RIBBON COMMUNICATIONS INC. Stock Price History
Complete retained RBBN history with split-adjusted close and a cumulative split-adjusted value that reinvests every dividend. Stock price history is the record of a share's closing price on every trading day, back to the earliest date this site retains. Split-adjusted close restates every older price as if today's share count had always applied, so prices from before and after a stock split can be compared directly. Cumulative dividend-reinvested close shows what one share held from the earliest retained close would be worth with every dividend reinvested and every split counted exactly once, which is the stock's total return.
- 2026-11-06: Split-adjusted close $1.34.
- 2026-09-29: Cumulative dividend-reinvested close $1.79; Split-adjusted close $1.79.
- 2026-09-28: Cumulative dividend-reinvested close $1.73; Split-adjusted close $1.73.
- 2026-09-25: Cumulative dividend-reinvested close $1.80; Split-adjusted close $1.80.
- Available history
- 2000-05-25 to 2026-11-06
- Data captured
Stock Price Chart
Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close
Logarithmic scale. Both lines share the same starting value for the selected range.
Session value = that day’s closing price × market volume on the same adjustment basis; an estimate of traded value.
Historical Stock Price — 2026-01-02 to 2026-11-06
| Date | Cumulative dividend-reinvested close | Split-adjusted close | Daily open | Daily high | Daily low | Market volume (shares) | Session value |
|---|---|---|---|---|---|---|---|
| 2026-11-06 | $1.34 | ||||||
| 2026-09-29 | $1.79 | $1.79 | |||||
| 2026-09-28 | $1.73 | $1.73 | |||||
| 2026-09-25 | $1.80 | $1.80 | |||||
| 2026-09-24 | $1.82 | $1.82 | |||||
| 2026-09-23 | $1.80 | $1.80 | |||||
| 2026-09-22 | $1.84 | $1.84 | |||||
| 2026-09-21 | $1.83 | $1.83 | |||||
| 2026-09-18 | $1.72 | $1.72 | |||||
| 2026-09-17 | $1.67 | $1.67 | |||||
| 2026-09-16 | $1.64 | $1.64 | |||||
| 2026-09-15 | $1.83 | $1.83 | |||||
| 2026-09-14 | $2.00 | $2.00 | |||||
| 2026-09-11 | $1.99 | $1.99 | |||||
| 2026-09-10 | $1.96 | $1.96 | |||||
| 2026-09-09 | $1.97 | $1.97 | |||||
| 2026-09-08 | $1.95 | $1.95 | |||||
| 2026-09-04 | $1.99 | $1.99 | |||||
| 2026-09-03 | $1.99 | $1.99 | |||||
| 2026-09-02 | $1.96 | $1.96 | |||||
| 2026-09-01 | $1.96 | $1.96 | |||||
| 2026-08-31 | $1.99 | $1.99 | |||||
| 2026-08-28 | $2.03 | $2.03 | |||||
| 2026-08-27 | $2.00 | $2.00 | |||||
| 2026-08-26 | $2.03 | $2.03 | |||||
| 2026-08-25 | $2.06 | $2.06 | |||||
| 2026-08-24 | $2.04 | $2.04 | |||||
| 2026-08-21 | $2.03 | $2.03 | |||||
| 2026-08-20 | $2.00 | $2.00 | |||||
| 2026-08-19 | $2.03 | $2.03 | |||||
| 2026-08-18 | $2.04 | $2.04 | |||||
| 2026-08-17 | $2.08 | $2.08 | |||||
| 2026-08-14 | $2.11 | $2.11 | |||||
| 2026-08-13 | $2.11 | $2.11 | |||||
| 2026-08-12 | $2.08 | $2.08 | |||||
