AAOI
Applied Optoelectronics, Inc.
AAOI's outlook is improving, though it still trails on the overall score.
DDOG
Datadog, Inc.
DDOG has the edge over AAOI overall, supported by lower modeled downside and stronger valuation.
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.
DDOG Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Healthy | |
| Strong | |
| Strong |
DDOG's revenue, profitability, cash flow and balance sheet are all currently healthy.
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.
DDOG PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Forward | 62x | $184 | — |
| Cheap | 251x | $181 | -2.1% |
| Current | 256x | $184 | — |
| Fair | 379x | $273 | +48% |
| Expensive | 621x | $447 | +142% |
Historical ranges are pointers, not guarantees.
DDOG's PE is in its cheap range at 256x. If earnings grow as analysts expect, today's price would be 62x next year's earnings.
AAOI Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Returning to profit | |
| Strong growth | |
| Strongly improving | |
| Limited | |
| Low |
AAOI has the edge over DDOG on the outlook, with more favorable profitability expectations.
DDOG Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Strong growth | |
| Stable | |
| Broad | |
| Low |
Analysts expect strong earnings and revenue growth for DDOG, with 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 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.
DDOG Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $2.99 | +315% |
| Q3 2026 | $0.72 | +125% |
| Q2 2026 | $0.50 | +39% |
| Q1 2026 | $0.39 | -17% |
| Q4 2025 | $0.31 | -40% |
| Q3 2025 | $0.32 | -42% |
| Q2 2025 | $0.36 | -23% |
| Q1 2025 | $0.47 | +38% |
| Q4 2024 | $0.52 | +271% |
DDOG 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 DDOG on sales, with stronger typical year-over-year growth.
| 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.
DDOG Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $1.2B | +35% |
| Q2 2026 | $1.1B | +36% |
| Q1 2026 | $1B | +32% |
| Q4 2025 | $953.2M | +29% |
| Q3 2025 | $885.7M | +28% |
| Q2 2025 | $826.8M | +28% |
| Q1 2025 | $761.6M | +25% |
| Q4 2024 | $737.7M | +25% |
DDOG's revenue has grown year over year every quarter since late 2020: $1.2B last quarter, up 35% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 6.2% | +6.9 points |
| Q2 2026 | 0.5% | +4.8 points |
| Q1 2026 | 0.7% | +2.4 points |
| Q4 2025 | 1% | -0.3 points |
| Q3 2025 | -0.7% | -3.6 points |
| Q2 2025 | -4.3% | -6.3 points |
| Q1 2025 | -1.6% | -3.6 points |
| Q4 2024 | 1.3% | -3.4 points |
DDOG 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.
DDOG Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $279.1M | +19% |
| Q2 2026 | $306M | +65% |
| Q1 2026 | $323.3M | +23% |
| Q4 2025 | $318.2M | +24% |
| Q3 2025 | $234.7M | +6.5% |
| Q2 2025 | $184.9M | +16% |
| Q1 2025 | $262.8M | +33% |
| Q4 2024 | $257.5M | +23% |
DDOG 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.
DDOG Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +1.1% | +4M shares |
| 1 year | +3.6% | +13M shares |
| 3 years | +6.7% | +23.7M shares |
| 5 years | +21% | +64.8M shares |
| Available history | +14% | +47.2M shares |
DDOG has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
DDOG Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | 0.6x | Very low |
| Q2 2026 | 7.0x | High |
| Q1 2026 | 18.2x | High |
| Q4 2025 | 123.2x | High |
| Q3 2025 | 94.8x | High |
| Q2 2025 | 16.5x | High |
| Q1 2025 | 6.9x | High |
| Q4 2024 | 3.6x | Elevated |
DDOG's net debt is less than a year of its operating earnings (EBITDA), down from more than 20 years a year ago.
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).
DDOG Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 42.5 | Neutral |
| Stochastic | 16.7 | Oversold |
DDOG's weekly RSI is 43 (neutral) and its Stochastic is 17 (oversold).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
DDOG PE vs Technology Sector
| Metric | DDOG | Sector median | Relative |
|---|---|---|---|
| PE | 256x | 28x | 820% above |
| PE % | 19 | 35 | 16 pts below |
DDOG is trading at 256x earnings, a 820% 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.
DDOG Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $244.3 | 24% below |
| 20 week MA | $243.6 | 24% below |
| 50 week MA | $189.3 | 2.6% below |
| 100 week MA | $161.1 | 14% above |
| 200 week MA | $134.5 | 37% above |
DDOG 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 has the edge over DDOG on returns for 2026, with the stronger performance.
DDOG Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $36.1 | $106.3 | +194% |
| 2021 | $106.3 | $180.4 | +70% |
| 2022 | $180.4 | $72.4 | -60% |
| 2023 | $72.4 | $121.4 | +68% |
| 2024 | $121.4 | $146.0 | +20% |
| 2025 | $146.0 | $138.3 | -5.3% |
| 2026 YTD | $138.3 | $184.5 | +33% |
DDOG's yearly returns have swung widely, from +194% in 2020 to −60% in 2022. It's up 33% so far in 2026.