AAOI
Applied Optoelectronics, Inc.
AAOI offers stronger fundamentals, but that advantage does not outweigh its weaker overall profile.
TMUS
T-Mobile US, Inc.
TMUS has the edge over AAOI overall, supported by lower modeled downside and stronger valuation.
AAOI Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Under pressure | |
| Weak | |
| Unavailable |
AAOI's revenue is currently strong, but its profitability and cash flow are under pressure. There isn't enough data to rate its balance sheet.
TMUS Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Healthy | |
| Strong | |
| Strong |
TMUS's profitability, cash flow and balance sheet are currently healthy, and its revenue is stable.
AAOI PE Valuation
AAOI has no meaningful PE right now: it lost money over the past year. If it returns to profit as analysts expect, today's price would be 18x next year's earnings.
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's PE is in its cheap range at 16x. If earnings grow as analysts expect, today's price would be 13x next year's earnings.
AAOI Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Returning to profit | |
| Strong growth | |
| Strongly improving | |
| Limited | |
| Low |
Analysts expect AAOI to return to profit, with revenue growing. However, they disagree widely on these estimates.
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.
AAOI Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $2.98 | — |
| Q3 2026 | -$0.42 | +$3.02 |
| Q2 2026 | -$0.77 | +$2.81 |
| Q1 2026 | -$0.65 | +$3.43 |
| Q4 2025 | -$0.64 | +$3.86 |
| Q3 2025 | -$3.44 | -$1.41 |
| Q2 2025 | -$3.58 | -$1.70 |
| Q1 2025 | -$4.08 | -$2.29 |
| Q4 2024 | -$4.50 | -$2.75 |
AAOI is still losing money, but far less than before: $0.42 per share over the past year, against $4.50 at its worst in late 2024.
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 has the edge over AAOI on earnings quality, reporting a profit while its opponent remains loss making.
AAOI Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $269.9M | +127% |
| Q2 2026 | $191.9M | +86% |
| Q1 2026 | $151.1M | +51% |
| Q4 2025 | $134.3M | +34% |
| Q3 2025 | $118.6M | +82% |
| Q2 2025 | $103M | +138% |
| Q1 2025 | $99.9M | +146% |
| Q4 2024 | $100.3M | +66% |
AAOI has the edge over TMUS on sales, with stronger typical year-over-year growth.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | -0.5% | +15 points |
| Q2 2026 | -13% | +2.6 points |
| Q1 2026 | -8.6% | +0.3 points |
| Q4 2025 | -8.6% | -2.1 points |
| Q3 2025 | -15% | +10 points |
| Q2 2025 | -16% | +45 points |
| Q1 2025 | -8.9% | +44 points |
| Q4 2024 | -6.5% | +1 points |
AAOI's operating margin was −0.5% last quarter, up 15 points from the same quarter a year ago, near the top of its range since 2019.
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 AAOI on profitability, with a higher operating margin.
AAOI Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | -$369.9M | -$291.2M |
| Q2 2026 | -$265.3M | -$174.4M |
| Q1 2026 | -$143.6M | -$64.3M |
| Q4 2025 | -$104.6M | -$51.6M |
| Q3 2025 | -$78.7M | -$58M |
| Q2 2025 | -$91M | -$86M |
| Q1 2025 | -$79.3M | -$45.1M |
| Q4 2024 | -$53M | -$48.4M |
AAOI has burned cash in almost every quarter: −$883M over the past year, against −$302M 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 AAOI on cash generation, producing positive trailing cash flow while its opponent burns cash.
AAOI Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +7.7% | +6.3M shares |
| 1 year | +39% | +24.5M shares |
| 3 years | +168% | +55.1M shares |
| 5 years | +224% | +60.7M shares |
| Available history | +340% | +67.9M shares |
AAOI has 88M diluted shares, up 39% from a year ago.
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 AAOI 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.
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
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).
AAOI Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 35.1 | Neutral |
| Stochastic | 4.8 | Oversold |
AAOI's weekly RSI is 35 (neutral) and its Stochastic is 5 (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).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
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.
AAOI Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $80.2 | 34% below |
| 20 week MA | $100.6 | 47% below |
| 50 week MA | $100.3 | 47% below |
| 100 week MA | $62.3 | 15% below |
| 200 week MA | $36.9 | 43% above |
AAOI has fallen below most of its moving averages, though it's still 43% above 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 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.
AAOI Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $11.5 | $8.77 | -24% |
| 2021 | $8.77 | $5.64 | -36% |
| 2022 | $5.64 | $1.95 | -65% |
| 2023 | $1.95 | $19.3 | +891% |
| 2024 | $19.3 | $37.7 | +95% |
| 2025 | $37.7 | $37.2 | -1.5% |
| 2026 YTD | $37.2 | $52.9 | +42% |
AAOI 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.