AAOI
Applied Optoelectronics, Inc.
AAOI offers stronger modeled upside, but that advantage does not outweigh its weaker overall profile.
SILC
Silicom Ltd.
SILC 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.
SILC Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Under pressure | |
| Under pressure | |
| Strong |
SILC's revenue and balance sheet are currently strong, 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.
SILC PE Valuation
SILC 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 112x 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.
SILC Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Returning to profit | |
| Strong growth | |
| Strongly improving | |
| Limited | |
| High |
Analysts expect SILC to return to profit, with revenue growing.
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.
SILC Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $0.28 | — |
| Q2 2026 | -$1.71 | +$0.86 |
| Q1 2026 | -$1.93 | +$0.30 |
| Q4 2025 | -$2.01 | +$0.28 |
| Q3 2025 | -$2.62 | +$3.82 |
| Q2 2025 | -$2.57 | +$3.25 |
| Q1 2025 | -$2.23 | +$2.78 |
| Q4 2024 | -$2.29 | +$1.65 |
| Q3 2024 | -$6.44 | -410% |
SILC 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 SILC 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 SILC on profitability, with a higher operating margin.
SILC Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q2 2026 | $23.8M | +59% |
| Q1 2026 | $19.1M | +33% |
| Q4 2025 | $16.9M | +17% |
| Q3 2025 | $15.6M | +5.8% |
| Q2 2025 | $15M | +3.6% |
| Q1 2025 | $14.4M | +0.1% |
| Q4 2024 | $14.5M | -23% |
| Q3 2024 | $14.8M | -51% |
SILC's revenue is recovering but still below its 2022 peak: $24M last quarter, up 59% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q2 2026 | -8.4% | +13 points |
| Q1 2026 | -15% | +7.7 points |
| Q4 2025 | -17% | +8.1 points |
| Q3 2025 | -20% | +1.4 points |
| Q2 2025 | -21% | +0.5 points |
| Q1 2025 | -22% | +1.8 points |
| Q4 2024 | -25% | +176 points |
| Q3 2024 | -21% | -24 points |
SILC's operating margin was −8.4% last quarter, up 13 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.
SILC Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q2 2026 | $0 | $0 |
| Q1 2026 | $0 | $0 |
| Q4 2025 | -$3.3M | -$3.3M |
| Q3 2025 | $0 | $0 |
| Q2 2025 | $0 | $0 |
| Q1 2025 | $0 | $0 |
| Q4 2024 | $0 | $0 |
| Q3 2024 | $0 | $0 |
SILC's free cash flow was −$3M over the past year, against $0 the year before.
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.
SILC Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +0.1% | +7K shares |
| 1 year | +0.6% | +33K shares |
| 3 years | -16% | -1.1M shares |
| 5 years | -18% | -1.3M shares |
| Available history | -24% | -1.8M shares |
SILC has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q2 2026 | — |
| Q1 2026 | — |
| Q4 2025 | $1.7M |
| Q3 2025 | — |
| Q2 2025 | — |
| Q1 2025 | — |
| Q4 2024 | — |
| Q3 2024 | — |
SILC spent $2M buying back its own shares over the past year, after none 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.
SILC Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2023 | -1.8x | Net Cash |
| Q2 2023 | -1.2x | Net Cash |
| Q1 2023 | -0.8x | Net Cash |
| Q4 2022 | -0.9x | Net Cash |
| Q3 2022 | -0.6x | Net Cash |
| Q2 2022 | -0.8x | Net Cash |
| Q1 2022 | 0.0x | Very low |
| Q4 2021 | -1.2x | Net Cash |
SILC 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).
SILC Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 42.7 | Neutral |
| Stochastic | 7.7 | Oversold |
SILC's weekly RSI is 43 (neutral) and its Stochastic is 8 (oversold).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
SILC PE vs Technology Sector
| Metric | SILC | Sector median | Relative |
|---|---|---|---|
| PE | N/A | 28x | — |
SILC 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.
SILC Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $42.9 | 27% below |
| 20 week MA | $43.0 | 27% below |
| 50 week MA | $33.0 | 4.7% below |
| 100 week MA | $24.4 | 29% above |
| 200 week MA | $23.5 | 34% above |
SILC 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.
SILC Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $32.9 | $41.3 | +25% |
| 2021 | $41.3 | $49.2 | +19% |
| 2022 | $49.2 | $41.6 | -15% |
| 2023 | $41.6 | $18.1 | -56% |
| 2024 | $18.1 | $16.5 | -8.7% |
| 2025 | $16.5 | $14.1 | -15% |
| 2026 YTD | $14.1 | $31.5 | +123% |
SILC has the edge over AAOI on returns for 2026, with the stronger performance.