RBBN
Ribbon Communications Inc.
RBBN trails on the overall score without a compensating advantage in the available component scores.
TMUS
T-Mobile US, Inc.
TMUS has the edge over RBBN overall, supported by stronger modeled upside and stronger valuation.
RBBN Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Stable | |
| Under pressure | |
| Weak |
RBBN's revenue and profitability are currently stable, but its cash flow and balance sheet are under pressure.
TMUS Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Healthy | |
| Strong | |
| Strong |
TMUS's profitability, cash flow and balance sheet are currently healthy, and its revenue is stable.
RBBN PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Cheap | 9.9x | $0.99 | -32% |
| Current | 15x | $1.45 | — |
| Fair | 16x | $1.62 | +12% |
| Expensive | 22x | $2.22 | +53% |
| Forward | 28x | $1.45 | — |
Historical ranges are pointers, not guarantees.
RBBN's PE is in its cheap range at 15x. Analysts expect earnings to fall, which would put today's price at 28x next year's earnings, in its expensive range.
TMUS PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Forward | 13x | $171 | — |
| Current | 16x | $171 | — |
| Cheap | 21x | $218 | +27% |
| Fair | 26x | $274 | +60% |
| Expensive | 56x | $581 | +240% |
Historical ranges are pointers, not guarantees.
TMUS has the edge over RBBN in the historical PE scenario, which offers more potential upside but is not a forecast.
RBBN Forward outlook
| Metric | Outlook |
|---|---|
| Strongly deteriorating | |
| Strong decline | |
| Stable | |
| Weakening | |
| Limited | |
| Moderate |
Analysts expect RBBN's earnings and profitability to decline, with its revenue holding steady.
TMUS Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Growth | |
| Strongly improving | |
| Limited | |
| Moderate |
TMUS has the edge over RBBN on the outlook, with more favorable valuation and earnings expectations.
RBBN Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $0.05 | -47% |
| Q3 2026 | $0.10 | +$0.33 |
| Q2 2026 | $0.08 | +$0.32 |
| Q1 2026 | $0.17 | +$0.45 |
| Q4 2025 | $0.22 | +$0.53 |
| Q3 2025 | -$0.23 | +$0.09 |
| Q2 2025 | -$0.24 | +$0.08 |
| Q1 2025 | -$0.28 | +$0.07 |
| Q4 2024 | -$0.31 | +$0.09 |
RBBN has the edge over TMUS on earnings, with more consistent year-over-year improvement.
TMUS Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $13.49 | +30% |
| Q3 2026 | $10.37 | -0.2% |
| Q2 2026 | $9.56 | -9.7% |
| Q1 2026 | $9.41 | -8.1% |
| Q4 2025 | $9.72 | +0.6% |
| Q3 2025 | $10.39 | +18% |
| Q2 2025 | $10.59 | +33% |
| Q1 2025 | $10.24 | +39% |
| Q4 2024 | $9.66 | +39% |
TMUS earned $10.37 per share over the past year, about the same as the year before.
RBBN Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $218.7M | +1.6% |
| Q2 2026 | $192.3M | -13% |
| Q1 2026 | $162.6M | -10% |
| Q4 2025 | $227.3M | -9.6% |
| Q3 2025 | $215.4M | +2.4% |
| Q2 2025 | $220.6M | +15% |
| Q1 2025 | $181.3M | +0.9% |
| Q4 2024 | $251.4M | +11% |
RBBN's revenue is down over the past year, though its latest quarter was up: $219M last quarter, up 1.6% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 2.6% | +1.3 points |
| Q2 2026 | -6.3% | -8.3 points |
| Q1 2026 | -19% | -8.7 points |
| Q4 2025 | 4.1% | -9.1 points |
| Q3 2025 | 1.3% | +1.7 points |
| Q2 2025 | 1.9% | +2.9 points |
| Q1 2025 | -11% | -3.3 points |
| Q4 2024 | 13% | +5.9 points |
RBBN's operating margin was 2.6% last quarter, up 1.3 points from the same quarter a year ago.
TMUS Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $23.6B | +7.4% |
| Q2 2026 | $22.8B | +7.9% |
| Q1 2026 | $23.1B | +11% |
| Q4 2025 | $24.3B | +11% |
| Q3 2025 | $22B | +8.9% |
| Q2 2025 | $21.1B | +6.9% |
| Q1 2025 | $20.9B | +6.6% |
| Q4 2024 | $21.9B | +6.8% |
TMUS has the edge over RBBN on sales, with more consistent year-over-year improvement.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 24% | +3.4 points |
| Q2 2026 | 24% | -0.6 points |
| Q1 2026 | 19% | -3.5 points |
| Q4 2025 | 15% | -5.6 points |
| Q3 2025 | 21% | -3.2 points |
| Q2 2025 | 25% | +1.3 points |
| Q1 2025 | 23% | +2.6 points |
| Q4 2024 | 21% | +4 points |
TMUS has the edge over RBBN on profitability, with a higher operating margin.
RBBN Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | -$15.5M | -174% |
| Q2 2026 | -$15.8M | -$9.3M |
| Q1 2026 | -$25.1M | -$9.4M |
| Q4 2025 | $27.3M | -49% |
| Q3 2025 | $21M | +$44.6M |
| Q2 2025 | -$6.5M | +$6.4M |
| Q1 2025 | -$15.7M | -248% |
| Q4 2024 | $53.8M | +210% |
RBBN's free cash flow was −$29M over the past year, against $53M the year before.
