Monday 12 October 2026
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Ribbon Communications Inc.
RBBN Technology Software Application
Ribbon Communications Inc.’s revenue for fiscal 2025 (year ended December 2025) was $844.6 million, up 1.28% from fiscal 2024. In the quarter to June 2026, revenue fell 12.8%, EPS fell 150.0%, free cash flow fell 152.4% and total debt fell 2.09%, each against the same quarter a year earlier. Revenue growth for three consecutive years, operating cash flow growth for three; insiders bought in the last twelve months.
1.58
0.12
−7.06%
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| Dec '16 | Dec '17 | Dec '18 | Dec '19 | Dec '20 | Dec '21 | Dec '22 | Dec '23 | Dec '24 | Dec '25 | |
|---|---|---|---|---|---|---|---|---|---|---|
P/E ratio |
0.00 | 0.00 | 0.00 | 0.00 | 11.71 | 0.00 | 0.00 | 0.00 | 0.00 | 12.52 |
Piotroski F-Score |
6 | 2 | 3 | 4 | 6 | 4 | 5 | 6 | 6 | 6 |
P/S ratio |
1.26 | 1.38 | 0.87 | 0.60 | 1.08 | 1.06 | 0.53 | 0.62 | 0.87 | 0.60 |
Altman Z-Score |
(1.55) | (0.51) | (0.48) | (1.53) | 0.21 | (0.30) | (0.60) | (0.70) | (0.42) | (0.55) |
P/FCF ratio |
18.95 | 88.32 | 0.00 | 7.41 | 7.63 | 285.80 | 0.00 | 67.89 | 26.45 | 19.48 |
Altman Z″-Score (non-manufacturers) |
(6.54) | (1.77) | (2.72) | (4.52) | (1.13) | (2.53) | (2.52) | (3.34) | (3.00) | (2.78) |
Beneish M-Score |
(2.89) | (0.89) | (2.47) | (3.51) | (2.25) | (3.10) | (2.74) | (2.78) | (3.06) | (2.53) |
P/Operating CF |
34.73 | (470.82) | 35.92 | 10.29 | 25.10 | 79.13 | 26.76 | 25.64 | 11.72 | 17.36 |
P/B ratio |
1.45 | 0.74 | 0.85 | 0.70 | 1.33 | 1.69 | 0.83 | 1.14 | 1.79 | 1.13 |
Price to Tangible BV |
2.28 | 12.90 | 0.00 | 7.56 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 106.65 |
EV/Sales |
0.89 | 1.28 | 0.92 | 0.63 | 1.38 | 1.37 | 0.84 | 0.87 | 1.16 | 0.88 |
EV/EBITDA |
120.80 | 0.00 | 0.00 | 9.68 | 13.58 | 13.36 | 22.64 | 16.28 | 12.45 | 12.29 |
EV/Operating CF |
11.71 | 52.41 | (55.13) | 6.32 | 11.43 | 60.30 | (26.17) | 42.27 | 19.32 | 14.45 |
EV/FCF |
13.41 | 82.15 | (32.20) | 7.66 | 9.72 | 370.24 | (17.28) | 94.96 | 35.45 | 28.50 |
Quick Ratio |
1.92 | 0.99 | 0.82 | 1.15 | 1.14 | 1.13 | 1.01 | 0.87 | 1.05 | 1.05 |
Current Ratio |
2.31 | 1.16 | 0.96 | 1.35 | 1.37 | 1.40 | 1.45 | 1.23 | 1.41 | 1.44 |
Net Debt/EBITDA |
(48.77) | 1.32 | (6.57) | 0.33 | 2.91 | 3.05 | 8.50 | 4.64 | 3.16 | 3.89 |
Debt/Assets |
