AAOI
Applied Optoelectronics, Inc.
AAOI offers stronger modeled upside, but that advantage does not outweigh its weaker overall profile.
MDB
MongoDB, Inc.
MDB 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.
MDB Fundamentals
| Metric | Status |
|---|---|
| Healthy | |
| Stable | |
| Strong | |
| Strong |
MDB's revenue, cash flow and balance sheet are currently healthy, and its profitability 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.
MDB PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Forward | 46x | $340 | — |
| Cheap | 477x | $339 | -0.2% |
| Current | 479x | $340 | — |
| Fair | 510x | $362 | +6.5% |
| Expensive | 541x | $384 | +13% |
Historical ranges are pointers, not guarantees.
MDB's PE is 479x, but its earnings don't support one, so it isn't a reliable read right now.
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.
MDB Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Strong growth | |
| Improving | |
| Broad | |
| High |
Analysts expect strong earnings and revenue growth for MDB, 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.
MDB Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $7.42 | +945% |
| Q3 2026 | $0.71 | +$1.64 |
| Q2 2026 | -$0.37 | +$0.72 |
| Q1 2026 | -$0.88 | +$0.85 |
| Q4 2025 | -$0.82 | +$1.92 |
| Q3 2025 | -$0.93 | +$2.09 |
| Q2 2025 | -$1.09 | +$1.72 |
| Q1 2025 | -$1.73 | +$0.75 |
| Q4 2024 | -$2.74 | -$0.11 |
MDB 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 MDB 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.
MDB Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $771.8M | +30% |
| Q2 2026 | $687.6M | +25% |
| Q1 2026 | $695.1M | +27% |
| Q4 2025 | $628.3M | +19% |
| Q3 2025 | $591.4M | +24% |
| Q2 2025 | $549M | +22% |
| Q1 2025 | $548.4M | +20% |
| Q4 2024 | $529.4M | +22% |
MDB's revenue has grown year over year every quarter since late 2020: $772M last quarter, up 30% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 3.7% | +15 points |
| Q2 2026 | -3.6% | +6.1 points |
| Q1 2026 | 0% | +3.4 points |
| Q4 2025 | -2.9% | +2.3 points |
| Q3 2025 | -11% | +3.9 points |
| Q2 2025 | -9.8% | +12 points |
| Q1 2025 | -3.4% | +12 points |
| Q4 2024 | -5.3% | +5.2 points |
MDB 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.
MDB Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $139.4M | +95% |
| Q2 2026 | $199.3M | +84% |
| Q1 2026 | $178.5M | +627% |
| Q4 2025 | $141.8M | +300% |
| Q3 2025 | $71.6M | +$74M |
| Q2 2025 | $108.3M | +72% |
| Q1 2025 | $24.6M | -53% |
| Q4 2024 | $35.5M | -2.4% |
MDB 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.
MDB Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +0.5% | +414K shares |
| 1 year | +1.1% | +917K shares |
| 3 years | +16% | +11.1M shares |
| 5 years | +29% | +18.6M shares |
| Available history | +45% | +25.6M shares |
MDB has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q3 2026 | $100M |
| Q2 2026 | $100.3M |
| Q1 2026 | $57.3M |
| Q4 2025 | $148.6M |
| Q1 2022 | — |
| Q4 2021 | — |
| Q3 2021 | — |
| Q2 2021 | — |
MDB spent $406M 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.
MDB Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | -119.6x | Net Cash |
MDB 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).
MDB Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 48.2 | Neutral |
| Stochastic | 22.0 | Neutral |
MDB's weekly RSI is 48 (neutral) and its Stochastic is 22 (neutral).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
MDB PE vs Technology Sector
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.
MDB Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $358.6 | 5.2% below |
| 20 week MA | $368.2 | 7.7% below |
| 50 week MA | $346.5 | 1.9% below |
| 100 week MA | $297.1 | 14% above |
| 200 week MA | $308.9 | 10% above |
MDB 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 MDB on returns for 2026, with the stronger performance.
MDB Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $134.1 | $378.5 | +182% |
| 2021 | $378.5 | $551.1 | +46% |
| 2022 | $551.1 | $197.5 | -64% |
| 2023 | $197.5 | $408.9 | +107% |
| 2024 | $408.9 | $238.4 | -42% |
| 2025 | $238.4 | $435.9 | +83% |
| 2026 YTD | $435.9 | $339.8 | -22% |
MDB's yearly returns have swung widely, from +182% in 2020 to −64% in 2022. It's down 22% so far in 2026.