TMUS Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $5.1B | +5.3% |
| Q2 2026 | $4.8B | +4.4% |
| Q1 2026 | $4.6B | +4.6% |
| Q4 2025 | $4.2B | +25% |
| Q3 2025 | $4.8B | +15% |
| Q2 2025 | $4.6B | +32% |
| Q1 2025 | $4.4B | +79% |
| Q4 2024 | $3.3B | +2% |
TMUS has the edge over RBBN on cash generation, producing positive trailing cash flow while its opponent burns cash.
RBBN Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +0.9% | +1.6M shares |
| 1 year | +1.3% | +2.2M shares |
| 3 years | +4.5% | +7.7M shares |
| 5 years | +21% | +30.7M shares |
| Available history | +62% | +68.6M shares |
RBBN has 179M diluted shares, up 1.3% from a year ago, despite $4M in buybacks over the past year.
| Quarter | Spent |
|---|---|
| Q3 2026 | — |
| Q2 2026 | — |
| Q1 2026 | $824,000 |
| Q4 2025 | $3.2M |
| Q3 2025 | $3.5M |
| Q2 2025 | $2.3M |
| Q4 2020 | — |
| Q3 2020 | — |
RBBN spent $4M buying back its own shares over the past year.
TMUS Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | -1% | -10.8M shares |
| 1 year | -4.9% | -55M shares |
| 3 years | -8.8% | -103M shares |
| 5 years | -15% | -182M shares |
| Available history | +24% | +207M shares |
TMUS has the edge over RBBN on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q3 2026 | $2.4B |
| Q2 2026 | $2.3B |
| Q1 2026 | $4.8B |
| Q4 2025 | $2.4B |
| Q3 2025 | $2.5B |
| Q2 2025 | $2.6B |
| Q1 2025 | $2.5B |
| Q4 2024 | $4.7B |
TMUS spent $12B buying back its own shares over the past year, down 1.7% from the year before.
RBBN Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | 9.9x | High |
| Q2 2026 | 10.3x | High |
| Q1 2026 | 5.9x | High |
| Q4 2025 | 4.1x | High |
| Q3 2025 | 3.2x | Elevated |
| Q2 2025 | 3.5x | Elevated |
| Q1 2025 | 3.6x | Elevated |
| Q4 2024 | 3.1x | Elevated |
RBBN's net debt is about 9.9 years of its operating earnings (EBITDA), up from 3.2 years a year ago.
TMUS Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | 0.0x | Very low |
| Q2 2026 | 0.1x | Very low |
| Q1 2026 | -0.0x | Net Cash |
| Q4 2025 | 2.5x | Moderate |
| Q3 2025 | 0.1x | Very low |
| Q2 2025 | -0.1x | Net Cash |
| Q1 2025 | -0.1x | Net Cash |
| Q4 2024 | 2.4x | Moderate |
TMUS has the edge over RBBN on leverage, with a lower net debt burden relative to earnings.
RBBN Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 35.1 | Neutral |
| Stochastic | 17.3 | Oversold |
RBBN's weekly RSI is 35 (neutral) and its Stochastic is 17 (oversold).
TMUS Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 47.9 | Neutral |
| Stochastic | 42.1 | Neutral |
TMUS's weekly RSI is 48 (neutral) and its Stochastic is 42 (neutral).
RBBN PE vs Communication Services Sector
| Metric | RBBN | Sector median | Relative |
|---|---|---|---|
| PE | 15x | 16x | 12% below |
| PE % | 32 | 26 | 6 pts above |
RBBN has the edge over TMUS on valuation relative to its sector.
TMUS PE vs Communication Services Sector
| Metric | TMUS | Sector median | Relative |
|---|---|---|---|
| PE | 16x | 16x | Same PE |
| PE % | 1 | 26 | 25 pts below |
TMUS is trading at 16x earnings, in line with the Communication Services sector's median of 16x.
RBBN Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $1.54 | 5.8% below |
| 20 week MA | $1.86 | 22% below |
| 50 week MA | $2.28 | 36% below |
| 100 week MA | $3.04 | 52% below |
| 200 week MA | $3.06 | 53% below |
RBBN is in a downtrend: it's below all five of its weekly moving averages, and 53% below its 200-week average.
TMUS Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $159.1 | 7.5% above |
| 20 week MA | $172.0 | 0.5% below |
| 50 week MA | $187.8 | 8.9% below |
| 100 week MA | $212.9 | 20% below |
| 200 week MA | $188.7 | 9.4% below |
TMUS has the edge over RBBN on trend strength, trading above more of its moving averages.
RBBN Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $3.10 | $6.61 | +113% |
| 2021 | $6.61 | $6.08 | -8% |
| 2022 | $6.08 | $2.65 | -56% |
| 2023 | $2.65 | $2.90 | +9.4% |
| 2024 | $2.90 | $4.10 | +41% |
| 2025 | $4.10 | $2.95 | -28% |
| 2026 YTD | $2.95 | $1.45 | -51% |
RBBN's yearly returns have swung widely, from +113% in 2020 to −56% in 2022. It's down 51% so far in 2026.
TMUS Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $77.2 | $132.9 | +72% |
| 2021 | $132.9 | $119.9 | -9.8% |
| 2022 | $119.9 | $140.0 | +17% |
| 2023 | $140.0 | $160.3 | +15% |
| 2024 | $160.3 | $223.0 | +39% |
| 2025 | $223.0 | $201.0 | -9.9% |
| 2026 YTD | $201.0 | $171.0 | -15% |
TMUS has the edge over RBBN on returns for 2026, with the stronger performance.