Stocks · Technology · Software - Application
Ribbon Communications Inc. RBBN
$1.70 -3.95% Close, Oct 5, 2026 · NASDAQ · Market cap $316.5M
Weak trendInexpensive vs sector
Next earnings report: Oct 28, 2026
Scroll or pinch to zoom, drag to move. Daily prices adjusted for splits. Markers: E = earnings (green beat, red miss), S = split, D = dividend.
Three things to know
- Over the past year the stock returned -54.9%, behind the S&P 500 by 70.7 percentage points.
- Net debt is 9.2× EBITDA, a high level of leverage.
- The stock is 58% below its highest close of the past year.
PromtFinance scores
Each score is a percentile within the Technology sector (0–100). Under each score: how the stock ranks in its sector on every component. As of Oct 6, 2026.
How fast revenue, earnings and cash flow are growing.
- Revenue growth (TTM, YoY)Bottom 8%
- FCF growth (TTM, YoY)Bottom 26%
- Revenue growth, 3-year CAGRBottom 33%
- Revenue growth accelerationBottom 9%
Returns on capital, margins, earnings quality and balance-sheet strength.
- Return on invested capitalBottom 40%
- Gross marginBottom 45%
- Operating marginBottom 35%
- Cash conversion (OCF / net income)Bottom 37%
- Accruals (lower is better)Bottom 17%
- Net debt / EBITDA (lower is better)Bottom 2%
- Interest coverBottom 33%
How cheap the shares are relative to earnings, cash flow and their own history.
- Earnings yieldTop 18%
- Free-cash-flow yieldBottom 45%
- EBITDA / enterprise valueTop 31%
- Sales / enterprise valueTop 10%
Strength and persistence of the price trend, including versus the S&P 500.
- 12-month return excluding last monthBottom 10%
- 6-month returnBottom 9%
- 1-year return vs S&P 500Bottom 8%
- Distance from 52-week highBottom 13%
- Trend checklist (0–4)Bottom 10%
Earnings surprises and analyst sentiment (estimate-revision history is being collected).
- Average EPS surprise, last 4 quartersTop 10%
- Consecutive EPS beatsBottom 12%
- Share of analysts rating BuyTop 33%
- Upside to consensus price targetTop 14%
Low volatility, shallow drawdowns, low market sensitivity and modest leverage.
- Volatility, 60 days (lower is better)Top 38%
- Maximum drawdown, 3 yearsBottom 37%
- Beta vs S&P 500 (lower is better)Bottom 36%
- Net debt / EBITDA (lower is better)Bottom 2%
What changed
Latest four quarters versus the same period a year earlier (growth: versus one quarter earlier).
| Measure | Before | Now | |
|---|---|---|---|
| Revenue growth (YoY) | -1.2% | -7.6% | ↓ |
| Gross margin | 51.1% | 47.0% | ↓ |
| Operating margin | 2.0% | -1.6% | ↓ |
| FCF margin | 0.9% | 0.9% | ↑ |
Fundamental momentum
| Measure | Now (TTM) | Year / quarter before | Sector rank | |
|---|---|---|---|---|
| Revenue growth (TTM, YoY) | -7.6% | -1.2% | ↓ | Bottom 8% |
| Gross margin | 47.0% | 51.1% | ↓ | Bottom 45% |
| Operating margin | -1.6% | 2.0% | ↓ | Bottom 35% |
| Net margin | 2.0% | -5.1% | ↑ | — |
| Free-cash-flow margin | 0.9% | 0.9% | ↑ | — |
| Return on invested capital | 0.3% | — | Bottom 40% | |
| Revenue growth, 3-year CAGR | 1.0% | — | Bottom 33% |
Quality of earnings and balance sheet
- Cash conversion (OCF / net income)Above 1× means profits are backed by cash.
- 1.43×
- Accruals (net income − OCF) / assetsLower is better; high accruals can signal weaker earnings quality.
