AAOI
Applied Optoelectronics, Inc.
AAOI has the edge over ATHR overall, supported by stronger fundamentals and stronger modeled upside.
ATHR
Aether Holdings, Inc. Common Stock
ATHR 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.
ATHR Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Weak | |
| Weak | |
| Unavailable |
ATHR'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.
ATHR PE Valuation
ATHR 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.
ATHR Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Losses shrinking | |
| Strong growth | |
| -- | |
| Limited | |
| High |
Analysts expect ATHR's losses to shrink, 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 has the edge over ATHR on earnings, with more consistent year-over-year improvement.
ATHR Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q2 2026 | -$0.42 | -$0.25 |
| Q1 2026 | -$0.39 | -$0.27 |
| Q4 2025 | -$0.35 | -$0.26 |
| Q3 2025 | -$0.26 | -$0.18 |
| Q2 2025 | -$0.17 | -$0.12 |
| Q1 2025 | -$0.12 | -$0.07 |
| Q4 2024 | -$0.09 | -$0.06 |
ATHR lost $0.42 per share over the past year, and its loss has widened in each of the last eight quarters.
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 ATHR 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 ATHR on profitability, with a higher operating margin.
ATHR Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q2 2026 | $328.7K | -4% |
| Q1 2026 | $336K | -1.7% |
| Q4 2025 | $338.8K | -4.5% |
| Q3 2025 | $341.9K | -3.1% |
| Q2 2025 | $342.4K | -4% |
| Q1 2025 | $341.9K | -6.4% |
| Q4 2024 | $354.6K | -2.9% |
| Q3 2024 | $352.8K | -4.5% |
ATHR's revenue fell from its 2023 peak and has held roughly level since: $328,705 last quarter, down 4% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q2 2026 | -408% | -115 points |
| Q1 2026 | -306% | -194 points |
| Q4 2025 | -383% | -303 points |
| Q3 2025 | -416% | -329 points |
| Q2 2025 | -294% | -202 points |
| Q1 2025 | -113% | -65 points |
| Q4 2024 | -80% | -55 points |
| Q3 2024 | -88% | -74 points |
ATHR's operating margin was −408% last quarter, down 115 points from the same quarter a year ago, near the bottom of its range since 2023.
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.
ATHR Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q4 2025 | -$2.2M | -$1.9M |
| Q3 2025 | -$1.6M | -$1.2M |
| Q4 2024 | -$258K | -$186.5K |
| Q3 2024 | -$351.1K | -559% |
| Q2 2024 | -$241.2K | -1535% |
ATHR has burned cash in most quarters: −$6M over the past year, against −$935,836 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.
ATHR Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | 0% | +38 shares |
| 1 year | +2.3% | +271K shares |
| 3 years | +2.6% | +313K shares |
ATHR has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q4 2024 | — |
| Q3 2024 | — |
| Q2 2024 | — |
| Q1 2024 | — |
| Q4 2023 | — |
| Q3 2023 | — |
| Q2 2023 | — |
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
ATHR Net Leverage
ATHR'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).
ATHR Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 41.1 | Neutral |
| Stochastic | 12.4 | Oversold |
ATHR's weekly RSI is 41 (neutral) and its Stochastic is 12 (oversold).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
ATHR PE vs Technology Sector
ATHR 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 stronger trend alignment. AAOI is above 1 of 5 weekly averages versus ATHR above 0 of 3.
ATHR Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $2.87 | 8.4% below |
| 20 week MA | $3.41 | 23% below |
| 50 week MA | $3.91 | 33% below |
ATHR is in a downtrend: it's below all three of its weekly moving averages, and 33% below its 50-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 ATHR on returns for 2026, with the stronger performance.
ATHR Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2025 | $5.50 | $5.84 | +6.2% |
| 2026 YTD | $5.84 | $2.63 | -55% |
ATHR has finished every year since 2025 higher, and it's down 55% so far in 2026.