AAOI
Applied Optoelectronics, Inc.
AAOI has the edge over GSIT overall, supported by stronger fundamentals and stronger modeled upside.
GSIT
GSI Technology, Inc.
GSIT has 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.
GSIT Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Weak | |
| Weak | |
| Unavailable |
GSIT's revenue is currently stable, but its profitability and cash flow are weak. 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.
GSIT PE Valuation
GSIT 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.
GSIT Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Losses growing | |
| Strong decline | |
| -- | |
| Limited | |
| High |
Analysts expect GSIT's losses to grow, with revenue declining.
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.
GSIT Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q3 2026 | -$0.54 | -$0.10 |
| Q2 2026 | -$0.47 | +$0.07 |
| Q1 2026 | -$0.42 | $0.00 |
| Q4 2025 | -$0.37 | +$0.13 |
| Q3 2025 | -$0.44 | +$0.16 |
| Q2 2025 | -$0.54 | +$0.01 |
| Q1 2025 | -$0.42 | +$0.38 |
| Q4 2024 | -$0.50 | +$0.29 |
GSIT 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 GSIT 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 GSIT on profitability, with a higher operating margin.
GSIT Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $6M | -6.6% |
| Q2 2026 | $6.3M | +0.5% |
| Q1 2026 | $6.3M | +7.4% |
| Q4 2025 | $6.1M | +12% |
| Q3 2025 | $6.4M | +42% |
| Q2 2025 | $6.3M | +35% |
| Q1 2025 | $5.9M | +14% |
| Q4 2024 | $5.4M | +1.8% |
GSIT's revenue fell from its 2019 peak and has held roughly level since: $6M last quarter, down 6.6% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | -124% | -74 points |
| Q2 2026 | -85% | -51 points |
| Q1 2026 | -82% | -44 points |
| Q4 2025 | -114% | -39 points |
| Q3 2025 | -49% | +73 points |
| Q2 2025 | -35% | -58 points |
| Q1 2025 | -39% | +49 points |
| Q4 2024 | -75% | +51 points |
GSIT's operating margin was −124% last quarter, down 74 points from the same quarter a year ago, near the bottom of its range since 2019.
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.
GSIT Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | -$8.1M | -$7.2M |
| Q2 2026 | -$4.2M | -$2.5M |
| Q1 2026 | -$5.6M | -$3.9M |
| Q4 2025 | -$8.2M | -$4.6M |
| Q3 2025 | -$906K | +$2.6M |
| Q2 2025 | -$1.7M | +$2.6M |
| Q1 2025 | -$1.7M | +$5.5M |
| Q4 2024 | -$3.6M | +$340K |
GSIT has the edge over AAOI on cash flow, with more consistent year-over-year improvement.
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
GSIT Net Leverage
GSIT'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).
GSIT Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 32.4 | Neutral |
| Stochastic | 4.2 | Oversold |
GSIT's weekly RSI is 32 (neutral) and its Stochastic is 4 (oversold).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
GSIT PE vs Technology Sector
GSIT 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 GSIT on trend strength, trading above more of its moving averages.
GSIT Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $4.26 | 24% below |
| 20 week MA | $5.27 | 39% below |
| 50 week MA | $6.52 | 51% below |
| 100 week MA | $5.21 | 38% below |
| 200 week MA | $4.16 | 23% below |
GSIT is in a downtrend: it's below all five of its weekly moving averages, and 23% 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 GSIT on returns for 2026, with the stronger performance.
GSIT Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $7.07 | $7.32 | +3.5% |
| 2021 | $7.32 | $4.69 | -36% |
| 2022 | $4.69 | $1.63 | -65% |
| 2023 | $1.63 | $2.64 | +62% |
| 2024 | $2.64 | $3.05 | +16% |
| 2025 | $3.05 | $7.65 | +151% |
| 2026 YTD | $7.65 | $3.22 | -58% |
GSIT's yearly returns have swung widely, from +151% in 2025 to −65% in 2022. It's down 58% so far in 2026.