- -0.6%
- Stock-based compensation / revenueA cost to shareholders through dilution.
- 2.7%
- Receivables growth vs revenue growthReceivables growing much faster than sales can be a warning.
- -4.1 pp
- Net debt / EBITDABelow 1× is conservative; above 3× is high leverage.
- 9.19×
- Interest cover (operating income / interest)How many times operating profit covers interest.
- -0.3×
Shareholder returns
- Dividend yield (dividends paid, TTM)
- 0.00%
- Net buyback yield (TTM)
- 2.38%
- Shareholder yield
- 2.38%
- Share count change, 1 year
- +0.1%
- Share count change, 3-year CAGR
- +1.2%
Shareholder yield = dividends + net buybacks over the last four quarters, divided by market cap.
Based on the four quarters through Jun 30, 2026 (filed Jul 31, 2026).
Earnings and expectations
Earnings momentum
- Consecutive EPS beats
- 0
- Beats in the last 8 reports
- 3 of 8
- Average EPS surprise, last 4
- +76.4%
- Average 2-day reaction, last 8
- +0.7%
- Positive 20 days after report
- 2 of 8
Analysts
- Consensus price target
- $3.30
- Target vs current price
- +94.1%
- Analysts with a rating
- 8
- Share rating Buy or Strong Buy
- 75%
- Consensus rating
- Buy
How the stock reacted to recent reports
| Report date | EPS surprise | 2 days | 5 days | 20 days | 60 days |
|---|---|---|---|---|---|
| Jul 28, 2026 | -114.3% | +0.5% | +3.9% | +0.0% | — |
| Apr 28, 2026 | +16.7% | -2.3% | +0.4% | +6.4% | -24.1% |
| Feb 5, 2026 | +436.4% | +1.1% | -26.8% | -16.0% | +2.2% |
| Oct 22, 2025 | -33.3% | -1.0% | -14.4% | -30.9% | -30.4% |
| Jul 23, 2025 | +0.0% | +5.5% | -4.0% | -7.2% | -2.7% |
| Apr 29, 2025 | -400.0% | +1.9% | -14.1% | -3.0% | +5.7% |
| Feb 12, 2025 | +23.1% | -0.2% | +16.6% | -9.2% | -27.9% |
| Oct 23, 2024 | +0.0% | +0.3% | +6.7% | +13.2% | +21.1% |
Returns from the close before each report. Past reactions do not determine future ones.
Earnings history
| Report date | EPS | Estimate | Surprise | Revenue |
|---|---|---|---|---|
| Jul 28, 2026 | -$0.03 | -$0.01 | -114.3% | $192.3M |
| Apr 28, 2026 | -$0.05 | -$0.06 | +16.7% | $162.6M |
| Feb 5, 2026 | $0.59 | $0.11 | +436.4% | $227.3M |
| Oct 22, 2025 | $0.04 | $0.06 | -33.3% | $215.4M |
| Jul 23, 2025 | $0.05 | $0.05 | +0.0% | $220.6M |
| Apr 29, 2025 | -$0.03 | $0.01 | -400.0% | $181.3M |
| Feb 12, 2025 | $0.16 | $0.13 | +23.1% | $251.4M |
| Oct 23, 2024 | $0.05 | $0.05 | +0.0% | $210.2M |
Valuation in context
| Multiple | Now | 5-year median | 5-year percentile | Sector rank (cheapness) |
|---|---|---|---|---|
| P/E (trailing) | 20.9× | — | — | Top 18% |
| P/E (forward) | 34.0× | — | — | — |
| EV / EBITDA | 17.4× | — | — | Top 31% |
| EV / Sales | 0.84× | — | — | Top 10% |
| Free-cash-flow yield | 2.32% | — | — | Bottom 45% |
| Earnings yield | 4.79% | — | — | Top 18% |
P/E over the past five years
Range 10.2× – 26.3× since Jun 30, 2021. Each point: price on the filing date divided by trailing-twelve-month EPS known then.
