AAOI
Applied Optoelectronics, Inc.
AAOI has the edge over AOSL overall, supported by stronger fundamentals and stronger modeled upside.
AOSL
Alpha and Omega Semiconductor Limited
AOSL has lower modeled downside risk, despite its lower overall score.
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.
AOSL Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Under pressure | |
| Weak | |
| Strong |
AOSL's balance sheet is currently strong, and its revenue is stable, but its profitability and cash flow are under pressure.
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.
AOSL PE Valuation
AOSL has no meaningful PE right now: it lost money over the past year.
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.
AOSL Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Losses shrinking | |
| Growth | |
| Strongly improving | |
| Limited | |
| Low |
Analysts expect AOSL's losses to shrink, with revenue growing. However, they disagree widely on these estimates.
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 has the edge over AOSL on earnings, with more consistent year-over-year improvement.
AOSL Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q3 2026 | -$1.54 | +$1.74 |
| Q2 2026 | -$1.41 | +$1.89 |
| Q1 2026 | -$3.59 | -$2.81 |
| Q4 2025 | -$3.50 | -$2.70 |
| Q3 2025 | -$3.28 | -$2.61 |
| Q2 2025 | -$3.30 | -$2.91 |
| Q1 2025 | -$0.78 | -$0.49 |
| Q4 2024 | -$0.80 | -$0.22 |
AOSL lost $1.54 per share over the past year, a smaller loss than the year before.
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 AOSL on sales, with more consistent year-over-year improvement.
| 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 has the edge over AOSL on profitability, with a higher operating margin.
AOSL Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $177.8M | -2.6% |
| Q2 2026 | $170.4M | -3.5% |
| Q1 2026 | $163.8M | -0.5% |
| Q4 2025 | $162.3M | -6.3% |
| Q3 2025 | $182.5M | +0.3% |
| Q2 2025 | $176.5M | +9.4% |
| Q1 2025 | $164.6M | +9.7% |
| Q4 2024 | $173.2M | +4.8% |
AOSL's revenue grew through 2023 and has held roughly level since: $178M last quarter, down 2.6% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | -5.1% | -2.6 points |
| Q2 2026 | -6.5% | +0.1 points |
| Q1 2026 | -8.6% | -2.1 points |
| Q4 2025 | -8.4% | -4.9 points |
| Q3 2025 | -2.5% | -2.4 points |
| Q2 2025 | -6.6% | -5.7 points |
| Q1 2025 | -6.5% | +0.5 points |
| Q4 2024 | -3.4% | -2.7 points |
AOSL's operating margin was −5.1% last quarter, down 2.6 points from the same quarter a year ago.
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.
AOSL Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | -$3.6M | -955% |
| Q2 2026 | -$24.9M | -$7.8M |
| Q1 2026 | -$20.5M | -$19.4M |
| Q4 2025 | -$23.1M | -450% |
| Q3 2025 | $420K | -90% |
| Q2 2025 | -$17.2M | -$17M |
| Q1 2025 | -$1.1M | -105% |
| Q4 2024 | $6.6M | +$39.6M |
AOSL has the edge over AAOI on cash flow, with more consistent year-over-year improvement.
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.
AOSL Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +1.1% | +335K shares |
| 1 year | +0.8% | +250K shares |
| 3 years | +1.7% | +500K shares |
| 5 years | +9.6% | +2.6M shares |
| Available history | +23% | +5.6M shares |
AOSL has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q2 2026 | — |
| Q1 2026 | $4.2M |
| Q2 2024 | — |
| Q2 2023 | $10.8M |
| Q2 2020 | — |
| Q1 2020 | — |
| Q4 2019 | — |
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
AOSL Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | -17.4x | Net Cash |
| Q2 2026 | -12.6x | Net Cash |
| Q1 2026 | -12.9x | Net Cash |
| Q4 2025 | -8.8x | Net Cash |
| Q3 2025 | -7.4x | Net Cash |
| Q2 2025 | -3.7x | Net Cash |
| Q1 2025 | -3.3x | Net Cash |
| Q4 2024 | -4.0x | Net Cash |
AOSL has more cash than debt.
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).
AOSL Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 52.6 | Neutral |
| Stochastic | 35.8 | Neutral |
AOSL's weekly RSI is 53 (neutral) and its Stochastic is 36 (neutral).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
AOSL PE vs Technology Sector
| Metric | AOSL | Sector median | Relative |
|---|---|---|---|
| PE | N/A | 28x | — |
AOSL has no meaningful PE right now: it lost money over the past year.
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.
AOSL Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $25.9 | 18% above |
| 20 week MA | $28.5 | 7.2% above |
| 50 week MA | $28.9 | 5.6% above |
| 100 week MA | $28.2 | 8.2% above |
| 200 week MA | $28.9 | 5.6% above |
AOSL has the edge over AAOI on trend strength, trading above more of its moving averages.
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's yearly returns have swung widely, from +891% in 2023 to −65% in 2022. It's up 42% so far in 2026.
AOSL Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $13.7 | $23.4 | +72% |
| 2021 | $23.4 | $55.3 | +136% |
| 2022 | $55.3 | $28.7 | -48% |
| 2023 | $28.7 | $26.1 | -9.3% |
| 2024 | $26.1 | $38.4 | +47% |
| 2025 | $38.4 | $20.1 | -47% |
| 2026 YTD | $20.1 | $30.5 | +52% |
AOSL has the edge over AAOI on returns for 2026, with the stronger performance.