- ISIN
- US74638P1093
- CUSIP
- 74638P109
- Sector
- Healthcare
- Industry
- Biotechnology
- IPO Date
- Nov 20, 2015
Highlights
- Market Cap
- $7.90K
- Enterprise Value
- -$5.38M
- EPS (TTM)
- -$185.33
- Gross Profit (TTM)
- -$224.44K
- EBITDA (TTM)
- -$5.45M
- Year Range
- $1.42 - $29.00
- ROA (TTM)
- -181.70%
- ROE (TTM)
- -269.45%
Share Price Chart
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Performance
PPBT Performance Chart
Purple Biotech Ltd. (PPBT) is down 74.1% since the beginning of the year. At $2 per share, PPBT is trading 94.1% below its 52-week high of $29. Investors who bought $1,000 worth of PPBT shares 5 years ago would now be looking at an investment worth $2.
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Returns By Period
Purple Biotech Ltd. (PPBT) has returned -74.14% so far this year and -92.61% over the past 12 months. Over the last ten years, PPBT has returned -56.92% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.
Purple Biotech Ltd.
- 1D
- 0.00%
- 1M
- -40.97%
- YTD
- -74.14%
- 6M
- -76.47%
- 1Y
- -92.61%
- 3Y*
- -82.25%
- 5Y*
- -71.64%
- 10Y*
- -56.92%
Benchmark (S&P 500 Index)
- 1D
- -0.37%
- 1M
- -0.01%
- YTD
- 9.16%
- 6M
- 8.64%
- 1Y
- 25.22%
- 3Y*
- 19.78%
- 5Y*
- 11.99%
- 10Y*
- 13.88%
PPBT Monthly Returns History
Based on dividend-adjusted daily data since Nov 20, 2015, PPBT's average daily return is -0.09%, while the average monthly return is -3.02%.
Historically, 37% of months were positive and 63% were negative. The best month was Jun 2020 with a return of +135.7%, while the worst month was Sep 2025 at -71.2%. The longest winning streak lasted 3 consecutive months, and the longest losing streak was 6 months.
On a daily basis, PPBT closed higher 44% of trading days. The best single day was Jan 15, 2019 with a return of +169.2%, while the worst single day was Jun 11, 2026 at -48.0%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -8.14% | -26.75% | -8.68% | 2.23% | -27.60% | -43.14% | -74.14% | ||||||
| 2025 | -30.70% | -8.31% | -10.74% | -9.77% | 8.33% | -9.81% | -7.89% | -7.87% | -71.15% | 36.73% | 5.24% | -20.42% | -85.98% |
| 2024 | -15.38% | 24.39% | -18.39% | -22.54% | 55.59% | -49.60% | -5.23% | 26.78% | -43.25% | -42.16% | 4.52% | 39.79% | -69.94% |
| 2023 | 15.22% | 25.79% | -10.50% | 12.85% | -13.37% | -20.29% | -21.86% | 11.01% | -1.65% | 13.45% | -22.96% | -25.00% | -43.48% |
| 2022 | -34.19% | 14.06% | 34.59% | -24.94% | -2.37% | -17.01% | 5.44% | -6.75% | -13.62% | 4.98% | -8.03% | -29.59% | -64.52% |
| 2021 | 4.20% | 19.65% | -13.05% | 2.18% | 29.38% | -10.62% | 13.11% | -10.14% | -7.66% | -6.33% | -7.46% | -2.02% | 2.10% |
Benchmark Metrics
Purple Biotech Ltd. has an annualized alpha of -28.98%, beta of 0.76, and R2 of 0.01 versus S&P 500 Index. Calculated based on daily prices since November 20, 2015.
- This stock participated in 211.48% of S&P 500 Index downside but only -71.37% of its upside - more exposed to losses than it benefited from rallies.
- R2 of 0.01 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
- -28.98%
- Beta
- 0.76
- R²
- 0.01
- Upside Capture
- -71.37%
- Downside Capture
- 211.48%
Return for Risk
Risk / Return Rank
PPBT ranks 6 for risk / return — in the bottom 6% 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 Purple Biotech Ltd. (PPBT) and compare them to S&P 500 Index.
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.
| PPBT | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.74 | ||
| Sortino ratioReturn per unit of downside risk | -4.67 | ||
| Omega ratioGain probability vs. loss probability | 0.71 | 1.37 | -0.66 |
| Calmar ratioReturn relative to maximum drawdown | -0.98 | 2.78 | -3.77 |
| Martin ratioReturn relative to average drawdown | -1.28 | 12.44 | -13.72 |
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 Purple Biotech Ltd.. 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 Purple Biotech Ltd. was 99.99%, occurring on Jun 11, 2026. The portfolio has not yet recovered.
The current Purple Biotech Ltd. drawdown is 99.99%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
2026 bear market2026 | -99.99%Jun 2026 | 10y 27d | — | 10y 1moMay 2016 - now |
2016 bear market2016 | -47.87%Feb 2016 | 1mo 27d | 1mo 9d | 3mo 6dDec 2015 - Mar 2016 |
2015 bear market2015 | -25.46%Nov 2015 | 4d | 20d | 24dNov 2015 - Dec 2015 |
2016 pullback2016 | -8.70%Mar 2016 | 1d | 9d | 10dMar 2016 - Apr 2016 |
2016 pullback2016 | -7.95%Apr 2016 | 5d | 2d | 7dApr 2016 - Apr 2016 |
Drawdown Indicators
| PPBT | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.99% | -56.78% | -43.21% |
Max Drawdown (1Y)Largest decline over 1 year | -94.45% | -9.10% | -85.35% |
Max Drawdown (3Y)Largest decline over 3 years | -99.54% | -18.90% | -80.64% |
Max Drawdown (5Y)Largest decline over 5 years | -99.86% | -25.43% | -74.43% |
Max Drawdown (10Y)Largest decline over 10 years | -99.98% | -33.92% | -66.06% |
Current DrawdownCurrent decline from peak | -99.99% | -1.80% | -98.19% |
Average DrawdownAverage peak-to-trough decline | -83.96% | -10.71% | -73.25% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 71.99% | 2.03% | +69.96% |
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 Purple Biotech Ltd. 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 Purple Biotech Ltd. is priced in the market compared to other companies in the Biotechnology industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.
PB Ratio
The chart illustrates the Price-to-Book (P/B) ratio for PPBT in comparison with other companies in the Biotechnology industry. Currently, PPBT has a P/B value of 0.0. This P/B ratio is low compared to industry peers. It might indicate the stock is undervalued or that the company’s assets are not expected to generate strong returns.
Income Statement
| TTM | |
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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 | — |
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