| 2026-08-11 | $1.99 | $1.99 | |||||
| 2026-08-10 | $2.05 | $2.05 | |||||
| 2026-08-07 | $2.14 | $2.14 | |||||
| 2026-08-06 | $2.10 | $2.10 | |||||
| 2026-08-05 | $2.15 | $2.15 | |||||
| 2026-08-04 | $2.17 | $2.17 | |||||
| 2026-08-03 | $2.12 | $2.12 | |||||
| 2026-07-31 | $2.14 | $2.14 | |||||
| 2026-07-30 | $2.12 | $2.12 | |||||
| 2026-07-29 | $2.19 | $2.19 | |||||
| 2026-07-28 | $2.05 | $2.05 | |||||
| 2026-07-27 | $2.04 | $2.04 | |||||
| 2026-07-24 | $2.01 | $2.01 | |||||
| 2026-07-23 | $2.02 | $2.02 | |||||
| 2026-07-22 | $2.16 | $2.16 | |||||
| 2026-07-21 | $2.27 | $2.27 | |||||
| 2026-07-20 | $2.11 | $2.11 | |||||
| 2026-07-17 | $2.20 | $2.20 | |||||
| 2026-07-16 | $2.15 | $2.15 | |||||
| 2026-07-15 | $2.19 | $2.19 | |||||
| 2026-07-14 | $2.34 | $2.34 | |||||
| 2026-07-13 | $2.28 | $2.28 | |||||
| 2026-07-10 | $2.32 | $2.32 | |||||
| 2026-07-09 | $2.27 | $2.27 | |||||
| 2026-07-08 | $2.21 | $2.21 | |||||
| 2026-07-07 | $2.12 | $2.12 | |||||
| 2026-07-06 | $2.21 | $2.21 | |||||
| 2026-07-02 | $2.14 | $2.14 | |||||
| 2026-07-01 | $2.35 | $2.35 | |||||
| 2026-06-30 | $2.34 | $2.34 | |||||
| 2026-06-29 | $2.22 | $2.22 | |||||
| 2026-06-26 | $2.20 | $2.20 | |||||
| 2026-06-25 | $2.25 | $2.25 | |||||
| 2026-06-24 | $2.31 | $2.31 | |||||
| 2026-06-23 | $2.40 | $2.40 | |||||
| 2026-06-22 | $2.49 | $2.49 | |||||
| 2026-06-18 | $2.56 | $2.56 | |||||
| 2026-06-17 | $2.56 | $2.56 | |||||
| 2026-06-16 | $2.61 | $2.61 | |||||
| 2026-06-15 | $2.72 | $2.72 | |||||
| 2026-06-12 | $2.69 | $2.69 | |||||
| 2026-06-11 | $2.70 | $2.70 | |||||
| 2026-06-10 | $2.62 | $2.62 | |||||
| 2026-06-09 | $2.66 | $2.66 | |||||
| 2026-06-08 | $2.88 | $2.88 | |||||
| 2026-06-05 | $2.83 | $2.83 | |||||
| 2026-06-04 | $3.07 | $3.07 | |||||
| 2026-06-03 | $3.12 | $3.12 | |||||
| 2026-06-02 | $3.34 | $3.34 | |||||
| 2026-06-01 | $3.09 | $3.09 | |||||
| 2026-05-29 | $3.08 | $3.08 | |||||
| 2026-05-28 | $3.08 | $3.08 | |||||
| 2026-05-27 | $3.11 | $3.11 | |||||
| 2026-05-26 | $2.83 | $2.83 | |||||
| 2026-05-22 | $2.79 | $2.79 | |||||
| 2026-05-21 | $2.65 | $2.65 | |||||
| 2026-05-20 | $2.61 | $2.61 | |||||
| 2026-05-19 | $2.66 | $2.66 | |||||
| 2026-05-18 | $2.64 | $2.64 | |||||
| 2026-05-15 | $2.57 | $2.57 | |||||
| 2026-05-14 | $2.63 | $2.63 | |||||
| 2026-05-13 | $2.60 | $2.60 | |||||
| 2026-05-12 | $2.55 | $2.55 | |||||
| 2026-05-11 | $2.63 | $2.63 | |||||
| 2026-05-08 | $2.78 | $2.78 | |||||
| 2026-05-07 | $2.69 | $2.69 | |||||
| 2026-05-06 | $2.68 | $2.68 | |||||
| 2026-05-05 | $2.73 | $2.73 | |||||
| 2026-05-04 | $2.67 | $2.67 | |||||
| 2026-05-01 | $2.75 | $2.75 | |||||
| 2026-04-30 | $2.64 | $2.64 | |||||
| 2026-04-29 | $2.38 | $2.38 | |||||
| 2026-04-28 | $2.60 | $2.60 | |||||
| 2026-04-27 | $2.66 | $2.66 | |||||
| 2026-04-24 | $2.78 | $2.78 | |||||
| 2026-04-23 | $2.71 | $2.71 | |||||
| 2026-04-22 | $2.75 | $2.75 | |||||
