Latest Ratios: P/E Ratio 50.2x · EV/EBITDA 38.9x · ROE 18.5%. (1996–2025 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 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Market Cap | $11.5B | $10.1B | $5.8B | $7.6B | $3.9B | $3.4B | $2.0B | $1.5B | $832M | $1.6B | $1.6B |
| Enterprise Value | $11.3B | $9.9B | $5.7B | $7.5B | $3.8B | $3.5B | $2.0B | $1.6B | $894M | $1.6B | $1.6B |
| P/E Ratio → | 50.20 | 43.55 | 32.04 | 22.67 | — | 183.69 | — | — | — | — | 229.50 |
| P/S Ratio | 16.19 | 14.25 | 10.36 | 16.41 | 8.62 | 10.28 | 8.03 | 6.82 | 3.60 | 3.99 | 4.63 |
| P/B Ratio | 8.52 | 7.39 | 5.14 | 7.29 | 5.03 | 3.91 | 2.17 | 1.57 | 0.82 | 2.74 | 2.82 |
| P/FCF | 34.39 | 30.26 | 28.83 | 43.86 | 18.68 | 17.27 | 12.70 | 12.52 | 10.94 | 14.52 | 18.55 |
| P/OCF | 31.82 | 28.01 | 25.00 | 38.66 | 17.02 | 16.14 | 10.66 | 11.89 | 9.55 | 13.34 | 16.84 |
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 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| EV / Revenue | — | 14.05 | 10.23 | 16.27 | 8.44 | 10.56 | 8.30 | 7.24 | 3.87 | 4.05 | 4.71 |
| EV / EBITDA | 38.89 | 34.17 | 26.26 | 52.13 | 30.20 | 46.71 | 318.25 | — | — | 14.19 | 16.24 |
| EV / EBIT | 43.49 | 35.09 | 28.27 | 39.78 | — | 101.99 | — | — | — | 29.11 | 44.85 |
| EV / FCF | — | 29.84 | 28.49 | 43.49 | 18.30 | 17.74 | 13.12 | 13.28 | 11.76 | 14.75 | 18.89 |
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 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 76.0% | 76.0% | 75.4% | 69.1% | 69.0% | 70.0% | 62.8% | 65.3% | 74.3% | 78.1% | 77.9% |
| Operating Margin | 36.8% | 36.8% | 32.2% | 19.8% | 17.6% | 9.1% | -17.0% | -37.7% | -36.7% | 14.5% | 14.1% |
| Net Profit Margin | 32.6% | 32.6% | 32.3% | 72.4% | -3.1% | 5.6% | -16.4% | -40.4% | -68.3% | -5.8% | 2.0% |
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | 18.5% | 18.5% | 16.7% | 36.7% | -1.7% | 2.1% | -4.3% | -9.1% | -19.9% | -4.1% | 1.3% |
| ROA | 16.0% | 16.0% | 13.8% | 29.4% | -1.3% | 1.5% | -3.1% | -6.7% | -14.0% | -2.7% | 0.9% |
| ROIC | 17.1% | 17.1% | 13.3% | 8.2% | 7.3% | 2.3% | -3.1% | -5.9% | -7.6% | 7.3% | 6.4% |
| ROCE | 19.5% | 19.5% | 14.7% | 8.9% | 8.6% | 2.8% | -3.4% | -6.6% | -8.3% | 7.6% | 6.7% |
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 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 0.03 | 0.03 | 0.03 | 0.03 | 0.06 | 0.23 | 0.21 | 0.20 | 0.18 | 0.44 | 0.30 |
| Debt / EBITDA | 0.15 | 0.15 | 0.14 | 0.21 | 0.35 | 2.68 | 30.38 | — | — | 2.24 | 1.68 |
| Net Debt / Equity | — | -0.10 | -0.06 | -0.06 | -0.10 | 0.11 | 0.07 | 0.10 | 0.06 | 0.04 | 0.05 |
| Net Debt / EBITDA | -0.48 | -0.48 | -0.32 | -0.45 | -0.64 | 1.22 | 10.29 | — | — | 0.23 | 0.30 |
| Debt / FCF | — | -0.42 | -0.35 | -0.37 | -0.39 | 0.47 | 0.42 | 0.76 | 0.82 | 0.23 | 0.34 |
| Interest Coverage | 206.36 | 206.36 | 142.27 | 126.61 | -3.18 | 3.18 | -2.53 | -7.83 | -3.34 | 3.99 | 2.78 |
Net cash position: cash ($183M) exceeds total debt ($44M)
Short-term solvency ratios and asset-utilisation metrics
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Current Ratio | 8.20 | 8.20 | 8.44 | 7.08 | 4.16 | 2.56 | 8.15 | 7.71 | 7.62 | 2.80 | 4.23 |
| Quick Ratio | 7.84 | 7.84 | 7.89 | 6.67 | 4.00 | 2.53 | 7.98 | 7.60 | 7.52 | 2.76 | 4.12 |
| Cash Ratio | 6.32 | 6.32 | 5.89 | 4.78 | 2.47 | 1.82 | 5.85 | 4.73 | 4.01 | 2.48 | 3.36 |
| Asset Turnover | — | 0.46 | 0.41 | 0.37 | 0.45 | 0.27 | 0.20 | 0.17 | 0.17 | 0.44 | 0.43 |
| Inventory Turnover | 3.86 | 3.86 | 3.06 | 3.94 | 6.74 | 11.60 | 6.33 | 7.70 | 8.76 | 16.67 | 13.23 |
| Days Sales Outstanding | — | 83.91 | 96.97 | 105.91 | 145.32 | 199.76 | 247.04 | 372.13 | 359.12 | 24.04 | 22.88 |
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 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend Yield | — | — | — | — | — | — | — | — | — | — | — |
| Payout Ratio | — | — | — | — | — | — | — | — | — | — | — |
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Earnings Yield | 2.0% | 2.3% | 3.1% | 4.4% | — | 0.5% | — | — | — | — | 0.4% |
| FCF Yield | 2.9% | 3.3% | 3.5% | 2.3% | 5.4% | 5.8% | 7.9% | 8.0% | 9.1% | 6.9% | 5.4% |
| Buyback Yield | 0.1% | 0.1% | 2.0% | 1.3% | 2.6% | 3.0% | 2.5% | 0.0% | 6.0% | 3.2% | 0.0% |
| Total Shareholder Yield | 0.1% | 0.1% | 2.0% | 1.3% | 2.6% | 3.0% | 2.5% | 0.0% | 6.0% | 3.2% | 0.0% |
| Shares Outstanding | — | $110M | $109M | $111M | $109M | $115M | $113M | $111M | $108M | $110M | $113M |
Cyclical semiconductor demand exposure
