AAOI
Applied Optoelectronics, Inc.
AAOI offers stronger modeled upside, but that advantage does not outweigh its weaker overall profile.
SLAB
Silicon Laboratories Inc.
SLAB 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.
SLAB Fundamentals
| Metric | Status |
|---|---|
| Healthy | |
| Stable | |
| Under pressure | |
| Strong |
SLAB's revenue and balance sheet are currently healthy, and its profitability is stable, but its cash flow is 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.
SLAB PE Valuation
SLAB 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.
SLAB Forward outlook
There aren't enough analyst estimates for SLAB to show an outlook.
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.
SLAB Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q3 2026 | -$0.61 | +$2.02 |
| Q2 2026 | -$1.17 | +$2.04 |
| Q1 2026 | -$1.52 | +$3.58 |
| Q4 2025 | -$1.98 | +$3.95 |
| Q3 2025 | -$2.63 | +$4.73 |
| Q2 2025 | -$3.21 | +$2.95 |
| Q1 2025 | -$5.10 | -$1.83 |
| Q4 2024 | -$5.93 | -$4.84 |
SLAB has the edge over AAOI on earnings, with more consistent year-over-year improvement.
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 SLAB 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.
SLAB Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $250.9M | +22% |
| Q2 2026 | $228.2M | +18% |
| Q1 2026 | $213.5M | +20% |
| Q4 2025 | $208.2M | +25% |
| Q3 2025 | $206M | +24% |
| Q2 2025 | $192.8M | +33% |
| Q1 2025 | $177.7M | +67% |
| Q4 2024 | $166.2M | +91% |
SLAB's revenue has grown year over year for eight quarters in a row: $251M last quarter, up 22% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 3.2% | +9.2 points |
| Q2 2026 | -4.7% | +7.2 points |
| Q1 2026 | -8% | +10 points |
| Q4 2025 | -1.6% | +16 points |
| Q3 2025 | -6% | +12 points |
| Q2 2025 | -12% | +21 points |
| Q1 2025 | -18% | +38 points |
| Q4 2024 | -17% | +67 points |
SLAB 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.
SLAB Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $40.5M | +45% |
| Q2 2026 | -$26.8M | -$23M |
| Q1 2026 | -$4.9M | -111% |
| Q4 2025 | -$1.6M | -126% |
| Q3 2025 | $27.9M | -5.1% |
| Q2 2025 | -$3.8M | -130% |
| Q1 2025 | $43.3M | +$117.1M |
| Q4 2024 | $6.2M | -58% |
SLAB 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.
SLAB Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +1.6% | +546K shares |
| 1 year | +2.8% | +917K shares |
| 3 years | +5.2% | +1.7M shares |
| 5 years | -24% | -10.9M shares |
| Available history | -24% | -10.5M shares |
SLAB has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q4 2024 | $16,000 |
| Q3 2024 | — |
| Q2 2024 | — |
| Q1 2024 | — |
| Q4 2023 | — |
| Q3 2023 | $16M |
| Q2 2023 | $183.5M |
| Q1 2023 | $17.6M |
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
SLAB Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | -402.1x | Net Cash |
| Q4 2023 | -117.5x | Net Cash |
| Q3 2023 | -1.2x | Net Cash |
| Q2 2023 | -1.3x | Net Cash |
| Q1 2023 | -5.6x | Net Cash |
| Q4 2022 | -3.5x | Net Cash |
| Q3 2022 | -4.1x | Net Cash |
| Q2 2022 | -6.4x | Net Cash |
SLAB 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).
SLAB Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 69.2 | Neutral |
| Stochastic | 78.2 | Neutral |
SLAB's weekly RSI is 69 (neutral) and its Stochastic is 78 (neutral).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
SLAB PE vs Technology Sector
| Metric | SLAB | Sector median | Relative |
|---|---|---|---|
| PE | N/A | 28x | — |
SLAB 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.
SLAB Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $221.8 | 0.1% above |
| 20 week MA | $219.9 | 1% above |
| 50 week MA | $202.3 | 9.8% above |
| 100 week MA | $165.8 | 34% above |
| 200 week MA | $148.3 | 50% above |
SLAB 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.
SLAB Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $116.5 | $126.3 | +8.4% |
| 2021 | $126.3 | $205.1 | +62% |
| 2022 | $205.1 | $134.7 | -34% |
| 2023 | $134.7 | $132.3 | -1.8% |
| 2024 | $132.3 | $127.8 | -3.4% |
| 2025 | $127.8 | $134.4 | +5.2% |
| 2026 YTD | $134.4 | $222.1 | +65% |
SLAB has the edge over AAOI on returns for 2026, with the stronger performance.