Technical state
Trend checklist
- ✗ Price above 20-day average
- ✗ Price above 50-day average
- ✗ Price above 200-day average
- ✗ 50-day average above 200-day
- ✓ MACD histogram positive
Trend quality
- Days above the 50-day average
- 0
- Days above the 200-day average
- 0
- 50-day average slope (20 days)
- -7.4%
- 200-day average slope (20 days)
- -4.2%
- Distance from 50-day average
- -13.3%
- Distance from 200-day average
- -28.3%
- RSI (14)
- 38.1
- Relative volume
- 3.44×
Risk and drawdowns
- Volatility, 60 days (annualized)
- 53.2%
- Volatility vs own 5-year history
- 38th percentile · Normal for this stock
- Beta vs S&P 500 (2 years, weekly)
- 1.63
- Correlation with S&P 500
- 0.50
- Current drawdown from 1-year high
- -57.9%
- Maximum drawdown, 3 years
- -68.1%
Largest declines in the past six years
| From peak | To low | Decline | Length | Recovery |
|---|---|---|---|---|
| Feb 16, 2021 | Sep 16, 2026 | -85.3% | 1402 days | Not yet recovered |
| Dec 8, 2020 | Dec 11, 2020 | -16.2% | 3 days | 30 days (Jan 27, 2021) |
Declines of 10% or more from a closing high, measured on daily closes.
Financial statements
- Market cap
- $316.5M
- P/E (TTM)
- 20.9
- EPS, diluted (TTM)
- $0.08
- Revenue (TTM)
- $797.6M
- 52-week range
- $1.55 – $4.09
| FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | |
|---|---|---|---|---|---|
| Revenue | $845.0M | $819.8M | $826.3M | $833.9M | $844.6M |
| Gross profit | $444.7M | $400.9M | $379.5M | $439.5M | $396.9M |
| Operating income | -$117.8M | -$48.3M | -$3.6M | $16.9M | $20.7M |
| Net income | -$177.2M | -$98.1M | -$66.2M | -$54.2M | $39.6M |
| EPS (diluted) | -$1.20 | -$0.63 | -$0.39 | -$0.31 | $0.22 |
| Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 | |
|---|---|---|---|---|---|---|---|---|
| Revenue | $210.2M | $251.4M | $181.3M | $220.6M | $215.4M | $227.3M | $162.6M | $192.3M |
| Net income | -$13.4M | $6.4M | -$26.2M | -$11.1M | -$12.1M | $89.1M | -$34.5M | -$26.9M |
| EPS (diluted) | -$0.08 | $0.04 | -$0.15 | -$0.06 | -$0.07 | $0.50 | -$0.20 | -$0.15 |
| FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | |
|---|---|---|---|---|---|
| Operating cash flow | $19.2M | -$26.4M | $17.1M | $50.2M | $51.4M |
| Capital expenditure | -$17.1M | -$13.6M | -$9.5M | -$22.9M | -$25.3M |
| Free cash flow | $2.0M | -$39.9M | $7.6M | $27.4M | $26.1M |
| Dividends paid | $0 | $0 | $0 | $0 | $0 |
| Net share buybacks | $0 | $0 | $0 | $0 | -$9.0M |
Cash outflows are shown as negative numbers.
- Cash and short-term investments
- $43.5M
- Total assets
- $1.14B
- Total liabilities
- $750.3M
- Total debt
- $397.0M
- Net debt
- $353.5M
- Shareholders’ equity
- $392.6M
As of Jun 30, 2026 (filed Jul 31, 2026).
Short interest
- Shares sold short
- 5,133,163
- Days to cover
- 7.07
- Change vs previous report
- +8.7%
FINRA short interest, settlement date Sep 15, 2026.
Stock splits
- Jan 30, 2015
- 1-for-5
- Oct 10, 2000
- 3-for-1