According to current market data, Rambus trades at a forward P/E of 38.47, which, when compared to the broader semiconductor sector, suggests that investors are pricing in a sustained transition toward high-growth data center hardware despite the recent deceleration in top-line revenue expansion observed in recent quarters.
The elevated EV/EBITDA multiple of 42.16 indicates that the market is assigning a significant premium to the company's intellectual property moat and its potential for margin expansion in the DDR5 cycle. This valuation appears to hinge on the assumption that the firm can successfully pivot from legacy licensing to a product-led model without suffering the typical margin compression associated with hardware manufacturing.
Based on reported financial figures, the company's ROIC has remained relatively modest, fluctuating between 2.5% and 4.5% over the last ten quarters, which suggests that while the business model is highly profitable, the capital-intensive nature of hardware product development may be diluting the returns generated by its core IP.
The discrepancy between high gross margins and lower ROIC highlights the significant R&D and operational overhead required to maintain a competitive edge in the memory interface market. Investors should monitor whether the company can improve its capital turnover as the DDR5 product cycle matures and the initial investment in specialized engineering talent begins to yield higher incremental returns.
As indicated by the company's reported financial statements, the cash conversion cycle has remained elevated, peaking at 159 days in 2024Q1, which suggests that the firm's transition toward physical product sales is introducing greater working capital friction compared to its historical pure-play licensing business model.
The increase in days inventory outstanding, which reached 126 days in 2026Q1, warrants further investigation as it may signal a buildup of DDR5 inventory in anticipation of server refresh cycles. This trend implies that the company is increasingly exposed to the inventory management risks inherent in the semiconductor supply chain, which could impact liquidity if demand patterns shift unexpectedly.
According to recent quarterly balance sheet filings, Rambus maintains a current ratio consistently above 8.0, which provides an exceptional liquidity cushion that appears significantly stronger than most peers in the semiconductor industry, effectively insulating the firm from short-term volatility in the broader memory market.
This liquidity position is a structural strength that allows the company to navigate cyclical downturns without the need for external financing or debt-based capital. The lack of reliance on credit markets suggests that the firm is well-positioned to continue its share repurchase programs and strategic tuck-in acquisitions even during periods of industry-wide demand contraction.
The price-to-earnings ratio is frequently misapplied to Rambus because it fails to account for the significant non-cash impact of stock-based compensation and the lumpy revenue recognition patterns inherent in the firm's intellectual property licensing agreements, which can distort the perceived quality of earnings.
Analysts should instead prioritize free cash flow yield and adjusted operating margins to better capture the underlying cash-generating capacity of the business. Relying solely on GAAP P/E may lead to an inaccurate assessment of the company's valuation, as it obscures the true economic value created by the high-margin royalty streams that are often masked by accounting volatility.
Includes 30+ ratios · 30 years · Updated daily
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Quick answers to the most common questions about buying RMBS stock.
Rambus Inc.'s current P/E ratio is 50.2x. The historical average is 66.7x. This places it at the 55th percentile of its historical range.
Rambus Inc.'s current EV/EBITDA is 38.9x. This enterprise value multiple compares the company's total value (equity + debt - cash) to its EBITDA. The historical average is 28.5x.
Rambus Inc.'s return on equity (ROE) is 18.5%. The historical average is 0.2%.
Based on historical data, Rambus Inc. is trading at a P/E of 50.2x. This is at the 55th percentile of its historical P/E range. Compare with industry peers and growth rates for a complete picture.
Rambus Inc. has 76.0% gross margin and 36.8% operating margin. Operating margin above 20% indicates strong pricing power and cost efficiency.
Rambus Inc.'s Debt/EBITDA ratio is 0.1x, indicating low leverage. A ratio below 2x is generally considered financially healthy.