Latest Ratios: P/E Ratio -22.1x · EV/EBITDA N/A · ROE -61.6%. (2019–2025 historical series)
Price-based multiples — how expensive the stock is relative to earnings, sales, book value, and cash flow
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 |
|---|---|---|---|---|---|---|---|---|
| Market Cap | $3.8B | $1.1B | $258M | $1.0B | $2.5B | — | — | — |
| Enterprise Value | $3.5B | $922M | $182M | $864M | $2.4B | — | — | — |
| P/E Ratio → | -22.14 | — | — | 21.03 | — | — | — | — |
| P/S Ratio | — | — | 2.95 | 2.71 | 110.55 | — | — | — |
| P/B Ratio | 10.50 | 3.74 | 1.56 | 2.38 | 7.22 | — | — | — |
| P/FCF | — | — | — | 96.49 | — | — | — | — |
| P/OCF | — | — | — | 86.44 | — | — | — | — |
P/E links to full P/E history page with 30-year chart
Enterprise-value multiples — capital-structure-neutral measures of total business value
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 |
|---|---|---|---|---|---|---|---|---|
| EV / Revenue | — | — | 2.08 | 2.27 | 108.02 | — | — | — |
| EV / EBITDA | — | — | — | 21.67 | — | — | — | — |
| EV / EBIT | — | — | — | 15.92 | — | — | — | — |
| EV / FCF | — | — | — | 80.94 | — | — | — | — |
Margins and return-on-capital ratios measuring operating efficiency
Full margin charts and quarterly trend are on the Earnings History page
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 |
|---|---|---|---|---|---|---|---|---|
| Gross Margin | — | — | 51.8% | 93.3% | 86.5% | — | -3683.7% | -734.4% |
| Operating Margin | — | — | -360.2% | 10.2% | -905.7% | — | -6000.8% | -950.5% |
| Net Profit Margin | — | — | -345.4% | 12.9% | -892.4% | — | -6504.6% | -1039.0% |
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 |
|---|---|---|---|---|---|---|---|---|
| ROE | -61.6% | -61.6% | -100.9% | 12.7% | -209.4% | — | — | — |
| ROA | -55.0% | -55.0% | -84.9% | 10.8% | -79.8% | -146.9% | -488.1% | -460.1% |
| ROIC | -132.2% | -132.2% | -132.3% | 10.5% | -363.9% | — | — | — |
| ROCE | -64.5% | -64.5% | -104.8% | 9.9% | -93.0% | -174.1% | -1426.4% | — |
Solvency and debt-coverage ratios — lower is generally safer
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 |
|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 0.02 | 0.02 | 0.01 | 0.01 | 0.02 | — | — | — |
| Debt / EBITDA | — | — | — | 0.11 | — | — | — | — |
| Net Debt / Equity | — | -0.72 | -0.46 | -0.38 | -0.17 | — | — | — |
| Net Debt / EBITDA | — | — | — | -4.16 | — | — | — | — |
| Debt / FCF | — | — | — | -15.54 | — | — | — | — |
| Interest Coverage | — | — | — | — | — | — | -17.05 | -9.75 |
Net cash position: cash ($227M) exceeds total debt ($6M)
Short-term solvency ratios and asset-utilisation metrics
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 |
|---|---|---|---|---|---|---|---|---|
| Current Ratio | 14.27 | 14.27 | 6.67 | 5.66 | 8.20 | 6.03 | 1.86 | 0.71 |
| Quick Ratio | 14.27 | 14.27 | 6.67 | 5.20 | 7.99 | 6.03 | 1.86 | 0.71 |
| Cash Ratio | 13.97 | 13.97 | 6.21 | 4.53 | 7.44 | 5.53 | 1.76 | 0.68 |
| Asset Turnover | — | — | 0.45 | 0.74 | 0.06 | — | 0.05 | 0.44 |
| Inventory Turnover | — | — | — | 0.66 | 0.31 | — | — | — |
| Days Sales Outstanding | — | — | 1.87 | 38.39 | 251.31 | — | — | — |
Earnings, FCF, buyback, and dividend yields — total returns to shareholders
Full dividend history and growth charts are on the Dividend History page
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 |
|---|---|---|---|---|---|---|---|---|
| Dividend Yield | — | — | — | — | — | — | — | — |
| Payout Ratio | — | — | — | — | — | — | — | — |
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 |
|---|---|---|---|---|---|---|---|---|
| Earnings Yield | — | — | — | 4.8% | — | — | — | — |
| FCF Yield | — | — | — | 1.0% | — | — | — | — |
| Buyback Yield | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | — | — | — |
| Total Shareholder Yield | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | — | — | — |
| Shares Outstanding | — | $95M | $68M | $70M | $67M | $58M | $56M | $56M |
Includes 30+ ratios · 7 years · Updated daily
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10-year return with dividends reinvested.
