Purple Biotech Ltd. (PPBT) P/E Ratio History
Deep ValueTrading at -0.0x · 0th percentile of 5-year range · Significant discount to historical valuation · Data 2021–2021
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P/E Ratio Analysis
As of June 28, 2026, Purple Biotech Ltd. (PPBT) trades at a price-to-earnings ratio of -0.0x, with a stock price of $1.68 and trailing twelve-month earnings per share of $-5637.08.
The current P/E is 100% below its 5-year average of 3.2x. Over the past five years, PPBT's P/E has ranged from a low of 3.2x to a high of 3.2x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Healthcare sector median P/E of 23.0x, PPBT trades at a 100% discount to its sector peers. The sector includes 231 companies with P/E ratios ranging from 0.0x to 191.4x.
Relative to the broader market, PPBT trades at a notable discount to the S&P 500 median P/E of 25.3x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our PPBT DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
PPBT Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
PPBT P/E vs Peers
Oncology Therapeutics Developers peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $317B | 17.6Lowest | 0.83Best | +8%Best |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
PPBT Historical P/E Data (2021–2021)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2021 Q2 | Jun 30 2021 | $976.00 | $302.20 | 3.2x | +0% |
Average P/E for displayed period: 3.2x
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
5+ years return with dividends reinvested.
DCA Calculator
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Peer Comparison
Compare growth, multiples, and margins vs sector.
PPBT — Frequently Asked Questions
Quick answers to the most common questions about buying PPBT stock.
What is PPBT's P/E ratio?
Purple Biotech Ltd. (PPBT) trailing twelve-month P/E ratio is -0.0x, based on TTM diluted EPS of $-5637.08. The 5-year average P/E is 3.2x and the historical range spans 3.2x to 3.2x.
Is PPBT stock overvalued or undervalued?
PPBT current P/E: -0.0x. 5-year average P/E: 3.2x. Percentile: 0th.
Is PPBT stock expensive?
PPBT is fairly valued relative to its own history. The current P/E of -0.0x is near the 5-year average of 3.2x (0th percentile of historical range).
What is PPBT's historical P/E range?
Over the past 5 years, PPBT's P/E ratio has ranged from 3.2x to 3.2x, with a median of 3.2x and an average of 3.2x. The current P/E of -0.0x places the stock at the 0th percentile of this range. Full historical data spans 2021–2021.
How does PPBT's P/E compare to the S&P 500?
PPBT current P/E: -0.0x. S&P 500 median P/E: 25.3x.
How does PPBT's valuation compare to Healthcare peers?
Purple Biotech Ltd. P/E of -0.0x can be benchmarked against Healthcare peers in the comparison table on this page.
What is PPBT's PEG ratio?
PPBT PEG ratio is N/A, based on a P/E of -0.0x and EPS growth of -24967.9%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is PPBT's earnings yield?
PPBT earnings yield is N/A, the inverse of its -0.0x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.