ARM
Arm Holdings plc American Depositary Shares
ARM offers stronger fundamentals, but that advantage does not outweigh its weaker overall profile.
TMUS
T-Mobile US, Inc.
TMUS has a slight edge over ARM overall, supported by stronger valuation and lower modeled downside.
ARM Fundamentals
| Metric | Status |
|---|---|
| Healthy | |
| Healthy | |
| Strong | |
| Strong |
ARM's revenue, profitability, cash flow and balance sheet are all currently healthy.
TMUS Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Healthy | |
| Strong | |
| Strong |
TMUS's profitability, cash flow and balance sheet are currently healthy, and its revenue is stable.
ARM PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Cheap | 167x | $147 | -27% |
| Fair | 224x | $197 | -1.4% |
| Current | 227x | $200 | — |
| Expensive | 361x | $317 | +59% |
Historical ranges are pointers, not guarantees.
ARM's PE is in its fair range at 227x.
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 ARM in the historical PE scenario, which offers more potential upside but is not a forecast.
ARM Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Strong growth | |
| Strong growth | |
| Improving | |
| Moderate | |
| Moderate |
Analysts expect strong earnings and revenue growth for ARM, with profitability improving.
TMUS Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Growth | |
| Strongly improving | |
| Limited | |
| Moderate |
Analysts expect earnings and revenue growth for TMUS, with profitability improving.
ARM Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q3 2026 | $0.88 | +13% |
| Q2 2026 | $0.98 | +48% |
| Q1 2026 | $0.85 | +13% |
| Q4 2025 | $0.75 | -1.3% |
| Q3 2025 | $0.78 | +30% |
| Q1 2025 | $0.75 | +159% |
| Q4 2024 | $0.76 | +850% |
| Q3 2024 | $0.60 | +233% |
ARM 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.
ARM Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $1.4B | +27% |
| Q2 2026 | $1.3B | +22% |
| Q1 2026 | $1.5B | +20% |
| Q4 2025 | $1.2B | +26% |
| Q3 2025 | $1.1B | +34% |
| Q2 2025 | $1.1B | +12% |
| Q1 2025 | $1.2B | +34% |
| Q4 2024 | $983M | +19% |
ARM has the edge over TMUS on sales, with stronger typical year-over-year growth.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 14% | -0.4 points |
| Q2 2026 | 7.1% | -3.8 points |
| Q1 2026 | 29% | -3.6 points |
| Q4 2025 | 15% | -2.9 points |
| Q3 2025 | 14% | +6.8 points |
| Q2 2025 | 11% | -8.5 points |
| Q1 2025 | 33% | +31 points |
| Q4 2024 | 18% | +1.5 points |
ARM's operating margin was 14% last quarter, about level with 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's revenue has grown year over year for 10 quarters in a row: $23.6B last quarter, up 7.4% from the same quarter a year ago.
| 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 ARM on profitability, with a higher operating margin.
ARM Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $135M | -69% |
| Q2 2026 | $705M | +296% |
| Q1 2026 | $186M | +1.1% |
| Q4 2025 | $186M | -48% |
| Q3 2025 | $429M | +$476M |
| Q2 2025 | $178M | +$497M |
| Q1 2025 | $184M | -72% |
| Q4 2024 | $360M | +25% |
ARM generated $1.2B in free cash flow over the past year, up 5.3% from 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 ARM on cash flow, with more consistent year-over-year improvement.
ARM Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +0.1% | +1M shares |
| 1 year | +0.9% | +10M shares |
| 3 years | +5.2% | +53.7M shares |
ARM has 1.1B diluted shares, up 0.9% from a year ago.
| Quarter | Spent |
|---|---|
| Q1 2023 | — |
| Q4 2022 | — |
| Q3 2022 | — |
| Q2 2022 | — |
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 ARM 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.
ARM Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q1 2023 | -1.6x | Net Cash |
ARM has more cash than debt.
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's net debt is less than a year of its operating earnings (EBITDA).
ARM Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 43.0 | Neutral |
| Stochastic | 11.0 | Oversold |
ARM's weekly RSI is 43 (neutral) and its Stochastic is 11 (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).
ARM PE vs Technology Sector
| Metric | ARM | Sector median | Relative |
|---|---|---|---|
| PE | 227x | 28x | 715% above |
| PE % | 51 | 23 | 28 pts above |
ARM is trading at 227x earnings, a 715% premium to the Technology sector's median of 28x.
TMUS PE vs Communication Services Sector
| Metric | TMUS | Sector median | Relative |
|---|---|---|---|
| PE | 16x | 16x | Same PE |
| PE % | 1 | 26 | 25 pts below |
TMUS has the edge over ARM on valuation relative to its sector.
ARM Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $237.8 | 16% below |
| 20 week MA | $257.3 | 22% below |
| 50 week MA | $213.9 | 6.6% below |
| 100 week MA | $176.5 | 13% above |
ARM has stronger trend alignment. ARM is above 1 of 4 weekly averages versus TMUS above 1 of 5.
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 bounced recently, but its long-term trend is still down: it's above its 8-week average, but 9.4% below its 200-week average.
ARM Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2023 | $60.8 | $75.2 | +24% |
| 2024 | $75.2 | $129.2 | +72% |
| 2025 | $129.2 | $110.3 | -15% |
| 2026 YTD | $110.3 | $199.8 | +81% |
ARM has the edge over TMUS on returns for 2026, with the stronger performance.
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 finished higher in four of the last six years. It's down 15% so far in 2026.