AAOI
Applied Optoelectronics, Inc.
AAOI has the edge over GCTS overall, supported by stronger modeled upside.
GCTS
GCT Semiconductor Holding, Inc.
GCTS has slightly 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.
GCTS Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Under pressure | |
| Weak | |
| Unavailable |
GCTS's revenue is currently stable, but its profitability and cash flow are under pressure. There isn't enough data to rate its balance sheet.
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.
GCTS PE Valuation
GCTS 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.
GCTS Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Losses steady | |
| Strong growth | |
| -- | |
| Limited | |
| Low |
Analysts expect GCTS's revenue to grow, with its earnings and profitability holding steady. 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 GCTS on earnings, with more consistent year-over-year improvement.
GCTS Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q3 2026 | -$0.64 | +$0.17 |
| Q2 2026 | -$0.81 | -$0.09 |
| Q1 2026 | -$0.82 | -$0.34 |
| Q4 2025 | -$0.82 | -$0.52 |
GCTS lost $0.64 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 GCTS 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 GCTS on profitability, with a higher operating margin.
GCTS Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $1.1M | +149% |
| Q2 2026 | $971K | -18% |
| Q1 2026 | $1.9M | +287% |
| Q4 2025 | $758K | -58% |
| Q3 2025 | $430K | -84% |
| Q2 2025 | $1.2M | -19% |
| Q1 2025 | $496K | -85% |
GCTS's revenue is recovering but still below its 2024 peak: $1M last quarter, up 149% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | -690% | +1463 points |
| Q2 2026 | -764% | -121 points |
| Q1 2026 | -319% | +1241 points |
| Q4 2025 | -1577% | -1164 points |
| Q3 2025 | -2152% | -1926 points |
| Q2 2025 | -642% | -160 points |
| Q1 2025 | -1560% | -1782 points |
| Q4 2024 | -413% | N/A |
GCTS's operating margin was −690% last quarter, up 1462 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.
GCTS Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | -$10.3M | -$2.5M |
| Q2 2026 | -$16.9M | -$8.1M |
| Q1 2026 | -$7.5M | +$575K |
| Q4 2025 | -$8.5M | -$5.9M |
| Q3 2025 | -$7.8M | -$3.1M |
GCTS 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 the edge over GCTS on shareholder dilution, with a more favorable share count trend.
GCTS Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +11% | +9.3M shares |
| 1 year | +78% | +40.2M shares |
GCTS has 92M diluted shares, up 78% from a year ago.
| Quarter | Spent |
|---|---|
| Q4 2021 | — |
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
GCTS Net Leverage
GCTS's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
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).
GCTS Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 45.6 | Neutral |
| Stochastic | 15.3 | Oversold |
GCTS's weekly RSI is 46 (neutral) and its Stochastic is 15 (oversold).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
GCTS PE vs Technology Sector
GCTS 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 the edge over GCTS on trend strength, trading above more of its moving averages.
GCTS Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $1.65 | 6.7% below |
| 20 week MA | $1.92 | 20% below |
| 50 week MA | $1.73 | 11% below |
| 100 week MA | $1.68 | 8.3% below |
| 200 week MA | $4.98 | 69% below |
GCTS is in a downtrend: it's below all five of its weekly moving averages, and 69% 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 GCTS on returns for 2026, with the stronger performance.
GCTS Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2022 | $9.90 | $10.2 | +2.8% |
| 2023 | $10.2 | $10.6 | +3.7% |
| 2024 | $10.6 | $2.35 | -78% |
| 2025 | $2.35 | $1.22 | -48% |
| 2026 YTD | $1.22 | $1.54 | +26% |
GCTS has finished lower in two of the last four years. It's up 26% so far in 2026.