0.97% | 4.67% | 8.26% | 6.93% | 24.85% | 27.47% | 25.99% | 20.33% | 28.98% | 27.49% |
Debt/Equity |
0.01 | 0.07 | 0.13 | 0.12 | 0.56 | 0.70 | 0.63 | 0.51 | 0.83 | 0.74 |
Asset Turnover |
0.81 | 0.54 | 0.62 | 0.64 | 0.71 | 0.58 | 0.63 | 0.69 | 0.72 | 0.71 |
Operating CF/Net income |
(1.38) | (0.23) | 0.12 | (0.43) | 1.15 | (0.11) | 0.27 | (0.26) | (0.93) | 1.30 |
Capex/Depreciation |
(0.22) | (0.11) | (0.13) | (0.05) | 0.20 | (0.08) | (0.17) | (0.14) | (0.37) | (0.40) |
Interest Coverage |
17.70 | 210.00 | (15.46) | (48.87) | 0.08 | (7.44) | (2.44) | (0.89) | 0.50 | (0.08) |
| (6.30%) | (8.45%) | (12.74%) | (24.23%) | 15.14% | (29.19%) | (18.76%) | (13.63%) | (12.65%) | 9.29% | |
| (4.49%) | (5.78%) | (8.22%) | (14.68%) | 7.50% | (12.24%) | (7.54%) | (5.52%) | (4.70%) | 3.34% | |
ROIC |
(6.63%) | (5.91%) | (6.61%) | (23.92%) | 0.11% | (9.31%) | (3.88%) | (2.30%) | 1.62% | (0.30%) |
Return on Tangible Assets |
(12.37%) | (54.91%) | (485.43%) | (128.11%) | 52.45% | (96.18%) | (51.00%) | (55.42%) | (27.79%) | 19.38% |
Average Days of Receivables |
77.83 | 182.70 | 118.65 | 124.91 | 102.84 | 122.21 | 118.99 | 118.56 | 111.49 | 100.22 |
Research and Development Expense of Revenue |
28.84% | 30.76% | 25.17% | 25.05% | 23.05% | 23.07% | 24.85% | 23.07% | 21.58% | 21.18% |
Selling, General and Administrative Expense of Revenue |
41.37% | 39.72% | 31.76% | 28.45% | 24.01% | 24.14% | 24.25% | 23.29% | 24.77% | 23.36% |
Intangible Assets out of Total Assets |
0.26 | 0.64 | 0.66 | 0.54 | 0.54 | 0.48 | 0.47 | 0.47 | 0.42 | 0.37 |
Share Based Compensation of Revenue |
7.83% | 7.78% | 1.92% | 2.24% | 1.65% | 2.30% | 2.28% | 2.64% | 1.93% | 2.30% |
Graham Net Nets |
0.28 | (0.03) | (0.18) | (0.15) | (0.45) | (0.38) | (0.60) | (0.53) | (0.41) | (0.61) |
Graham Number |
0.00 | 0.00 | 0.00 | 0.00 | 7.89 | 0.00 | 0.00 | 0.00 | 0.00 | 3.63 |
Earnings Yield |
(4.35%) | (7.79%) | (15.77%) | (38.23%) | 8.54% | (19.83%) | (24.36%) | (13.20%) | (7.69%) | 7.99% |
Free Cash Flow Yield |
5.28% | 1.13% | (3.28%) | 13.50% | 13.10% | 0.35% | (9.27%) | 1.47% | 3.78% | 5.13% |
Revenue per Share |
5.11 | 5.61 | 5.56 | 5.13 | 6.07 | 5.73 | 5.23 | 4.85 | 4.79 | 4.79 |
Operating CF per Share |
0.39 | 0.14 | (0.09) | 0.51 | 0.73 | 0.13 | (0.17) | 0.10 | 0.29 | 0.29 |
Capex per Share |
(0.07) | (0.06) | (0.08) | (0.10) | 0.12 | (0.12) | (0.09) | (0.06) | (0.13) | (0.14) |
Free Cash Flow per Share |
0.32 | 0.08 | (0.17) | 0.41 | 0.85 | 0.01 | (0.25) | 0.04 | 0.16 | 0.15 |
