Highlights
- Year Range
- £0.00 - £0.05
Share Price Chart
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Performance
Performance Chart
The chart shows the growth of an initial investment of £10,000 in Defence Holdings PLC, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.
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Different Benchmark Currency
ALRT.L is traded in GBp, while the ^GSPC benchmark is in USD. To make them comparable, the benchmark values have been converted to GBp using the latest available exchange rates.
Returns By Period
Defence Holdings PLC (ALRT.L) has returned -25.71% so far this year and 2,376.19% over the past 12 months.
Defence Holdings PLC
- 1D
- 7.44%
- 1M
- -4.41%
- YTD
- -25.71%
- 6M
- -67.90%
- 1Y
- 2,376.19%
- 3Y*
- 10.06%
- 5Y*
- -25.46%
- 10Y*
- —
Benchmark (S&P 500 Index)
- 1D
- 2.61%
- 1M
- -3.22%
- YTD
- -2.82%
- 6M
- -0.72%
- 1Y
- 13.66%
- 3Y*
- 14.01%
- 5Y*
- 11.18%
- 10Y*
- 12.98%
Monthly Returns
Based on dividend-adjusted daily data since Oct 2, 2020, ALRT.L's average daily return is +0.22%, while the average monthly return is +17.06%. At this rate, your investment would double in approximately 0.4 years.
Historically, 33% of months were positive and 67% were negative. The best month was May 2025 with a return of +772.2%, while the worst month was Aug 2024 at -68.1%. The longest winning streak lasted 2 consecutive months, and the longest losing streak was 6 months.
On a daily basis, ALRT.L closed higher 27% of trading days. The best single day was May 22, 2025 with a return of +123.1%, while the worst single day was Aug 1, 2024 at -58.3%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -15.71% | -7.80% | -4.41% | -25.71% | |||||||||
| 2025 | 158.67% | -38.14% | -12.50% | 37.14% | 772.22% | -32.32% | -16.94% | 61.47% | 610.53% | -44.69% | -26.34% | 6.06% | 4,566.67% |
| 2024 | -21.88% | -44.00% | -21.43% | -18.18% | 88.89% | -23.53% | 10.77% | -68.06% | -16.52% | -63.54% | -11.43% | 20.97% | -95.31% |
| 2023 | -7.69% | -20.83% | 2.63% | -12.82% | -11.76% | -16.67% | 3.20% | -3.10% | -8.00% | -13.91% | 41.41% | 14.29% | -38.46% |
| 2022 | -6.25% | -22.50% | -9.25% | -30.09% | 14.24% | -19.88% | 50.00% | -29.63% | 50.88% | -20.93% | -19.12% | -5.45% | -59.38% |
| 2021 | 5.36% | 10.17% | -12.31% | 5.26% | 31.67% | -6.33% | -5.41% | -5.71% | -22.73% | -18.63% | -27.11% | 5.79% | -42.86% |
Benchmark Metrics
Defence Holdings PLC has an annualized alpha of 65.80%, beta of -0.04, and R² of 0.00 versus S&P 500 Index. Calculated based on daily prices since October 05, 2020.
- This stock participated in 161.48% of S&P 500 Index downside but only -44.88% of its upside — more exposed to losses than it benefited from rallies.
- Beta of -0.04 may look defensive, but with R² of 0.00 this stock is largely uncorrelated with S&P 500 Index — low beta reflects independence, not downside protection. See the Volatility section for a true picture of this stock's risk.
- R² of 0.00 means this stock moves largely independently of S&P 500 Index — capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- 65.80%
- Beta
- -0.04
- R²
- 0.00
- Upside Capture
- -44.88%
- Downside Capture
- 161.48%
Return for Risk
Risk / Return Rank
ALRT.L ranks 99 for risk / return — in the top 99% of stocks on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Defence Holdings PLC (ALRT.L) and compare them to a chosen benchmark (S&P 500 Index).
| ALRT.L | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 10.08 | 0.73 | +9.35 |
Sortino ratioReturn per unit of downside risk | 6.24 | 1.14 | +5.10 |
Omega ratioGain probability vs. loss probability | 1.70 | 1.18 | +0.53 |
Calmar ratioReturn relative to maximum drawdown | 35.10 | 1.24 | +33.87 |
Martin ratioReturn relative to average drawdown | 56.67 | 4.87 | +51.80 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Explore ALRT.L risk-adjusted metrics in detail
Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.
Dividends
Dividend History
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the Defence Holdings PLC. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the Defence Holdings PLC was 99.62%, occurring on Nov 25, 2024. The portfolio has not yet recovered.
The current Defence Holdings PLC drawdown is 84.24%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -99.62% | Oct 7, 2020 | 1044 | Nov 25, 2024 | — | — | — |
| -1.23% | Oct 5, 2020 | 1 | Oct 5, 2020 | 1 | Oct 6, 2020 | 2 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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Financials
Financial Performance
The chart below illustrates the trends in the financial health of Defence Holdings PLC over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.
Valuation
The Valuation section provides an overview of how Defence Holdings PLC is priced in the market compared to other companies in the Aerospace & Defense industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.
Income Statement
| TTM | |
|---|---|
Revenue | — |
Total Revenue | — |
Cost Of Revenue | — |
Gross Profit | — |
Operating Expenses | — |
Selling, General & Admin Expenses | — |
R&D Expenses | — |
Depreciation And Amortization | — |
Total Operating Expenses | — |
Income | — |
Income Before Tax | — |
Operating Income | — |
EBITDA | — |
EBIT | — |
Earnings From Continuing Operations | — |
Net Income | — |
Income Tax Expense | — |
Other Non-Operating Income (Expenses) | — |
Extraordinary Items | — |
Discontinued Operations | — |
Effect Of Accounting Charges | — |
Non Recurring | — |
Minority Interest | — |
Other Items | — |
Interest Income | — |
Interest Expense | — |
Net Interest Income | — |