AAOI
Applied Optoelectronics, Inc.
AAOI's outlook is improving, though it still trails on the overall score.
POWI
Power Integrations, Inc.
POWI 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.
POWI Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Strong | |
| Strong | |
| Strong |
POWI's profitability, cash flow and balance sheet are currently strong, 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.
POWI PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Cheap | 23x | $18.45 | -60% |
| Forward | 26x | $46.06 | — |
| Fair | 53x | $41.55 | -9.8% |
| Current | 58x | $46.06 | — |
| Expensive | 97x | $76.52 | +66% |
Historical ranges are pointers, not guarantees.
POWI's PE is in its fair range at 58x. If earnings grow as analysts expect, today's price would be 26x next year's earnings, in its cheap range.
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.
POWI Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Growth | |
| Strongly improving | |
| Limited | |
| Moderate |
Analysts expect earnings and revenue growth for POWI, 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.
POWI Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $1.76 | +123% |
| Q3 2026 | $0.79 | +163% |
| Q2 2026 | $0.45 | -21% |
| Q1 2026 | $0.30 | -53% |
| Q4 2025 | $0.39 | -30% |
| Q3 2025 | $0.30 | -55% |
| Q2 2025 | $0.57 | -24% |
| Q1 2025 | $0.64 | -30% |
| Q4 2024 | $0.56 | -42% |
POWI 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 POWI 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'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.
POWI Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $125.5M | +5.5% |
| Q2 2026 | $118.9M | +2.7% |
| Q1 2026 | $108.3M | +2.6% |
| Q4 2025 | $103.2M | -1.9% |
| Q3 2025 | $118.9M | +2.7% |
| Q2 2025 | $115.9M | +9.1% |
| Q1 2025 | $105.5M | +15% |
| Q4 2024 | $105.3M | +18% |
POWI's revenue is recovering but still below its 2022 peak: $125M last quarter, up 5.5% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 15% | +19 points |
| Q2 2026 | 7.5% | +8.6 points |
| Q1 2026 | 1.3% | -5 points |
| Q4 2025 | 8.5% | +4.8 points |
| Q3 2025 | -3.3% | -13 points |
| Q2 2025 | -1.2% | -3 points |
| Q1 2025 | 6.4% | +5.9 points |
| Q4 2024 | 3.7% | +4.9 points |
POWI 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.
POWI Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $36.5M | +51% |
| Q2 2026 | $17.7M | -24% |
| Q1 2026 | $18M | -13% |
| Q4 2025 | $19.2M | +64% |
| Q3 2025 | $24.2M | -11% |
| Q2 2025 | $23.1M | +72% |
| Q1 2025 | $20.7M | +79% |
| Q4 2024 | $11.7M | +15% |
POWI 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.
POWI Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | -0.2% | -88K shares |
| 1 year | +1.5% | +812K shares |
| 3 years | -2% | -1.1M shares |
| 5 years | -7.7% | -4.8M shares |
| Available history | -5.7% | -3.4M shares |
POWI has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q3 2026 | — |
| Q2 2026 | — |
| Q1 2026 | — |
| Q4 2025 | — |
| Q3 2025 | $42.4M |
| Q2 2025 | $32.6M |
| Q1 2025 | $23.1M |
| Q4 2024 | $1.9M |
POWI hasn't bought back shares in the past year.
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
POWI Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | -1.5x | Net Cash |
| Q2 2026 | -1.7x | Net Cash |
| Q1 2026 | -2.0x | Net Cash |
| Q4 2025 | -1.5x | Net Cash |
| Q3 2025 | -1.4x | Net Cash |
| Q2 2025 | -1.3x | Net Cash |
| Q1 2025 | -0.9x | Net Cash |
| Q4 2024 | -1.0x | Net Cash |
POWI 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).
POWI Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 41.3 | Neutral |
| Stochastic | 14.0 | Oversold |
POWI's weekly RSI is 41 (neutral) and its Stochastic is 14 (oversold).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
POWI PE vs Technology Sector
| Metric | POWI | Sector median | Relative |
|---|---|---|---|
| PE | 58x | 28x | 109% above |
| PE % | 54 | 35 | 19 pts above |
POWI is trading at 58x earnings, a 109% premium to the Technology sector's median of 28x.
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 the edge over POWI on trend strength, trading above more of its moving averages.
POWI Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $47.2 | 2.4% below |
| 20 week MA | $55.2 | 17% below |
| 50 week MA | $55.5 | 17% below |
| 100 week MA | $53.1 | 13% below |
| 200 week MA | $64.5 | 29% below |
POWI is in a downtrend: it's below all five of its weekly moving averages, and 29% 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 POWI on returns for 2026, with the stronger performance.
POWI Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $49.5 | $79.5 | +61% |
| 2021 | $79.5 | $89.4 | +12% |
| 2022 | $89.4 | $72.1 | -19% |
| 2023 | $72.1 | $82.1 | +14% |
| 2024 | $82.1 | $63.0 | -23% |
| 2025 | $63.0 | $37.3 | -41% |
| 2026 YTD | $37.3 | $46.1 | +23% |
POWI has finished lower in three of the last six years. It's up 23% so far in 2026.