BT-A.L vs. BA.L
BT-A.L (BT Group plc) and BA.L (BAE Systems plc) are both stocks. BT-A.L operates in Telecom Services (Communication Services), while BA.L operates in Aerospace & Defense (Industrials). Over the past 10 years, BT-A.L returned -2.53%/yr vs 19.00%/yr for BA.L. At a 0.25 correlation, their price movements are largely independent.
Performance
BT-A.L vs. BA.L - Performance Comparison
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Returns By Period
In the year-to-date period, BT-A.L achieves a 11.11% return, which is significantly lower than BA.L's 15.01% return. Over the past 10 years, BT-A.L has underperformed BA.L with an annualized return of -2.53%, while BA.L has yielded a comparatively higher 19.00% annualized return.
BT-A.L
- 1D
- 1.49%
- 1M
- -13.42%
- YTD
- 11.11%
- 6M
- 17.09%
- 1Y
- 19.68%
- 3Y*
- 17.95%
- 5Y*
- 7.11%
- 10Y*
- -2.53%
BA.L
- 1D
- 1.01%
- 1M
- 0.84%
- YTD
- 15.01%
- 6M
- 16.57%
- 1Y
- 2.85%
- 3Y*
- 30.30%
- 5Y*
- 32.98%
- 10Y*
- 19.00%
BT-A.L vs. BA.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BT-A.L BT Group plc | 11.11% | 33.10% | 23.69% | 17.70% | -30.23% | 29.97% | -31.28% | -12.15% | -6.56% | -21.99% |
BA.L BAE Systems plc | 15.01% | 52.12% | 5.88% | 33.31% | 60.92% | 17.57% | -9.28% | 28.43% | -16.75% | 0.30% |
Correlation
The correlation between BT-A.L and BA.L is 0.01, 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 | 0.01 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.01 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.06 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.13 |
Correlation (All Time) Calculated using the full available price history since Aug 21, 2006 | 0.25 |
Over the past year, the correlation between BT-A.L and BA.L has dropped to 0.01 - well below their long-term average of 0.25, suggesting their price drivers have been diverging.
Fundamentals
BT-A.L:
£20.36B
BA.L:
£54.65B
BT-A.L:
£9.54B
BA.L:
£4.75B
BT-A.L:
£7.36B
BA.L:
£7.55B
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Return for Risk
BT-A.L vs. BA.L — Risk / Return Rank
BT-A.L
BA.L
BT-A.L vs. BA.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BT Group plc (BT-A.L) and BAE Systems plc (BA.L). 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.
| BT-A.L | BA.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.65 | ||
| Sortino ratioReturn per unit of downside risk | +0.94 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.04 | +0.11 |
| Calmar ratioReturn relative to maximum drawdown | 1.00 | 0.13 | +0.87 |
| Martin ratioReturn relative to average drawdown | 1.93 | 0.30 | +1.63 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| BT-A.L | BA.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.75 | 0.10 | +0.65 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.24 | 1.28 | -1.04 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.08 | 0.76 | -0.84 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.12 | 0.52 | -0.40 |
Drawdowns
BT-A.L vs. BA.L - Drawdown Comparison
The maximum BT-A.L drawdown since its inception was -75.45%, which is greater than BA.L's maximum drawdown of -43.67%. Use the drawdown chart below to compare losses from any high point for BT-A.L and BA.L.
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Drawdown Indicators
| BT-A.L | BA.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -75.45% | -43.67% | -31.78% |
Max Drawdown (1Y)Largest decline over 1 year | -19.61% | -21.30% | +1.69% |
Max Drawdown (3Y)Largest decline over 3 years | -25.74% | -21.30% | -4.44% |
Max Drawdown (5Y)Largest decline over 5 years | -43.18% | -21.30% | -21.88% |
Max Drawdown (10Y)Largest decline over 10 years | -71.80% | -37.80% | -34.00% |
Current DrawdownCurrent decline from peak | -34.05% | -15.43% | -18.62% |
Average DrawdownAverage peak-to-trough decline | -36.97% | -12.73% | -24.24% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.19% | 9.64% | +0.55% |
Volatility
BT-A.L vs. BA.L - Volatility Comparison
BT Group plc (BT-A.L) has a higher volatility of 11.13% compared to BAE Systems plc (BA.L) at 8.80%. This indicates that BT-A.L's price experiences larger fluctuations and is considered to be riskier than BA.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BT-A.L | BA.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 11.13% | 8.80% | +2.33% |
Volatility (6M)Calculated over the trailing 6-month period | 20.44% | 23.59% | -3.15% |
Volatility (1Y)Calculated over the trailing 1-year period | 26.27% | 29.97% | -3.70% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 29.83% | 25.82% | +4.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 30.99% | 25.07% | +5.92% |
Dividends
BT-A.L vs. BA.L - Dividend Comparison
BT-A.L's dividend yield for the trailing twelve months is around 4.01%, more than BA.L's 1.86% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BA.L BAE Systems plc | 1.86% | 1.99% | 2.69% | 2.53% | 2.99% | 4.40% | 4.75% | 4.00% | 4.79% | 3.75% | 3.57% | 4.14% |
BT-A.L BT Group plc | 4.01% | 4.46% | 5.62% | 6.23% | 6.87% | 1.36% | 0.00% | 8.00% | 6.37% | 5.67% | 3.94% | 2.73% |
Financials
BT-A.L vs. BA.L - Financials Comparison
This section allows you to compare key financial metrics between BT Group plc and BAE Systems plc. 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
BT-A.L and BA.L have a correlation of 0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
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