Purple Biotech Ltd. (PPBT) Key Metrics

NASDAQ: PPBTValuation, returns, debt and efficiency ratios over 10 years.

PPBT valuation today

Trailing 12 months · as of October 18, 2026
Market cap
$1.9M
Enterprise value
$4.8M
P/E (TTM)
—
Forward P/E
—
PEG ratio
—
Price / sales
58.1
Price / book
0.2
10-yr median 5.2
EV / EBITDA
—
Dividend yield
—
Beta
−0.55

PPBT key metrics, 2016–2025

Fiscal year ended December 31, 2025 · U.S. dollars

PPBT valuation Price multiples at each fiscal year-end price.

Price / book+39.0%
3.3
2025 · hover or tap a bar for each year
2020: 5.52021: 10.5 (+91.0%)2022: 5.3 (−49.5%)2023: 5.0 (−5.1%)2024: 2.3 (−53.6%)2025: 3.3 (+39.0%)
20162025
Free cash flow yield+1.1 pts
−17.5%
2025 · hover or tap a bar for each year
2020: −2.8%2021: −2.2% (+0.5 pts)2022: −6.8% (−4.5 pts)2023: −11.5% (−4.7 pts)2024: −18.7% (−7.1 pts)2025: −17.5% (+1.1 pts)
20162025

PPBT valuation history

Fiscal year-endToday10-year median

PPBT returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

PPBT debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

PPBT price vs earnings per share

Share price at year-endEPS (right axis)

