AAOI
Applied Optoelectronics, Inc.
AAOI offers stronger fundamentals, but that advantage does not outweigh its weaker overall profile.
UNH
UnitedHealth Group Incorporated
UNH has a slight 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.
UNH Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Stable | |
| Healthy | |
| Healthy |
UNH's cash flow and balance sheet are currently healthy, and its revenue and profitability 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.
UNH PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Forward | 18x | $405 | — |
| Cheap | 19x | $325 | -20% |
| Fair | 23x | $410 | +1.2% |
| Current | 23x | $405 | — |
| Expensive | 30x | $526 | +30% |
Historical ranges are pointers, not guarantees.
UNH's PE is in its fair range at 23x. If earnings grow as analysts expect, today's price would be 18x next year's earnings, in its cheap range.
AAOI Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Returning to profit | |
| Strong growth | |
| Strongly improving | |
| Limited | |
| Low |
AAOI has the edge over UNH on the outlook, with more favorable revenue expectations.
UNH Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Stable | |
| Improving | |
| Moderate | |
| Low |
Analysts expect UNH's earnings to grow and its profitability to improve, with its 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 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.
UNH Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $22.65 | +29% |
| Q3 2026 | $17.55 | -8.5% |
| Q2 2026 | $15.58 | -33% |
| Q1 2026 | $13.28 | -44% |
| Q4 2025 | $13.23 | -15% |
| Q3 2025 | $19.17 | +25% |
| Q2 2025 | $23.09 | +53% |
| Q1 2025 | $23.89 | +46% |
| Q4 2024 | $15.51 | -35% |
UNH 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 UNH 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.
UNH Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $112.7B | -0.4% |
| Q2 2026 | $112B | +0.4% |
| Q1 2026 | $111.7B | +2% |
| Q4 2025 | $113.2B | +12% |
| Q3 2025 | $113.2B | +12% |
| Q2 2025 | $111.6B | +13% |
| Q1 2025 | $109.6B | +9.8% |
| Q4 2024 | $100.8B | +6.8% |
UNH's revenue has held roughly level: $113B last quarter, about level with the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 5.8% | +2 points |
| Q2 2026 | 7.1% | +2.5 points |
| Q1 2026 | 8.1% | -0.3 points |
| Q4 2025 | 0.3% | -7.4 points |
| Q3 2025 | 3.8% | -4.8 points |
| Q2 2025 | 4.6% | -3.4 points |
| Q1 2025 | 8.3% | +0.4 points |
| Q4 2024 | 7.7% | -0.4 points |
UNH 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.
UNH Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $4.3B | -16% |
| Q2 2026 | $10.3B | +63% |
| Q1 2026 | $8.1B | +79% |
| Q4 2025 | $160M | -89% |
| Q3 2025 | $5.1B | -61% |
| Q2 2025 | $6.3B | +6.9% |
| Q1 2025 | $4.6B | +1037% |
| Q4 2024 | $1.5B | +$7.6B |
UNH 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.
UNH Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | -0.4% | -4M shares |
| 1 year | -0.7% | -6M shares |
| 3 years | -3.6% | -34M shares |
| 5 years | -5.5% | -53M shares |
| Available history | -6.6% | -64M shares |
UNH has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q3 2026 | $3.4B |
| Q2 2026 | $1.6B |
| Q1 2026 | — |
| Q4 2025 | — |
| Q3 2025 | — |
| Q2 2025 | $2.5B |
| Q1 2025 | $3B |
| Q4 2024 | $5B |
UNH spent $5B buying back its own shares over the past year, down 52% 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.
UNH Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | 1.7x | Healthy |
| Q2 2026 | 1.7x | Healthy |
| Q1 2026 | 2.2x | Moderate |
| Q4 2025 | 2.3x | Moderate |
| Q3 2025 | 1.7x | Healthy |
| Q2 2025 | 1.5x | Healthy |
| Q1 2025 | 1.3x | Healthy |
| Q4 2024 | 1.4x | Healthy |
UNH's net debt is about 1.7 years of its operating earnings (EBITDA), about the same as 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).
UNH Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 56.4 | Neutral |
| Stochastic | 60.0 | Neutral |
UNH's weekly RSI is 56 (neutral) and its Stochastic is 60 (neutral).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
UNH PE vs Healthcare Sector
| Metric | UNH | Sector median | Relative |
|---|---|---|---|
| PE | 23x | 26x | 11% below |
| PE % | 47 | 29 | 18 pts above |
UNH is trading at 23x earnings, a 11% discount to the Healthcare sector's median of 26x.
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.
UNH Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $394.2 | 2.8% above |
| 20 week MA | $400.5 | 1.2% above |
| 50 week MA | $361.2 | 12% above |
| 100 week MA | $376.0 | 7.8% above |
| 200 week MA | $446.6 | 9.3% below |
UNH 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 UNH on returns for 2026, with the stronger performance.
UNH Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $296.0 | $340.8 | +15% |
| 2021 | $340.8 | $495.4 | +45% |
| 2022 | $495.4 | $531.3 | +7.3% |
| 2023 | $531.3 | $526.5 | -0.9% |
| 2024 | $526.5 | $510.0 | -3.1% |
| 2025 | $510.0 | $331.8 | -35% |
| 2026 YTD | $331.8 | $405.1 | +22% |
UNH has finished three years in a row lower, and it's up 22% so far in 2026.