| 2026-04-21 | $3.06 | $3.06 | |||||
| 2026-04-20 | $2.87 | $2.87 | |||||
| 2026-04-17 | $2.81 | $2.81 | |||||
| 2026-04-16 | $2.71 | $2.71 | |||||
| 2026-04-15 | $2.62 | $2.62 | |||||
| 2026-04-14 | $2.48 | $2.48 | |||||
| 2026-04-13 | $2.38 | $2.38 | |||||
| 2026-04-10 | $2.47 | $2.47 | |||||
| 2026-04-09 | $2.25 | $2.25 | |||||
| 2026-04-08 | $2.24 | $2.24 | |||||
| 2026-04-07 | $2.25 | $2.25 | |||||
| 2026-04-06 | $2.24 | $2.24 | |||||
| 2026-04-02 | $2.18 | $2.18 | |||||
| 2026-04-01 | $2.19 | $2.19 | |||||
| 2026-03-31 | $2.12 | $2.12 | |||||
| 2026-03-30 | $2.08 | $2.08 | |||||
| 2026-03-27 | $2.13 | $2.13 | |||||
| 2026-03-26 | $2.14 | $2.14 | |||||
| 2026-03-25 | $2.20 | $2.20 | |||||
| 2026-03-24 | $2.19 | $2.19 | |||||
| 2026-03-23 | $2.25 | $2.25 | |||||
| 2026-03-20 | $2.11 | $2.11 | |||||
| 2026-03-19 | $2.20 | $2.20 | |||||
| 2026-03-18 | $2.19 | $2.19 | |||||
| 2026-03-17 | $2.20 | $2.20 | |||||
| 2026-03-16 | $2.17 | $2.17 | |||||
| 2026-03-13 | $2.10 | $2.10 | |||||
| 2026-03-12 | $2.15 | $2.15 | |||||
| 2026-03-11 | $2.25 | $2.25 | |||||
| 2026-03-10 | $2.25 | $2.25 | |||||
| 2026-03-09 | $2.19 | $2.19 | |||||
| 2026-03-06 | $2.15 | $2.15 | |||||
| 2026-03-05 | $2.26 | $2.26 | |||||
| 2026-03-04 | $2.37 | $2.37 | |||||
| 2026-03-03 | $2.33 | $2.33 | |||||
| 2026-03-02 | $2.43 | $2.43 | |||||
| 2026-02-27 | $2.23 | $2.23 | |||||
| 2026-02-26 | $2.26 | $2.26 | |||||
| 2026-02-25 | $2.28 | $2.28 | |||||
| 2026-02-24 | $2.20 | $2.20 | |||||
| 2026-02-23 | $2.06 | $2.06 | |||||
| 2026-02-20 | $2.08 | $2.08 | |||||
| 2026-02-19 | $2.03 | $2.03 | |||||
| 2026-02-18 | $2.02 | $2.02 | |||||
| 2026-02-17 | $2.05 | $2.05 | |||||
| 2026-02-13 | $2.09 | $2.09 | |||||
| 2026-02-12 | $1.95 | $1.95 | |||||
| 2026-02-11 | $1.97 | $1.97 | |||||
| 2026-02-10 | $2.03 | $2.03 | |||||
| 2026-02-09 | $2.00 | $2.00 | |||||
| 2026-02-06 | $1.96 | $1.96 | |||||
| 2026-02-05 | $2.72 | $2.72 | |||||
| 2026-02-04 | $2.69 | $2.69 | |||||
| 2026-02-03 | $2.76 | $2.76 | |||||
| 2026-02-02 | $2.76 | $2.76 | |||||
| 2026-01-30 | $2.62 | $2.62 | |||||
| 2026-01-29 | $2.68 | $2.68 | |||||
| 2026-01-28 | $2.70 | $2.70 | |||||
| 2026-01-27 | $2.77 | $2.77 | |||||
| 2026-01-26 | $2.82 | $2.82 | |||||
| 2026-01-23 | $2.70 | $2.70 | |||||
| 2026-01-22 | $2.70 | $2.70 | |||||
| 2026-01-21 | $2.65 | $2.65 | |||||
| 2026-01-20 | $2.63 | $2.63 | |||||
| 2026-01-16 | $2.81 | $2.81 | |||||
| 2026-01-15 | $2.81 | $2.81 | |||||
| 2026-01-14 | $2.81 | $2.81 | |||||
| 2026-01-13 | $2.89 | $2.89 | |||||
| 2026-01-12 | $2.81 | $2.81 | |||||
| 2026-01-09 | $2.76 | $2.76 | |||||
| 2026-01-08 | $2.79 | $2.79 | |||||
| 2026-01-07 | $2.84 | $2.84 | |||||
| 2026-01-06 | $2.83 | $2.83 | |||||
| 2026-01-05 | $2.87 | $2.87 | |||||
| 2026-01-02 | $2.90 | $2.90 |
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