Cash per Share |
1.90 | 1.26 | 0.49 | 0.41 | 0.98 | 0.72 | 0.43 | 0.16 | 0.52 | 0.56 |
Shareholders Equity per Share |
4.44 | 10.46 | 5.68 | 4.40 | 4.94 | 3.57 | 3.31 | 2.66 | 2.32 | 2.55 |
Interest Debt per Share |
0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Book value per Share |
4.44 | 10.46 | 5.68 | 4.40 | 4.94 | 3.57 | 3.31 | 2.66 | 2.32 | 2.55 |
Free Cash Flow |
15.86 | 4.66 | (17.50) | 44.86 | 118.34 | 2.05 | (39.92) | 7.61 | 27.37 | 26.06 |
Working Capital |
100.85 | 39.42 | (11.22) | 72.56 | 120.02 | 136.54 | 147.49 | 77.65 | 134.79 | 139.01 |
Capital Expenditures |
(3.33) | (3.42) | (7.91) | (10.82) | 16.78 | (17.13) | (13.55) | (9.48) | (22.87) | (25.34) |
Net Current Asset Value |
88.98 | (13.24) | (88.43) | (52.36) | (412.77) | (339.58) | (259.15) | (272.67) | (294.27) | (308.78) |
EV/EBIT |
0.00 | 0.00 | 0.00 | 0.00 | 695.32 | 0.00 | 0.00 | 0.00 | 57.52 | 0.00 |
Capex to Sales |
0.01 | 0.01 | 0.01 | 0.02 | (0.02) | 0.02 | 0.02 | 0.01 | 0.03 | 0.03 |
Price to Operating Income |
0.00 | 0.00 | 0.00 | 0.00 | 546.18 | 0.00 | 0.00 | 0.00 | 42.91 | 0.00 |
| Other line items | ||||||||||
Depreciation/Fixed assets |
1.32 | 1.25 | 2.26 | 7.79 | 1.71 | 4.29 | 1.76 | 1.64 | 1.01 | 0.97 |
Cash ROIC |
5.02% | 0.64% | (2.43%) | 7.68% | 9.80% | 0.20% | (4.38%) | 1.07% | 3.29% | 2.96% |
Accounts Receivable Turnover |
4.79 | 3.01 | 3.27 | 2.96 | 3.92 | 3.25 | 2.98 | 3.09 | 3.19 | 3.47 |
Accounts Payable Turnover |
13.63 | 4.90 | 5.06 | 6.41 | 8.29 | 4.99 | 4.34 | 4.62 | 4.56 | 5.06 |
Inventory Turnover |
4.11 | 6.49 | 10.50 | 13.16 | 12.98 | 8.02 | 6.47 | 5.47 | 5.03 | 5.37 |
Average Days of Payables |
28.03 | 130.29 | 71.71 | 46.60 | 58.87 | 88.56 | 83.50 | 74.32 | 81.22 | 68.75 |
Days of Inventory on Hand |
78.53 | 60.54 | 35.78 | 21.96 | 42.49 | 49.28 | 65.73 | 67.65 | 73.28 | 67.86 |
Average Receivables |
52.70 | 109.51 | 176.50 | 190.28 | 215.22 | 260.33 | 275.08 | 267.83 | 261.57 | 243.30 |
Average Payables |
6.24 | 26.19 | 45.58 | 38.36 | 47.40 | 80.25 | 96.47 | 90.49 | 86.46 | 83.80 |
Average Inventory |
20.70 | 19.79 | 21.95 | 18.70 | 30.28 | 49.90 | 64.73 | 76.47 | 78.35 | 78.99 |
Average Assets |
310.48 | 609.47 | 934.02 | 886.03 | 1,181.09 | 1,447.50 | 1,301.65 | 1,199.86 | 1,153.35 | 1,187.40 |
Average Common Equity |
221.07 | 417.27 | 602.86 | 536.78 | 585.05 | 607.01 | 522.80 | 485.60 | 428.69 | 426.81 |
Columns are period end dates