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The price of Ribbon Communications Inc. (RBBN) on October 9, 2026 is 1.70 USD, -1.16% on the day. Over 52 weeks the stock traded between 1.55 USD and 4.09 USD; the price now sits 6% of the way up that range. Over the past year the price changed by -54.79%. The P/E ratio is 9.5, which is below the sector median (36.4). Market capitalization is 298.36 million USD, rank 17 among 32 stocks of the same industry with a known capitalization.
Closing prices for 9 October 2026
Next earnings report: 28 October 2026 · Earnings calendar
Change over the period shown (line colour): −54.05 %
Ribbon Communications Inc. trades on Nasdaq under the ticker RBBN. The company belongs to the Technology sector. The trading history on this page starts on 22 August 2016.
Over the past 52 weeks RBBN has traded between 1.55 $ and 4.09 $. As of 9 October 2026 the price stood 5.91 % of the way from the 52-week low to the high.
Over one year RBBN shares fell 54.79 %; over six months they fell 31.17 %. Volatility over 90 days is 56.84 %. Dividends are not included: this is price change only, as of 9 October 2026.
RBBN trades at a price-to-earnings ratio of 9.5, below the sector median of 36.4. Price to sales is 0.4, below the sector median of 3.7. Price to book is 0.7, below the sector median of 4.0. Calculated from reports for the period ending 31 March 2026.
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| 9 October 2026 | 1.72 | 1.75 | 1.70 | 1.70 | 519,100 |
| 8 October 2026 | 1.82 | 1.82 | 1.71 | 1.72 | 1M |
| 7 October 2026 | 1.74 | 1.87 | 1.73 | 1.84 | 1M |
| 6 October 2026 | 1.73 | 1.78 |
The series is stated in the current share scale after splits; dividends are not included in the price
Based on the last 12 months of reports, through 31 March 2026
The sector median covers every company in the sector on the US market, loss-making ones included.
No events for this security recently.
Address:6500 CHASE OAKS BOULEVARD, PLANO, TX, 75023, US
Ribbon Communications Inc. reported revenue of 826M $ and net income of 31M $ over the last four quarters. Net margin is 3.80 %. Revenue changed by −1.15 % year over year. Earnings per share are 0.17 $. Market capitalisation is 298M $.
RBBN has a return on equity of 7.49 %, above the sector median of 1.63 %. Return on assets is 2.71 %, above the sector median of 0.49 %. Operating margin is −1.87 %, below the sector median of 1.10 %.
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| 1.70 |
| 1.77 |
| 976,000 |
| 5 October 2026 | 1.77 | 1.77 | 1.64 | 1.70 | 4M |
| 2 October 2026 | 1.75 | 1.79 | 1.72 | 1.77 | 2M |
| 1 October 2026 | 1.76 | 1.76 | 1.70 | 1.72 | 1M |
| 30 September 2026 | 1.79 | 1.83 | 1.69 | 1.76 | 1M |
| 29 September 2026 | 1.74 | 1.80 | 1.73 | 1.79 | 588,200 |
| 28 September 2026 | 1.80 | 1.80 | 1.71 | 1.73 | 1M |
| 25 September 2026 | 1.84 | 1.87 | 1.77 | 1.80 | 946,100 |
| 24 September 2026 | 1.79 | 1.84 | 1.76 | 1.82 | 1M |
| 23 September 2026 | 1.82 | 1.83 | 1.75 | 1.80 | 2M |
| 22 September 2026 | 1.82 | 1.84 | 1.78 | 1.84 | 431,400 |
| 21 September 2026 | 1.72 | 1.83 | 1.71 | 1.83 | 689,200 |
| 18 September 2026 | 1.66 | 1.77 | 1.64 | 1.72 | 2M |
| 17 September 2026 | 1.67 | 1.69 | 1.61 | 1.67 | 1M |
| 16 September 2026 | 1.80 | 1.81 | 1.55 | 1.64 | 3M |
| 15 September 2026 | 1.94 | 1.96 | 1.80 | 1.83 | 2M |
| 14 September 2026 | 1.96 | 2.04 | 1.94 | 2.00 | 432,800 |