AAOI
Applied Optoelectronics, Inc.
AAOI offers stronger modeled upside, but that advantage does not outweigh its weaker overall profile.
RBRK
Rubrik, Inc.
RBRK has the edge over AAOI overall, supported by stronger fundamentals and lower modeled downside.
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.
RBRK Fundamentals
| Metric | Status |
|---|---|
| Healthy | |
| Under pressure | |
| Strong | |
| Unavailable |
RBRK's revenue and cash flow are currently healthy, but its profitability is under pressure. 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.
RBRK PE Valuation
RBRK 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 180x next year's earnings.
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.
RBRK Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Returning to profit | |
| Strong growth | |
| Strongly improving | |
| Moderate | |
| Low |
Analysts expect RBRK to return to profit, with revenue growing. 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.
RBRK Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $0.61 | — |
| Q3 2026 | -$1.27 | +$1.09 |
| Q2 2026 | -$1.46 | +$1.39 |
| Q1 2026 | -$1.78 | +$12.02 |
| Q4 2025 | -$1.97 | +$11.75 |
| Q3 2025 | -$2.36 | +$11.14 |
| Q2 2025 | -$2.85 | +$10.14 |
| Q1 2025 | -$13.80 | -$11.79 |
| Q4 2024 | -$13.72 | -$11.77 |
RBRK 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 RBRK 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 has the edge over RBRK on profitability, with a higher operating margin.
RBRK Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $427.3M | +38% |
| Q2 2026 | $387.1M | +39% |
| Q1 2026 | $377.7M | +46% |
| Q4 2025 | $350.2M | +48% |
| Q3 2025 | $309.9M | +51% |
| Q2 2025 | $278.5M | +49% |
| Q1 2025 | $258.1M | +47% |
| Q4 2024 | $236.2M | +43% |
RBRK's revenue has grown year over year for 12 quarters in a row: $427M last quarter, up 38% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | -17% | +14 points |
| Q2 2026 | -14% | +20 points |
| Q1 2026 | -22% | +23 points |
| Q4 2025 | -22% | +31 points |
| Q3 2025 | -30% | +52 points |
| Q2 2025 | -33% | +354 points |
| Q1 2025 | -45% | +2.5 points |
| Q4 2024 | -53% | -13 points |
RBRK's operating margin was −17% last quarter, up 14 points from the same quarter a year ago.
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.
RBRK Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $71.2M | +16% |
| Q2 2026 | $77.4M | +110% |
| Q1 2026 | $74.5M | -4.5% |
| Q4 2025 | $80.7M | +348% |
| Q3 2025 | $61.2M | +$90.9M |
| Q2 2025 | $36.8M | +$71.8M |
| Q1 2025 | $78M | +795% |
| Q4 2024 | $18M | +422% |
RBRK 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.
RBRK Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +1.2% | +2.4M shares |
| 1 year | +5.8% | +11.2M shares |
| 3 years | +17% | +30.2M shares |
RBRK has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q1 2024 | — |
| Q4 2023 | — |
| Q3 2023 | — |
| Q2 2023 | — |
| Q1 2023 | — |
| Q4 2022 | — |
| Q3 2022 | $3,000 |
| Q2 2022 | $3,000 |
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
RBRK Net Leverage
RBRK'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).
RBRK Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 56.9 | Neutral |
| Stochastic | 57.5 | Neutral |
RBRK's weekly RSI is 57 (neutral) and its Stochastic is 58 (neutral).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
RBRK PE vs Technology Sector
RBRK 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 |
RBRK has stronger trend alignment. AAOI is above 1 of 5 weekly averages versus RBRK above 3 of 4.
RBRK Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $116.8 | 5.5% below |
| 20 week MA | $100.0 | 10% above |
| 50 week MA | $77.7 | 42% above |
| 100 week MA | $77.2 | 43% above |
RBRK's trend is up, with a small recent dip: it's below only its 8-week average, and 43% above its 100-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 RBRK on returns for 2026, with the stronger performance.
RBRK Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2024 | $38.0 | $68.4 | +80% |
| 2025 | $68.4 | $78.7 | +15% |
| 2026 YTD | $78.7 | $110.4 | +40% |
RBRK has finished every year since 2024 higher, and it's up 40% so far in 2026.