AAOI
Applied Optoelectronics, Inc.
AAOI offers stronger valuation, but that advantage does not outweigh its weaker overall profile.
EXTR
Extreme Networks, Inc.
EXTR 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.
EXTR Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Healthy | |
| Healthy | |
| Strong |
EXTR's profitability, cash flow and balance sheet are currently healthy, and its revenue is stable.
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.
EXTR PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Forward | 19x | $27.18 | — |
| Cheap | 26x | $10.05 | -63% |
| Fair | 56x | $21.70 | -20% |
| Current | 70x | $27.18 | — |
| Expensive | 269x | $105 | +286% |
Historical ranges are pointers, not guarantees.
EXTR's PE is in its fair range at 70x. If earnings grow as analysts expect, today's price would be 19x next year's earnings, in its cheap range.
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.
EXTR Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Growth | |
| Strongly improving | |
| Limited | |
| High |
Analysts expect earnings and revenue growth for EXTR, with profitability improving.
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.
EXTR Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $1.39 | +258% |
| Q3 2026 | $0.39 | +550% |
| Q2 2026 | $0.31 | +$0.37 |
| Q1 2026 | $0.11 | +$0.50 |
| Q4 2025 | $0.06 | +$0.98 |
| Q3 2025 | $0.06 | +$1.01 |
| Q2 2025 | -$0.06 | +$0.60 |
| Q1 2025 | -$0.39 | -$0.32 |
| Q4 2024 | -$0.92 | -253% |
EXTR has the edge over AAOI on earnings quality, reporting a profit while its opponent remains loss making.
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 EXTR 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'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.
EXTR Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $341.1M | +9.9% |
| Q2 2026 | $338.5M | +10% |
| Q1 2026 | $316.9M | +11% |
| Q4 2025 | $317.9M | +14% |
| Q3 2025 | $310.2M | +15% |
| Q2 2025 | $307M | +20% |
| Q1 2025 | $284.5M | +35% |
| Q4 2024 | $279.4M | -5.7% |
EXTR's revenue has grown year over year for seven quarters in a row: $341M last quarter, up 9.9% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 6.8% | +3.1 points |
| Q2 2026 | 6.2% | +6.7 points |
| Q1 2026 | 5.5% | +1.8 points |
| Q4 2025 | 4.1% | -0.4 points |
| Q3 2025 | 3.6% | +5.4 points |
| Q2 2025 | -0.5% | +19 points |
| Q1 2025 | 3.6% | +33 points |
| Q4 2024 | 4.5% | +1.1 points |
EXTR has the edge over AAOI on profitability, with a higher operating margin.
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.
EXTR Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $38.7M | +$59.5M |
| Q2 2026 | $65.3M | -13% |
| Q1 2026 | $7.8M | -68% |
| Q4 2025 | $43M | +167% |
| Q3 2025 | -$20.9M | -279% |
| Q2 2025 | $75.3M | +584% |
| Q1 2025 | $24.2M | +$97.8M |
| Q4 2024 | $16.1M | -44% |
EXTR has the edge over AAOI on cash generation, producing positive trailing cash flow while its opponent burns cash.
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.
EXTR Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | -0.2% | -287K shares |
| 1 year | -0.3% | -388K shares |
| 3 years | +0.9% | +1.2M shares |
| 5 years | +1.1% | +1.5M shares |
| Available history | +13% | +15.1M shares |
EXTR has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q3 2026 | $25M |
| Q2 2026 | $25M |
| Q1 2026 | $50M |
| Q4 2025 | — |
| Q3 2025 | $12M |
| Q2 2025 | $25M |
| Q2 2024 | — |
| Q1 2024 | — |
EXTR spent $100M buying back its own shares over the past year.
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
EXTR Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | -0.5x | Net Cash |
| Q2 2026 | -0.6x | Net Cash |
| Q1 2026 | -0.2x | Net Cash |
| Q4 2025 | -1.0x | Net Cash |
| Q3 2025 | -0.2x | Net Cash |
| Q2 2025 | -1.6x | Net Cash |
| Q1 2024 | 0.9x | Very low |
| Q4 2023 | -0.2x | Net Cash |
EXTR 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).
EXTR Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 59.7 | Neutral |
| Stochastic | 48.5 | Neutral |
EXTR's weekly RSI is 60 (neutral) and its Stochastic is 49 (neutral).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
EXTR PE vs Technology Sector
| Metric | EXTR | Sector median | Relative |
|---|---|---|---|
| PE | 70x | 28x | 150% above |
| PE % | 64 | 35 | 29 pts above |
EXTR is trading at 70x earnings, a 150% premium to the Technology sector's median of 28x.
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.
EXTR Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $23.3 | 17% above |
| 20 week MA | $25.0 | 8.7% above |
| 50 week MA | $21.5 | 26% above |
| 100 week MA | $19.3 | 41% above |
| 200 week MA | $18.4 | 48% above |
EXTR 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.
EXTR Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $7.37 | $7.00 | -5% |
| 2021 | $7.00 | $15.0 | +114% |
| 2022 | $15.0 | $18.5 | +23% |
| 2023 | $18.5 | $17.6 | -4.4% |
| 2024 | $17.6 | $17.1 | -3.1% |
| 2025 | $17.1 | $16.9 | -1.2% |
| 2026 YTD | $16.9 | $27.2 | +61% |
EXTR has the edge over AAOI on returns for 2026, with the stronger performance.