BA.L vs. ATO.PA
BA.L (BAE Systems plc) and ATO.PA (Atos SE) are both stocks. BA.L operates in Aerospace & Defense (Industrials), while ATO.PA operates in Information Technology Services (Technology). Over the past 10 years, BA.L returned 18.87%/yr vs -37.69%/yr for ATO.PA. At a 0.22 correlation, their price movements are largely independent.
Performance
BA.L vs. ATO.PA - Performance Comparison
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Different Trading Currencies
BA.L is traded in GBp, while ATO.PA is traded in EUR. To make them comparable, the ATO.PA values have been converted to GBp using the latest available exchange rates.
Returns By Period
In the year-to-date period, BA.L achieves a 12.71% return, which is significantly higher than ATO.PA's -31.58% return. Over the past 10 years, BA.L has outperformed ATO.PA with an annualized return of 18.87%, while ATO.PA has yielded a comparatively lower -37.69% annualized return.
BA.L
- 1D
- -1.62%
- 1M
- -0.91%
- YTD
- 12.71%
- 6M
- 13.60%
- 1Y
- 3.23%
- 3Y*
- 28.80%
- 5Y*
- 32.37%
- 10Y*
- 18.87%
ATO.PA
- 1D
- 2.52%
- 1M
- -10.03%
- YTD
- -31.58%
- 6M
- -38.32%
- 1Y
- -4.74%
- 3Y*
- -67.57%
- 5Y*
- -61.36%
- 10Y*
- -37.69%
BA.L vs. ATO.PA - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BA.L BAE Systems plc | 12.71% | 52.12% | 5.88% | 33.31% | 60.92% | 17.57% | -9.28% | 28.43% | -16.75% | 0.30% |
ATO.PA Atos SE | -31.58% | 103.29% | -95.26% | -23.33% | -74.65% | -52.96% | 6.31% | 32.11% | -40.51% | 26.22% |
Correlation
The correlation between BA.L and ATO.PA is 0.08, 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 | 0.08 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.02 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.01 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.14 |
Correlation (All Time) Calculated using the full available price history since Jul 11, 2007 | 0.22 |
The correlation between BA.L and ATO.PA shifts across timeframes, from 0.01 (5 years) to 0.22 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
BA.L vs. ATO.PA — Risk / Return Rank
BA.L
ATO.PA
BA.L vs. ATO.PA - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BAE Systems plc (BA.L) and Atos SE (ATO.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.
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.
| BA.L | ATO.PA | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.27 | ||
| Sortino ratioReturn per unit of downside risk | +0.17 | ||
| Omega ratioGain probability vs. loss probability | 1.04 | 1.02 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | 0.15 | -0.21 | +0.36 |
| Martin ratioReturn relative to average drawdown | 0.33 | -0.37 | +0.70 |
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Drawdowns
BA.L vs. ATO.PA - Drawdown Comparison
The maximum BA.L drawdown since its inception was -43.67%, smaller than the maximum ATO.PA drawdown of -99.85%. Use the drawdown chart below to compare losses from any high point for BA.L and ATO.PA.
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Drawdown Indicators
| BA.L | ATO.PA | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.67% | -99.85% | +56.18% |
Max Drawdown (1Y)Largest decline over 1 year | -21.30% | -46.85% | +25.55% |
Max Drawdown (3Y)Largest decline over 3 years | -21.30% | -98.97% | +77.67% |
Max Drawdown (5Y)Largest decline over 5 years | -21.30% | -99.72% | +78.42% |
Max Drawdown (10Y)Largest decline over 10 years | -37.80% | -99.85% | +62.05% |
Current DrawdownCurrent decline from peak | -17.12% | -99.55% | +82.43% |
Average DrawdownAverage peak-to-trough decline | -12.74% | -36.38% | +23.64% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.84% | 25.96% | -16.12% |
Volatility
BA.L vs. ATO.PA - Volatility Comparison
The current volatility for BAE Systems plc (BA.L) is 8.48%, while Atos SE (ATO.PA) has a volatility of 15.44%. This indicates that BA.L experiences smaller price fluctuations and is considered to be less risky than ATO.PA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BA.L | ATO.PA | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.48% | 15.44% | -6.96% |
Volatility (6M)Calculated over the trailing 6-month period | 23.43% | 42.76% | -19.33% |
Volatility (1Y)Calculated over the trailing 1-year period | 29.85% | 60.05% | -30.20% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 25.82% | 126.59% | -100.77% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.07% | 92.42% | -67.35% |
Dividends
BA.L vs. ATO.PA - Dividend Comparison
BA.L's dividend yield for the trailing twelve months is around 1.90%, while ATO.PA has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ATO.PA Atos SE | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
BA.L BAE Systems plc | 1.90% | 1.99% | 2.69% | 2.53% | 2.99% | 4.40% | 4.75% | 4.00% | 4.79% | 3.75% | 3.57% | 4.14% |
Financials
BA.L vs. ATO.PA - Financials Comparison
This section allows you to compare key financial metrics between BAE Systems plc and Atos SE. 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
BA.L and ATO.PA have a correlation of 0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
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