AAOI
Applied Optoelectronics, Inc.
AAOI offers stronger modeled upside, but that advantage does not outweigh its weaker overall profile.
ASX
ASE Technology Holding Co., Ltd.
ASX has the edge over AAOI overall, supported by lower modeled downside and stronger fundamentals.
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.
ASX Fundamentals
| Metric | Status |
|---|---|
| Unavailable | |
| Unavailable | |
| Unavailable | |
| Healthy |
ASX's balance sheet is currently healthy. There isn't enough data to rate its revenue, profitability and cash flow.
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.
ASX PE Valuation
ASX 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.
ASX Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Strong growth | |
| Strong growth | |
| Strongly improving | |
| Limited | |
| High |
Analysts expect strong earnings and revenue growth for ASX, 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.
ASX Earnings Per Share
ASX and AAOI do not have enough comparable growth data to identify a winner.
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's revenue has grown year over year for 10 quarters in a row: $270M last quarter, up 127% from the same quarter a year ago.
| 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.
ASX Quarterly Revenue
ASX and AAOI do not have enough comparable growth data to identify a winner.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 14% | +5.7 points |
| Q2 2026 | 11% | +4.1 points |
| Q1 2026 | 10% | +3.6 points |
| Q4 2025 | 9.9% | +2.9 points |
| Q3 2025 | 7.8% | +0.5 points |
| Q2 2025 | 6.9% | +0.3 points |
| Q1 2025 | 6.5% | +0.9 points |
| Q4 2024 | 7.1% | -0.5 points |
ASX 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.
ASX Free Cash Flow
ASX and AAOI do not have enough comparable growth data to identify a winner.
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
ASX Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q2 2026 | 1.3x | Healthy |
| Q1 2026 | 1.3x | Healthy |
| Q4 2025 | 1.4x | Healthy |
| Q3 2025 | 1.9x | Healthy |
| Q2 2025 | 1.5x | Healthy |
| Q1 2025 | 1.3x | Healthy |
| Q4 2024 | 1.2x | Healthy |
| Q3 2024 | 1.3x | Healthy |
ASX's net debt is about 1.3 years of its operating earnings (EBITDA), about the same as a year ago.
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).
ASX Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 49.2 | Neutral |
| Stochastic | 32.5 | Neutral |
ASX's weekly RSI is 49 (neutral) and its Stochastic is 33 (neutral).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
ASX PE vs Technology Sector
| Metric | ASX | Sector median | Relative |
|---|---|---|---|
| PE | 38x | 28x | 35% above |
| PE % | 85 | 35 | 50 pts above |
ASX 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.
ASX Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $40.5 | 10% below |
| 20 week MA | $39.4 | 8% below |
| 50 week MA | $31.1 | 17% above |
| 100 week MA | $20.9 | 74% above |
| 200 week MA | $14.9 | 143% above |
ASX 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.
ASX Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $5.59 | $5.74 | +2.7% |
| 2021 | $5.74 | $7.57 | +32% |
| 2022 | $7.57 | $6.34 | -16% |
| 2023 | $6.34 | $9.41 | +48% |
| 2024 | $9.41 | $10.3 | +9.9% |
| 2025 | $10.3 | $15.7 | +52% |
| 2026 YTD | $15.7 | $36.3 | +131% |
ASX has the edge over AAOI on returns for 2026, with the stronger performance.