Ribbon Communications Inc (RBBN) Key Metrics
RBBN valuation today
Trailing 12 months · as of October 18, 2026- Market cap
- $236.0M
- Enterprise value
- $682.5M
- P/E (TTM)
- 16.5
- Forward P/E
- 6.9
- PEG ratio
- 0.57
- Price / sales
- 0.3 10-yr median 0.9
- Price / book
- 0.8 10-yr median 1.1
- EV / EBITDA
- 24.3 10-yr median 13.8
- Dividend yield
- —
- Beta
- 1.37
RBBN key metrics, 2016–2025
Fiscal year ended December 31, 2025 · U.S. dollarsRBBN valuation Price multiples at each fiscal year-end price.
RBBN returns How much profit the business earns on the capital it uses.
RBBN per-share figures Results divided by the shares outstanding at year-end.
RBBN financial health Debt, liquidity and how easily interest is covered.
RBBN efficiency & capital use Working capital cycle and where the cash goes.
RBBN valuation history
RBBN returns on capital
Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.
RBBN debt vs cash
Debt includes short- and long-term borrowings and, where reported, lease liabilities.
RBBN cash returned to shareholders
RBBN price vs earnings per share
RBBN key metrics
2016–2025| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Valuation | ||||||||||
| Market capitalization | $517.9M | $724.0M | $494.2M | $437.1M | $892.8M | $948.9M | $340.2M | $500.9M | $454.7M | $311.1M |
| Enterprise value | $826.6M | $1.02B | $754.6M | $757.9M | $1.23B | $1.29B | $396.9M | $529.0M | $422.9M | $220.2M |
| P/E ratio | 13.1 | — | — | — | — | 10.7 | — | — | — | — |
| Price / sales | 0.6 | 0.9 | 0.6 | 0.5 | 1.1 | 1.1 | 0.6 | 0.9 | 1.4 | 1.2 |
| Price / book | 1.2 | 1.8 | 1.1 | 0.8 | 1.7 | 1.4 | 0.7 | 0.8 | 0.7 | 1.4 |
| Price / free cash flow | 19.9 | 26.5 | 65.0 | — | 435.5 | 12.7 | 7.6 | — | 111.4 | 21.4 |
| Price / operating cash flow | 10.1 | 14.4 | 28.9 | — | 46.5 | 9.3 | 6.1 | — | 56.3 | 16.2 |
| EV / sales | 1.0 | 1.2 | 0.9 | 0.9 | 1.5 | 1.5 | 0.7 | 0.9 | 1.3 | 0.9 |
| EV / EBITDA | 13.8 | 11.2 | 17.4 | — | — | 6.7 | — | — | — | 53.0 |
| EV / free cash flow | 31.7 | 37.3 | 99.2 | — | 600.9 | 17.3 | 8.8 | — | 103.6 | 15.1 |
| Earnings yield | 7.7% | −7.5% | −13.4% | −22.4% | −19.8% | 9.3% | −38.2% | −15.3% | −7.8% | −4.5% |
| Free cash flow yield | 5.0% | 3.8% | 1.5% | −9.1% | 0.2% | 7.9% | 13.2% | −3.5% | 0.9% | 4.7% |
| Dividend yield | — | 0.4% | 0.8% | 0.6% | 1.6% | 0.2% | 0.3% | — | 87.5% | — |
| Shareholder yield (dividends + buybacks) | 1.7% | 8.2% | 1.7% | 1.3% | 3.2% | 0.3% | 1.6% | 0.0% | 89.2% | 3.1% |
| Share price at fiscal year-end | $2.88 | $4.16 | $2.90 | $2.79 | $6.05 | $6.56 | $3.10 | $4.82 | $7.73 | $6.30 |
| Per share | ||||||||||
| Revenue per share | $4.70 | $4.79 | $4.85 | $5.23 | $5.73 | $5.83 | $5.13 | $5.56 | $5.61 | $5.11 |