PPBT key metrics

2016–2025
Purple Biotech Ltd. key metrics by fiscal year
2025202420232022202120202019201820172016
Valuation
Market capitalization$31.6M$76.9M$172.6M$249.5M$683.4M$438.2M————
Enterprise value$22.3M$68.6M$157.6M$217.9M$636.9M$381.2M————
Price / sales——881.7——438.2————
Price / book3.32.35.05.310.55.5————
EV / sales——804.8——381.2————
Earnings yield−83.5%−9.4%−11.5%−8.7%−2.7%−6.4%————
Free cash flow yield−17.5%−18.7%−11.5%−6.8%−2.2%−2.8%————
Dividend yield0.0%0.0%0.0%0.0%0.0%0.0%————
Shareholder yield (dividends + buybacks)0.0%0.0%0.0%0.0%0.0%0.0%————
Share price at fiscal year-end$6.58$46.90$156.00$276.00$778.00$762.00$1,560.00$1,320.00$4,560.00$6,220.00
Per share
Revenue per share$0.00$0.00$0.18$0.00$0.00$1.74————
Earnings per share−$5.50−$4.42−$17.96−$23.97−$20.93−$49.04————
Operating cash flow per share−$1.15−$8.76−$18.00−$18.51−$17.36−$21.03————
Free cash flow per share−$1.15−$8.76−$18.01−$18.76−$17.49−$21.30————
Cash per share$1.99$5.20$13.93$35.52$53.73$100.53————
Book value per share$2.02$20.04$30.91$51.89$73.80$138.07————
Tangible book value per share$0.49$3.06−$19.75$29.01$50.48$102.45————
Dividends per share$0.00$0.00$0.00$0.00$0.00$0.00————
Capex per share$0.00$0.00$0.00$0.25$0.13$0.27————
Debt per share$0.05$0.11$0.32$0.57$0.85$1.56————
Shares outstanding4.8M1.6M1.1M904K878K575K————
Change in shares outstanding+192.8%+48.2%+22.4%+2.9%+52.8%—————
Returns & profitability
Return on equity (ROE)−124.0%−21.6%−49.0%−38.8%−25.5%−62.8%−55.9%−58.3%−117.7%−106.3%
Return on invested capital (ROIC)−174.2%−39.8%−102.1%−106.0%−69.4%−78.8%−117.6%−118.1%−492.4%—
Return on assets (ROA)−96.6%−17.8%−40.2%−34.7%−23.9%−57.2%−39.7%−36.0%−83.7%−94.3%
Return on tangible assets−258.4%−78.7%—−63.8%−37.0%−44.5%−68.5%−60.8%−152.0%−81.3%
Free cash flow margin——————−559.2%−849.6%——
Financial health
Total debt$243,996$183,000$351,000$515,000$749,000$895,000$223,000—$1.7M—
Cash & short-term investments$9.6M$8.5M$15.4M$32.1M$47.2M$57.8M$6.4M$5.2M$3.9M$14.7M
Net debt−$9.3M−$8.3M−$15.1M−$31.6M−$46.5M−$56.9M−$6.2M−$5.2M−$2.2M−$14.7M
Debt / equity0.030.010.010.010.010.010.02—0.24—
Debt / assets0.010.000.010.010.010.010.02—0.12—
Current ratio1.272.231.634.7111.4119.142.342.571.9611.70
Quick ratio1.272.231.634.7111.4119.142.762.331.9617.84
Interest coverage-704.1-268.4-397.7-337.4-227.0-236.4-39.5-869.6-460.2—
Working capital$2.1M$4.9M$6.1M$26.2M$44.2M$56.2M$4.8M$5.2M$3.9M$13.6M
Invested capital$383,994$24.5M$19.1M$15.3M$18.4M$22.5M$4.3M$5.4M$5.1M−$1.3M
Tangible asset value$2.3M$5.1M−$21.8M$26.4M$44.6M$59.3M$4.7M$4.8M$2.4M$13.4M
Net current asset value$2.0M$4.8M$5.8M$25.7M$43.4M$55.2M$4.4M$4.8M$2.4M$13.4M
Graham net-net per share$0.37$2.81$5.02$27.20$47.94$94.14————
Capital allocation
Dividends paid$0$0$0$0$0$0$0$0$0$0
Capex / revenue——1.5%——15.6%1.1%1.6%13.0%—
Capex / depreciation0.010.000.021.130.500.660.062.293.255.00
Stock-based compensation / revenue——957.6%——264.5%127.2%77.3%2,308.0%—
R&D / revenue——8,699.5%——728.9%227.8%526.8%4,640.0%—
SG&A / revenue——2,473.9%——594.3%607.8%518.8%6,388.0%—
Efficiency
Days sales outstanding——382.1——363.7408.1271.2——
Days of inventory on hand——————-1,631,093.8———
Days payables outstanding3,144.14,893.25,273.95,482,604.28,862,863.61,884.04,448,437.5———
Cash conversion cycle (days)——-4,891.7——-1,520.3-6,079,123.2———
Receivables turnover0.000.000.96——1.000.891.35—0.00
Payables turnover0.120.070.070.000.000.190.000.000.00—
Inventory turnover———————0.00——
Asset turnover0.000.000.000.000.000.020.070.070.010.00
Average receivables$215,000$240,000$205,000——$996,500$1.1M$743,000—$137,500
Average payables$1.8M$2.5M$2.8M$1.8M$1.3M$1.2M$975,000$460,000$365,000$434,000
Average inventory——————−$357,500$778,000—−$4.0M
Intangibles / total assets41.9%75.2%126.5%37.9%29.2%24.4%41.9%41.9%43.5%0.0%

Computed from PPBT's annual financial statements (latest annual report filed March 19, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

PPBT valuation and financial ratios

Purple Biotech earned a return on equity of −124.0% and a return on invested capital of −174.2% in fiscal 2025. It ended the year with $0.2 million of debt and $9.6 million in cash and short-term investments, a net cash position of $9.3 million.

See the PPBT income statement, the PPBT chart for price history, or the PPBT stock overview for the latest quote and news.

PPBT key metrics FAQ

What is Purple Biotech's return on equity?

Purple Biotech's return on equity (ROE) was −124.0% in fiscal 2025: net income of -$26.4 million on average shareholders' equity of $21.3 million.

What is Purple Biotech's ROIC?

Purple Biotech's return on invested capital was −174.2% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.

How much debt does Purple Biotech have?

Purple Biotech had total debt of $0.2 million at the end of fiscal 2025, a debt-to-equity ratio of 0.03 and more cash than debt.

Does Purple Biotech pay a dividend?

Purple Biotech did not pay a dividend in fiscal 2025.

What is Purple Biotech's free cash flow yield?

Purple Biotech generated -$5.5 million of free cash flow in fiscal 2025, a free cash flow yield of −17.5% on its market value at year-end ($31.6 million).

What is Purple Biotech's current ratio?

Purple Biotech's current ratio was 1.27 at the end of fiscal 2025: current assets were 1.27 times current liabilities.

Biotechnology key metrics