Compare growth, multiples, and margins vs sector.
Quick answers to the most common questions about buying AMLX stock.
Amylyx Pharmaceuticals, Inc.'s current P/E ratio is -22.1x. The historical average is 21.0x.
Amylyx Pharmaceuticals, Inc.'s return on equity (ROE) is -61.6%. The historical average is -89.8%.
Based on historical data, Amylyx Pharmaceuticals, Inc. is trading at a P/E of -22.1x. Compare with industry peers and growth rates for a complete picture.
Key Metrics
Top Statement Risk
Cash runway without revenue
Metrics are mathematically derived from official filings.
Liquidity Buffer Masking Rapid Burn
Despite a current ratio of 12.12 in 2026Q2, cash plummeted 78% quarter-over-quarter to $49.3M, per balance sheet data, suggesting the buffer is eroding faster than the ratio implies.
The high current ratio, driven by cash and short-term investments, appears to provide ample coverage for near-term liabilities, but the dramatic drawdown from $229.1M to $49.3M in a single quarter indicates a cash burn that could exhaust liquidity within a few quarters if not stemmed. The quick ratio equals the current ratio, reflecting negligible inventory, which is consistent with a clinical-stage model. Investors should monitor whether the burn rate stabilizes or accelerates as restructuring charges and trial costs continue.
Minimal Debt, Yet Equity Eroding
Debt-to-equity stands at 0.02, indicating negligible leverage, but retained earnings worsened to -$836.1M in 2026Q2, as per balance sheet data, suggesting equity is being consumed by operating losses.
With total debt of only $5.3M, the company faces no immediate refinancing or covenant pressure, and interest coverage is not a concern given the absence of material interest expense. However, the negative ROE of -17.0% in 2026Q2, though improving from -31.8% in 2024Q3, reflects a shrinking equity base as losses persist. The low leverage provides flexibility, but it does not offset the risk that continued cash burn without revenue could force a dilutive raise or strategic sale before the next data readout.
Working Capital Distortions Post-Withdrawal
Days payable outstanding swung wildly from 3,236 days in 2026Q1 to 20 days in 2025Q3, as per quarterly data, indicating that working capital metrics are unreliable during the wind-down phase.
The extreme volatility in DPO, with values like 3,773 days in 2025Q4, likely reflects timing of payments for clinical trial contracts and restructuring liabilities rather than operational efficiency. Asset turnover is near zero or negative, consistent with no revenue and a shrinking asset base. These metrics offer little insight into the company's operational efficiency; instead, they highlight the accounting noise from the commercial withdrawal. Investors should focus on cash burn per quarter rather than traditional working capital ratios.
Margins Obscured by Zero Revenue
Gross margin is undefined in 2026Q2 due to zero revenue, while operating margin swung from -181.9% in 2024Q3 to positive 61.1% in 2024Q4, as per financial statements, reflecting one-time items.
The profitability metrics are largely meaningless in the current period because there is no top-line to spread fixed costs over. The positive operating margin in 2024Q4 was likely driven by non-recurring gains or reversals, not sustainable operations. Net margin of -174.8% in 2024Q3 and -134.0% in 2024Q1 illustrate the pre-withdrawal losses, but the current negative margins are purely a function of ongoing R&D and G&A expenses. The true earning power cannot be assessed until a new product is approved and commercialized.
Returns Deeply Negative, No Capital Efficiency
ROIC worsened to -48.9% in 2026Q1 from -23.1% in 2024Q2, as per quarterly data, indicating that capital invested in the pipeline is not generating returns and is being consumed by clinical trials.
The negative ROIC, ranging from -23.1% to -48.9% over the past ten quarters, reflects a company in a clinical-stage pivot with no revenue to offset R&D spending. The improvement to -28.0% in 2026Q2 is modest and likely due to cost cuts, not value creation. ROE of -17.0% in 2026Q2, while less negative than prior quarters, still indicates that shareholder equity is being eroded. The company is not compounding returns; it is burning capital in hopes of a future catalyst, and investors should monitor whether the ORION and HELIOS trials can reverse this trend.
Misapplied Cash Value Floor
The P/B ratio of 6.70, as per valuation data, suggests the market prices AMLX above book value, but the common assumption that cash provides a floor may be flawed given the ongoing burn.
Investors often assume a biotech cannot trade below its cash value, but AMLX's cash balance of $49.3M in 2026Q2, down from $226.6M in 2025Q4, shows how quickly that floor can erode. The market's P/B of 6.70 implies that the remaining pipeline (PSP and Wolfram syndrome) has significant value, but if the cash is consumed without clinical success, the stock could trade at a discount to even the remaining cash. The more appropriate metric is net cash per share adjusted for expected burn, not the current ratio or P/B, which can mislead investors into overestimating downside protection.