| Earnings per share | $0.22 | −$0.31 | −$0.39 | −$0.63 | −$1.20 | $0.61 | −$1.19 | −$0.74 | −$0.60 | −$0.28 |
| Operating cash flow per share | $0.29 | $0.29 | $0.10 | −$0.17 | $0.13 | $0.70 | $0.51 | −$0.09 | $0.14 | $0.39 |
| Free cash flow per share | $0.14 | $0.16 | $0.04 | −$0.25 | $0.01 | $0.52 | $0.41 | −$0.17 | $0.07 | $0.29 |
| Cash per share | $0.54 | $0.50 | $0.16 | $0.43 | $0.70 | $0.89 | $0.41 | $0.49 | $1.26 | $1.90 |
| Book value per share | $2.50 | $2.32 | $2.66 | $3.31 | $3.57 | $4.75 | $4.40 | $5.68 | $10.46 | $4.44 |
| Tangible book value per share | $0.03 | −$0.48 | −$0.51 | −$0.49 | −$0.84 | −$1.02 | $0.41 | −$0.43 | $0.60 | $2.83 |
| Dividends per share | — | $0.02 | $0.02 | $0.02 | $0.10 | $0.01 | $0.01 | — | $6.76 | — |
| Capex per share | $0.14 | $0.13 | $0.06 | $0.09 | $0.12 | $0.18 | $0.10 | $0.08 | $0.07 | $0.09 |
| Debt per share | $2.25 | $2.20 | $1.68 | $2.48 | $3.00 | $3.28 | $0.92 | $0.76 | $0.72 | $0.06 |
| Shares outstanding | 179.8M | 174.0M | 170.4M | 156.7M | 147.6M | 144.7M | 109.7M | 103.9M | 58.8M | 49.4M |
| Change in shares outstanding | +3.3% | +2.1% | +8.8% | +6.2% | +2.0% | +31.8% | +5.6% | +76.7% | +19.1% | −0.4% |
| Returns & profitability | ||||||||||
| Return on equity (ROE) | 9.3% | −12.7% | −13.6% | −18.8% | −29.2% | 15.1% | −24.2% | −12.7% | −8.4% | −6.3% |
| Return on invested capital (ROIC) | 2.2% | 1.9% | −0.4% | −4.5% | −9.8% | 0.2% | −25.8% | −8.6% | −12.3% | −7.8% |
| Return on assets (ROA) | 3.3% | −4.7% | −5.5% | −7.5% | −12.2% | 7.5% | −14.7% | −8.2% | −5.8% | −4.5% |
| Return on tangible assets | 5.2% | −8.0% | −10.9% | −14.9% | −25.5% | 12.4% | −34.5% | −23.8% | −10.7% | −6.1% |
| Free cash flow margin | 3.1% | 3.3% | 0.9% | −4.9% | 0.2% | 8.9% | 8.0% | −3.0% | 1.2% | 5.8% |
| Income quality (OCF / net income) | 1.30 | — | — | — | — | 1.15 | — | — | — | — |
| Financial health | ||||||||||
| Total debt | $405.1M | $383.7M | $287.0M | $387.9M | $442.9M | $474.2M | $101.4M | $79.1M | $42.5M | $2.8M |
| Cash & short-term investments | $96.4M | $87.8M | $26.6M | $67.1M | $103.9M | $128.4M | $44.6M | $51.0M | $74.3M | $93.8M |
| Net debt | $308.7M | $295.9M | $260.4M | $320.8M | $339.0M | $345.8M | $56.8M | $28.1M | −$31.8M | −$91.0M |
| Debt / equity | 0.90 | 0.95 | 0.63 | 0.75 | 0.84 | 0.69 | 0.21 | 0.13 | 0.07 | 0.01 |
| Debt / assets | 0.33 | 0.33 | 0.25 | 0.31 | 0.33 | 0.31 | 0.12 | 0.08 | 0.05 | 0.01 |
| Net debt / EBITDA | 5.16 | 3.24 | 6.02 | — | — | 1.80 | — | — | — | −21.92 |
| Current ratio | 1.44 | 1.41 | 1.23 | 1.45 | 1.40 | 1.37 | 1.35 | 0.96 | 1.16 | 2.31 |
| Quick ratio | 1.19 | 1.17 | 1.00 | 1.22 | 1.24 | 1.23 | 1.28 | 0.88 | 1.07 | 2.07 |
| Interest coverage | 0.5 | 0.5 | -0.1 | -2.9 | -5.2 | 0.1 | -42.1 | -14.5 | -78.9 | -136.1 |
