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Performance
Performance Chart
The chart shows the growth of an initial investment of €10,000 in Biotalys NV, 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
BTLS.BR 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
Biotalys NV (BTLS.BR) has returned -49.85% so far this year and -48.79% over the past 12 months.
Biotalys NV
- 1D
- 0.00%
- 1M
- -35.00%
- YTD
- -49.85%
- 6M
- -62.86%
- 1Y
- -48.79%
- 3Y*
- -34.95%
- 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 Jul 2, 2021, BTLS.BR's average daily return is -0.06%, while the average monthly return is -1.53%.
Historically, 39% of months were positive and 61% were negative. The best month was Dec 2023 with a return of +53.6%, while the worst month was Mar 2026 at -35.0%. The longest winning streak lasted 3 consecutive months, and the longest losing streak was 5 months.
On a daily basis, BTLS.BR closed higher 39% of trading days. The best single day was Nov 30, 2023 with a return of +55.5%, while the worst single day was Dec 5, 2023 at -23.3%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -2.37% | -20.97% | -35.00% | -49.85% | |||||||||
| 2025 | 10.37% | -13.81% | 5.77% | -2.73% | 14.33% | 29.97% | -3.35% | -1.08% | -0.22% | 7.47% | -6.34% | -26.42% | 2.74% |
| 2024 | -15.42% | -7.59% | -15.62% | 0.65% | -4.19% | -8.75% | 13.65% | -6.82% | 8.36% | -1.61% | -5.56% | 13.49% | -29.76% |
| 2023 | 1.18% | -6.98% | -4.06% | 5.86% | -7.38% | -2.99% | 0.68% | -6.12% | -14.86% | -32.98% | -3.49% | 53.62% | -31.32% |
| 2022 | 1.12% | -4.44% | 3.20% | 2.25% | -1.10% | 1.67% | 0.55% | -4.36% | -21.37% | 28.26% | -2.54% | -1.45% | -4.49% |
| 2021 | 7.14% | -1.60% | -4.61% | -1.42% | 1.73% | 0.85% | 1.71% |
Benchmark Metrics
Biotalys NV has an annualized alpha of -15.89%, beta of 0.20, and R² of 0.00 versus S&P 500 Index. Calculated based on daily prices since July 05, 2021.
- This stock participated in 214.45% of S&P 500 Index downside but only 57.69% of its upside — more exposed to losses than it benefited from rallies.
- Beta of 0.20 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
- -15.89%
- Beta
- 0.20
- R²
- 0.00
- Upside Capture
- 57.69%
- Downside Capture
- 214.45%
Return for Risk
Risk / Return Rank
BTLS.BR ranks 10 for risk / return — in the bottom 10% of stocks on our site. This means you're taking on significantly more risk than the returns justify. Consider whether the potential upside is worth the volatility, or explore alternatives with better risk / return profiles.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Biotalys NV (BTLS.BR) and compare them to a chosen benchmark (S&P 500 Index).
| BTLS.BR | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.82 | 0.43 | -1.25 |
Sortino ratioReturn per unit of downside risk | -1.14 | 0.73 | -1.86 |
Omega ratioGain probability vs. loss probability | 0.85 | 1.11 | -0.26 |
Calmar ratioReturn relative to maximum drawdown | -0.66 | 0.67 | -1.32 |
Martin ratioReturn relative to average drawdown | -1.71 | 2.80 | -4.51 |
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 BTLS.BR 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 Biotalys NV. 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 Biotalys NV was 78.93%, occurring on Nov 28, 2023. The portfolio has not yet recovered.
The current Biotalys NV drawdown is 78.22%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -78.93% | Aug 20, 2021 | 587 | Nov 28, 2023 | — | — | — |
| -7.29% | Jul 6, 2021 | 27 | Aug 11, 2021 | 5 | Aug 18, 2021 | 32 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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