ATE.PA vs. CGM.PA

Last updated Jun 5, 2026

ATE.PA (Alten SA) and CGM.PA (Cegedim SA) are both stocks. ATE.PA operates in Information Technology Services (Technology), while CGM.PA operates in Health Information Services (Healthcare). At a 0.13 correlation, their price movements are largely independent.

Performance

ATE.PA vs. CGM.PA - Performance Comparison

The chart below illustrates the hypothetical performance of a €10,000 investment in Alten SA (ATE.PA) and Cegedim SA (CGM.PA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

ATE.PA

• 1D: 4.66%
• 1M: 7.03%
• YTD: -8.63%
• 6M: -4.82%
• 1Y: -7.80%
• 3Y*: -22.38%
• 5Y*: -7.39%
• 10Y*: 2.46%

CGM.PA

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ATE.PA vs. CGM.PA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ATE.PA Alten SA	-8.63%	-6.44%	-40.45%	16.47%	-25.41%	72.78%	-17.64%	56.31%	5.62%	5.77%
CGM.PA Cegedim SA	0.00%	-18.43%	-28.61%	22.66%	-38.00%	-5.88%	-12.07%	46.84%	-40.48%	26.64%

Correlation

The correlation between ATE.PA and CGM.PA 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	0.06
Correlation (5Y) Calculated over the trailing 5-year period	0.11
Correlation (10Y) Calculated over the trailing 10-year period	0.13
Correlation (All Time) Calculated using the full available price history since Feb 5, 1999	0.13

Return for Risk

ATE.PA vs. CGM.PA — Risk / Return Rank

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

ATE.PA

ATE.PA Risk / Return Rank: 33
ATE.PA Sharpe Ratio Rank: 33
ATE.PA Sortino Ratio Rank: 30
ATE.PA Omega Ratio Rank: 30
ATE.PA Calmar Ratio Rank: 35
ATE.PA Martin Ratio Rank: 35

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.

ATE.PA vs. CGM.PA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Alten SA (ATE.PA) and Cegedim SA (CGM.PA). 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.

	ATE.PA	CGM.PA	Difference
Sharpe ratio: Return per unit of total volatility	-0.20	—	—
Sortino ratio: Return per unit of downside risk	-0.04	—	—
Omega ratio: Gain probability vs. loss probability	1.00	—	—
Calmar ratio: Return relative to maximum drawdown	-0.20	—	—
Martin ratio: Return relative to average drawdown	-0.39	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	ATE.PA	CGM.PA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.20	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.22	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.08	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.21	—	—

Drawdowns

Drawdown Indicators

	ATE.PA	CGM.PA	Difference
Max Drawdown Largest peak-to-trough decline	-94.02%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-37.61%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-64.46%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-66.45%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-66.45%	—	—
Current Drawdown Current decline from peak	-56.96%	—	—
Average Drawdown Average peak-to-trough decline	-41.23%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	18.78%	—	—

Volatility

Volatility by Period

	ATE.PA	CGM.PA	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.14%	—	—
Volatility (6M) Calculated over the trailing 6-month period	30.68%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	36.91%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.76%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.91%	—	—

Dividends

ATE.PA vs. CGM.PA - Dividend Comparison

ATE.PA's dividend yield for the trailing twelve months is around 2.27%, while CGM.PA has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ATE.PA Alten SA	2.27%	2.07%	1.90%	1.11%	1.11%	0.63%	0.00%	0.89%	1.38%	1.44%	1.50%	1.87%
CGM.PA Cegedim SA	0.00%	0.00%	0.00%	0.00%	3.43%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both ATE.PA and CGM.PA in my portfolio?

ATE.PA and CGM.PA 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.