| Working capital | $139.0M | $134.8M | $77.6M | $147.5M | $136.5M | $120.0M | $72.6M | −$11.2M | $39.4M | $100.8M |
| Invested capital | $757.7M | $700.5M | $713.2M | $839.3M | $866.1M | $1.03B | $540.0M | $618.4M | $583.6M | $128.2M |
| Tangible asset value | $4.8M | −$83.8M | −$86.2M | −$77.2M | −$124.5M | −$147.4M | $45.0M | −$44.7M | $35.3M | $139.5M |
| Net current asset value | −$308.8M | −$294.3M | −$272.7M | −$259.2M | −$339.6M | −$412.8M | −$52.4M | −$88.4M | −$13.2M | $89.0M |
| Graham number | $3.52 | — | — | — | — | $8.09 | — | — | — | — |
| Graham net-net per share | −$2.52 | −$2.53 | −$2.49 | −$2.76 | −$3.24 | −$3.67 | −$1.23 | −$1.58 | −$1.47 | $1.10 |
| Capital allocation | ||||||||||
| Dividends paid | — | $2.7M | $3.9M | $2.8M | $14.4M | $1.6M | $863,000 | — | $397.9M | — |
| Share buybacks (net) | $9.0M | $56.9M | $4.5M | $2.8M | $14.5M | $1.7M | $4.5M | $0 | $7.5M | $9.5M |
| Dividend payout ratio | — | — | — | — | — | 1.8% | — | — | — | — |
| Dividends + buybacks / free cash flow | 34.4% | 217.7% | 110.6% | — | — | 4.4% | 12.0% | — | — | 65.4% |
| Capex / revenue | 3.0% | 2.7% | 1.1% | 1.7% | 2.0% | 3.2% | 1.9% | 1.4% | 1.2% | 1.8% |
| Capex / operating cash flow | 49.3% | 45.5% | 55.5% | — | 89.3% | 26.3% | 19.4% | — | 49.5% | 24.1% |
| Capex / depreciation | 0.42 | 0.36 | 0.13 | 0.18 | 0.20 | 0.34 | 0.18 | 0.13 | 0.16 | 0.30 |
| Stock-based compensation / revenue | 2.3% | 1.9% | 2.6% | 2.3% | 2.3% | 1.6% | 2.2% | 1.9% | 7.8% | 7.8% |
| R&D / revenue | 21.2% | 21.6% | 23.1% | 24.8% | 23.1% | 23.1% | 25.1% | 25.2% | 30.8% | 28.8% |
| SG&A / revenue | 23.4% | 24.8% | 23.3% | 24.3% | 24.1% | 24.0% | 28.4% | 33.6% | 39.7% | 41.4% |
| Efficiency | ||||||||||
| Days sales outstanding | 105.1 | 114.5 | 118.3 | 122.5 | 112.5 | 93.1 | 123.3 | 111.5 | 121.1 | 76.1 |
| Days of inventory on hand | 64.4 | 72.5 | 62.5 | 56.4 | 45.5 | 28.1 | 27.7 | 29.7 | 56.2 | 88.9 |
| Days payables outstanding | 68.3 | 80.0 | 73.9 | 84.1 | 73.2 | 44.0 | 56.9 | 61.7 | 74.4 | 26.8 |
| Cash conversion cycle (days) | 101.2 | 107.0 | 106.9 | 94.8 | 84.8 | 77.2 | 94.2 | 79.5 | 103.0 | 138.3 |
| Receivables turnover | 3.47 | 3.19 | 3.09 | 2.98 | 3.25 | 3.92 | 2.96 | 3.27 | 3.01 | 4.79 |
| Payables turnover | 5.34 | 4.56 | 4.94 | 4.34 | 4.99 | 8.29 | 6.41 | 5.91 | 4.90 | 13.63 |
| Inventory turnover | 5.67 | 5.03 | 5.84 | 6.47 | 8.02 | 12.98 | 13.16 | 12.28 | 6.49 | 4.11 |
| Asset turnover | 0.71 | 0.72 | 0.69 | 0.63 | 0.58 | 0.71 | 0.64 | 0.62 | 0.54 | 0.81 |
| Average receivables | $243.3M | $261.6M | $267.8M | $275.1M | $260.3M | $215.2M | $190.3M | $176.5M | $109.5M | $52.7M |
| Average payables | $83.8M | $86.5M | $90.5M | $96.5M | $80.3M | $47.4M | $38.4M | $45.6M | $26.2M | $6.2M |
