AAOI
Applied Optoelectronics, Inc.
AAOI's outlook is improving, though it still trails on the overall score.
QMCO
Quantum Corporation
QMCO has the edge over AAOI overall, supported by 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.
QMCO Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Stable | |
| Stable | |
| Strong |
QMCO's revenue and balance sheet are currently strong, and its profitability and cash flow are 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.
QMCO PE Valuation
QMCO 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 22x 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.
QMCO Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Returning to profit | |
| Strong growth | |
| Strongly improving | |
| Limited | |
| High |
Analysts expect QMCO to return to profit, 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 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.
QMCO Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $0.75 | — |
| Q3 2026 | -$10.81 | +$13.07 |
| Q2 2026 | -$13.16 | +$10.05 |
| Q1 2026 | -$7.97 | +$17.77 |
| Q4 2025 | -$11.35 | +$14.43 |
| Q3 2025 | -$23.88 | -$10.66 |
| Q2 2025 | -$23.21 | -$12.01 |
| Q1 2025 | -$25.74 | -$16.74 |
| Q4 2024 | -$25.78 | -$17.98 |
QMCO is still losing money, but far less than before: $10.81 per share over the past year, against $25.78 at its worst in late 2024.
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 QMCO 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.
QMCO Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $89.6M | +43% |
| Q2 2026 | $80.8M | +26% |
| Q1 2026 | $78M | +27% |
| Q4 2025 | $74.6M | +2.8% |
| Q3 2025 | $62.7M | -11% |
| Q2 2025 | $64.3M | -9.9% |
| Q1 2025 | $61.3M | -14% |
| Q4 2024 | $72.6M | +0.9% |
QMCO's revenue is recovering but still below its 2022 peak: $90M last quarter, up 43% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 7.6% | +21 points |
| Q2 2026 | 6.2% | +26 points |
| Q1 2026 | -3.3% | +16 points |
| Q4 2025 | -1.6% | +3.7 points |
| Q3 2025 | -13% | -3.2 points |
| Q2 2025 | -20% | +5.3 points |
| Q1 2025 | -19% | +0.4 points |
| Q4 2024 | -5.3% | +3.3 points |
QMCO 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.
QMCO Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $13.1M | +$29.1M |
| Q2 2026 | $552K | +$18.6M |
| Q1 2026 | -$1.2M | +$2.7M |
| Q4 2025 | -$4.3M | -$21K |
| Q3 2025 | -$16M | +$894K |
| Q2 2025 | -$18.1M | -$14.6M |
| Q1 2025 | -$3.9M | -146% |
| Q4 2024 | -$4.2M | +$7.4M |
QMCO 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 the edge over QMCO on shareholder dilution, with a more favorable share count trend.
QMCO Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +79% | +17.4M shares |
| 1 year | +196% | +26.1M shares |
| 3 years | +742% | +34.8M shares |
| 5 years | +1827% | +37.4M shares |
| Available history | +1594% | +37.1M shares |
QMCO has 39M diluted shares, up 196% from a year ago.
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
QMCO Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | -4.9x | Net Cash |
| Q4 2020 | 12.1x | High |
| Q3 2020 | 8.3x | High |
| Q2 2020 | 7.5x | High |
| Q1 2020 | 5.8x | High |
QMCO 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).
QMCO Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 48.3 | Neutral |
| Stochastic | 23.6 | Neutral |
QMCO's weekly RSI is 48 (neutral) and its Stochastic is 24 (neutral).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
QMCO PE vs Technology Sector
QMCO 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 fallen below most of its moving averages, though it's still 43% above its 200-week average.
QMCO Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $22.8 | 27% below |
| 20 week MA | $19.5 | 15% below |
| 50 week MA | $12.5 | 33% above |
| 100 week MA | $13.7 | 22% above |
| 200 week MA | $13.2 | 26% above |
QMCO 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.
QMCO Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $147.0 | $118.2 | -20% |
| 2021 | $118.2 | $103.8 | -12% |
| 2022 | $103.8 | $22.8 | -78% |
| 2023 | $22.8 | $6.98 | -69% |
| 2024 | $6.98 | $70.7 | +912% |
| 2025 | $70.7 | $6.96 | -90% |
| 2026 YTD | $6.96 | $16.6 | +139% |
QMCO has the edge over AAOI on returns for 2026, with the stronger performance.