AAOI
Applied Optoelectronics, Inc.
AAOI lost money over the past year, so it has no meaningful PE right now. Analysts expect earnings to recover and profitability to improve, though they disagree widely on how much.
SAIH
SAIHEAT Limited
There isn't enough reported data to score SAIH yet.
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.
SAIH Fundamentals
| Metric | Status |
|---|---|
| Unavailable | |
| Unavailable | |
| Unavailable | |
| Unavailable |
There isn't enough reported data to rate SAIH's fundamentals.
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.
SAIH PE Valuation
SAIH 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.
SAIH Forward outlook
There aren't enough analyst estimates for SAIH 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.
SAIH Earnings Per Share
SAIH and AAOI do not have enough comparable growth data to identify a winner.
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 SAIH in the latest year-over-year revenue comparison.
| 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.
SAIH Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q4 2025 | $689K | -71% |
AAOI has the edge over SAIH in the latest year-over-year revenue comparison.
| Quarter | Margin | YoY |
|---|---|---|
| Q4 2025 | -276% | N/A |
| Q2 2025 | -88% | N/A |
| Q4 2024 | -216% | N/A |
| Q2 2022 | -29% | N/A |
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.
SAIH Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q4 2025 | $0 | $0 |
| Q1 2022 | -$125.7K | -$121.2K |
SAIH has burned cash in most quarters: −$125,717 over the past year, against −$822,874 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.
SAIH Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +8.3% | +6.9K shares |
| 1 year | +35% | +23.1K shares |
SAIH has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q4 2025 | — |
| Q2 2025 | — |
| Q4 2024 | — |
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
SAIH Net Leverage
SAIH'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).
SAIH Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 53.2 | Neutral |
| Stochastic | 34.8 | Neutral |
SAIH's weekly RSI is 53 (neutral) and its Stochastic is 35 (neutral).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
SAIH PE vs Technology Sector
SAIH 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.
SAIH Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $25.8 | 14% below |
| 20 week MA | $22.0 | 0.4% above |
| 50 week MA | $14.4 | 53% above |
| 100 week MA | $11.3 | 95% above |
| 200 week MA | $14.8 | 49% above |
SAIH 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.
SAIH Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2021 | $144.5 | $146.9 | +1.7% |
| 2022 | $146.9 | $48.0 | -67% |
| 2023 | $48.0 | $17.9 | -63% |
| 2024 | $17.9 | $10.8 | -39% |
| 2025 | $10.8 | $9.39 | -13% |
| 2026 YTD | $9.39 | $22.1 | +135% |
SAIH has the edge over AAOI on returns for 2026, with the stronger performance.