| Average inventory | $79.0M | $78.3M | $76.5M | $64.7M | $49.9M | $30.3M | $18.7M | $22.0M | $19.8M | $20.7M |
| Intangibles / total assets | 36.6% | 42.0% | 47.1% | 47.4% | 48.3% | 53.9% | 53.8% | 66.3% | 63.7% | 25.8% |
Computed from RBBN's annual financial statements (latest annual report filed February 26, 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.
RBBN valuation and financial ratios
At the end of fiscal 2025 (December 31, 2025), Ribbon Communications traded at 13.1 times earnings. Based on the latest twelve months, the trailing P/E is 16.5 and the forward P/E is 6.9. Ribbon Communications earned a return on equity of 9.3% and a return on invested capital of 2.2% in fiscal 2025. It ended the year with $405.1 million of debt and $96.4 million in cash and short-term investments, net debt of $308.7 million. It returned $9.0 million to shareholders: $0 in dividends and $9.0 million in share buybacks, 34% of free cash flow. The share count rose 264.1% from 49.4M to 179.8M over 9 years.
See the RBBN income statement, the RBBN chart for price history, or the RBBN stock overview for the latest quote and news.
RBBN key metrics FAQ
What is Ribbon Communications's P/E ratio?
Ribbon Communications's trailing P/E ratio is 16.5 based on the last twelve months of earnings (as of October 18, 2026), and its forward P/E is 6.9. At the end of fiscal 2025 it was 13.1.
What is Ribbon Communications's EV/EBITDA?
Ribbon Communications's enterprise value was 13.8 times EBITDA at the end of fiscal 2025 (enterprise value $826.6 million, EBITDA $59.8 million); the current EV/EBITDA is 24.3.
What is Ribbon Communications's return on equity?
Ribbon Communications's return on equity (ROE) was 9.3% in fiscal 2025: net income of $39.6 million on average shareholders' equity of $426.8 million.
What is Ribbon Communications's ROIC?
Ribbon Communications's return on invested capital was 2.2% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.
How much debt does Ribbon Communications have?
Ribbon Communications had total debt of $405.1 million at the end of fiscal 2025, a debt-to-equity ratio of 0.90 and $308.7 million of net debt (5.16 times EBITDA).
Does Ribbon Communications buy back its shares?
Yes. Ribbon Communications spent $9.0 million on net share repurchases in fiscal 2025 Shares outstanding changed +3.3% over the year, to 179.8M..
What is Ribbon Communications's free cash flow yield?
Ribbon Communications generated $26.1 million of free cash flow in fiscal 2025, a free cash flow yield of 5.0% on its market value at year-end ($517.9 million).
What is Ribbon Communications's current ratio?
Ribbon Communications's current ratio was 1.44 at the end of fiscal 2025: current assets were 1.44 times current liabilities.