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.
MARA
Marathon Digital Holdings, Inc.
There isn't enough reported data to score MARA 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.
MARA Fundamentals
| Metric | Status |
|---|---|
| Weak | |
| Weak | |
| N/A | |
| N/A |
MARA's revenue and profitability are currently weak. Free cash flow and net leverage aren't meaningful measures for financial services companies like MARA.
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.
MARA PE Valuation
MARA 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.
MARA Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Losses shrinking | |
| Stable | |
| -- | |
| Limited | |
| Low |
Analysts expect MARA's losses to shrink, with revenue 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 has the edge over MARA on earnings, with more consistent year-over-year improvement.
MARA Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q3 2026 | -$7.88 | -465% |
| Q2 2026 | -$8.89 | -705% |
| Q1 2026 | -$5.45 | -$4.36 |
| Q4 2025 | -$3.69 | -315% |
| Q3 2025 | $2.16 | +148% |
| Q2 2025 | $1.47 | -10% |
| Q1 2025 | -$1.09 | -149% |
| Q4 2024 | $1.72 | +87% |
MARA has swung to a loss: it lost $7.88 per share over the past year, after a profit the year before.
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 MARA 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.
MARA Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $164.2M | -35% |
| Q2 2026 | $174.9M | -27% |
| Q1 2026 | $174.6M | -18% |
| Q4 2025 | $202.3M | -5.6% |
| Q3 2025 | $252.4M | +92% |
| Q2 2025 | $238.5M | +64% |
| Q1 2025 | $213.9M | +29% |
| Q4 2024 | $214.4M | +37% |
MARA's revenue has slid since its 2025 peak: $164M last quarter, down 35% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 108% | +89 points |
| Q2 2026 | -298% | -583 points |
| Q1 2026 | -608% | -355 points |
| Q4 2025 | -697% | -856 points |
| Q3 2025 | 19% | +150 points |
| Q2 2025 | 285% | +445 points |
| Q1 2025 | -253% | -477 points |
| Q4 2024 | 159% | +41 points |
MARA 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.
MARA Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | -$263.6M | +$20.3M |
| Q2 2026 | -$238.5M | +$43.8M |
| Q1 2026 | -$327M | -$72.7M |
| Q4 2025 | -$389.2M | +$110.7M |
| Q3 2025 | -$283.9M | -$85.8M |
| Q2 2025 | -$282.4M | -$150M |
| Q1 2025 | -$254.3M | -$156.9M |
| Q4 2024 | -$499.9M | -$407M |
MARA has the edge over AAOI on cash flow, with more consistent year-over-year improvement.
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.
MARA Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +30% | +115M shares |
| 1 year | +13% | +55.5M shares |
| 3 years | +212% | +337M shares |
| 5 years | +416% | +400M shares |
MARA has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q3 2026 | $13.7M |
| Q2 2026 | $7.7M |
| Q1 2026 | $7.5M |
| Q4 2025 | $3.7M |
| Q3 2025 | $7.7M |
| Q2 2025 | $15.2M |
| Q1 2025 | $20.4M |
| Q4 2024 | $5.9M |
MARA spent $33M buying back its own shares over the past year, down 34% from the year before.
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
MARA Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2025 | 2.1x | Moderate |
| Q2 2025 | 2.5x | Moderate |
| Q4 2024 | 2.9x | Moderate |
| Q3 2024 | 0.9x | Very low |
| Q2 2024 | 0.1x | Very low |
| Q1 2024 | 0.0x | Very low |
| Q4 2023 | -0.1x | Net Cash |
| Q3 2023 | 2.6x | Moderate |
MARA's net debt is about 2.1 years of its operating earnings (EBITDA), up from less than a year a year ago. Net leverage isn't a meaningful measure for financial services companies like MARA.
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).
MARA Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 38.4 | Neutral |
| Stochastic | 10.2 | Oversold |
MARA's weekly RSI is 38 (neutral) and its Stochastic is 10 (oversold).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
MARA PE vs Financial Services Sector
| Metric | MARA | Sector median | Relative |
|---|---|---|---|
| PE | N/A | 13x | — |
MARA 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 the edge over MARA on trend strength, trading above more of its moving averages.
MARA Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $8.54 | 16% below |
| 20 week MA | $10.3 | 30% below |
| 50 week MA | $10.6 | 32% below |
| 100 week MA | $13.3 | 46% below |
| 200 week MA | $14.4 | 50% below |
MARA is in a downtrend: it's below all five of its weekly moving averages, and 50% below its 200-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 MARA on returns for 2026, with the stronger performance.
MARA Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $0.90 | $10.9 | +1113% |
| 2021 | $10.9 | $38.1 | +249% |
| 2022 | $38.1 | $3.62 | -91% |
| 2023 | $3.62 | $23.5 | +549% |
| 2024 | $23.5 | $18.4 | -21% |
| 2025 | $18.4 | $9.59 | -48% |
| 2026 YTD | $9.59 | $7.20 | -25% |
MARA's yearly returns have swung widely, from +1113% in 2020 to −91% in 2022. It's down 25% so far in 2026.