdings Company and AECOM. 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
Frequently Asked Questions
GHC and ACM have a correlation of 0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ACM has higher volatility (8.02%) compared to GHC (5.31%). In terms of maximum drawdown, GHC dropped -67.54% vs ACM's -59.97%.
GHC currently has the higher Sharpe Ratio (0.93 vs -1.15), 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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