Share Price Chart
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Performance
Performance Chart
The chart shows the growth of an initial investment of €10,000 in Rubean AG, 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
R1B.DE is traded in EUR, while the ^GSPC benchmark is in USD. To make them comparable, the benchmark values have been converted to EUR using the latest available exchange rates.
Returns By Period
Rubean AG (R1B.DE) has returned 1.32% so far this year and 2.67% over the past 12 months.
Rubean AG
- 1D
- 0.43%
- 1M
- -4.15%
- YTD
- 1.32%
- 6M
- -28.92%
- 1Y
- 2.67%
- 3Y*
- -9.34%
- 5Y*
- —
- 10Y*
- —
Benchmark (S&P 500 Index)
- 1D
- 2.02%
- 1M
- -2.96%
- YTD
- -3.12%
- 6M
- -0.95%
- 1Y
- 8.84%
- 3Y*
- 14.21%
- 5Y*
- 10.59%
- 10Y*
- 11.99%
Monthly Returns
Based on dividend-adjusted daily data since Feb 27, 2023, R1B.DE's average daily return is +0.02%, while the average monthly return is -0.57%.
Historically, 47% of months were positive and 53% were negative. The best month was May 2025 with a return of +30.5%, while the worst month was Aug 2025 at -22.6%. The longest winning streak lasted 4 consecutive months, and the longest losing streak was 5 months.
On a daily basis, R1B.DE closed higher 31% of trading days. The best single day was Jan 8, 2026 with a return of +56.3%, while the worst single day was May 31, 2023 at -16.4%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 12.94% | -6.41% | -4.15% | 1.32% | |||||||||
| 2025 | -7.82% | 6.70% | -5.86% | 10.67% | 30.52% | 5.38% | 16.06% | -22.64% | 5.69% | -13.08% | -11.86% | -8.43% | -6.17% |
| 2024 | -5.67% | 7.52% | -13.99% | 1.63% | -0.80% | -4.03% | 2.52% | 0.82% | -5.69% | -2.59% | -9.73% | -4.71% | -31.06% |
| 2023 | 2.88% | -13.29% | 3.23% | -8.59% | 1.71% | 15.97% | -5.07% | 6.87% | -8.57% | 0.78% | 9.30% | 1.44% |
Benchmark Metrics
Rubean AG has an annualized alpha of -12.16%, beta of 0.81, and R² of 0.04 versus S&P 500 Index. Calculated based on daily prices since February 28, 2023.
- This stock participated in 183.93% of S&P 500 Index downside but only 1.65% of its upside — more exposed to losses than it benefited from rallies.
- R² of 0.04 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
- -12.16%
- Beta
- 0.81
- R²
- 0.04
- Upside Capture
- 1.65%
- Downside Capture
- 183.93%
Return for Risk
Risk / Return Rank
R1B.DE ranks 45 for risk / return — on par with similar stocks. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Rubean AG (R1B.DE) and compare them to a chosen benchmark (S&P 500 Index).
| R1B.DE | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.03 | 0.43 | -0.40 |
Sortino ratioReturn per unit of downside risk | 0.82 | 0.73 | +0.10 |
Omega ratioGain probability vs. loss probability | 1.12 | 1.11 | 0.00 |
Calmar ratioReturn relative to maximum drawdown | 0.05 | 0.67 | -0.61 |
Martin ratioReturn relative to average drawdown | 0.09 | 2.80 | -2.72 |
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 R1B.DE 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 Rubean AG. 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 Rubean AG was 48.57%, occurring on Mar 19, 2026. The portfolio has not yet recovered.
The current Rubean AG drawdown is 47.20%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -48.57% | Jul 22, 2025 | 168 | Mar 19, 2026 | — | — | — |
| -48.39% | Nov 9, 2023 | 356 | Apr 4, 2025 | 40 | Jun 4, 2025 | 396 |
| -20.98% | Mar 1, 2023 | 92 | Jul 11, 2023 | 35 | Aug 29, 2023 | 127 |
| -18.35% | Jun 10, 2025 | 5 | Jun 16, 2025 | 23 | Jul 17, 2025 | 28 |
| -14.48% | Aug 30, 2023 | 46 | Nov 1, 2023 | 4 | Nov 7, 2023 | 50 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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