AAOI
Applied Optoelectronics, Inc.
AAOI's outlook is improving, though it still trails on the overall score.
SKHY
SK hynix Inc.
SKHY 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.
SKHY Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Strong | |
| Strong | |
| Strong |
SKHY's revenue, profitability, cash flow and balance sheet are all currently strong.
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.
SKHY PE Valuation
SKHY 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.
SKHY Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Strong growth | |
| Strong growth | |
| Strongly improving | |
| Limited | |
| Low |
Analysts expect strong earnings and revenue growth for SKHY, with profitability improving. 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.
SKHY Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q2 2026 | $17.04 | +461% |
| Q1 2026 | $7.91 | +187% |
| Q4 2025 | $4.52 | +113% |
| Q3 2025 | $3.78 | +244% |
| Q2 2025 | $3.04 | +1026% |
| Q1 2025 | $2.76 | +$3.26 |
| Q4 2024 | $2.12 | +$3.11 |
| Q3 2024 | $1.10 | +$2.35 |
SKHY 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 SKHY 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.
SKHY Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q2 2026 | $59.4B | +257% |
| Q1 2026 | $39.4B | +198% |
| Q4 2025 | $24.6B | +66% |
| Q3 2025 | $18.3B | +39% |
| Q2 2025 | $16.7B | +35% |
| Q1 2025 | $13.2B | +42% |
| Q4 2024 | $14.8B | +75% |
| Q3 2024 | $13.2B | +94% |
SKHY's revenue has grown year over year for 11 quarters in a row: $59.4B last quarter, up 257% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q2 2026 | 76% | +35 points |
| Q1 2026 | 72% | +29 points |
| Q4 2025 | 58% | +18 points |
| Q3 2025 | 47% | +6.6 points |
| Q2 2025 | 41% | +8.1 points |
| Q1 2025 | 42% | +19 points |
| Q4 2024 | 41% | +38 points |
| Q3 2024 | 40% | +60 points |
SKHY 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.
SKHY Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q2 2026 | $41.2B | +1111% |
| Q1 2026 | $13.8B | +619% |
| Q4 2025 | $6.5B | +142% |
| Q3 2025 | $6.8B | +127% |
| Q2 2025 | $3.4B | +26% |
| Q1 2025 | $1.9B | +20% |
| Q4 2024 | $2.7B | +67% |
| Q3 2024 | $3B | +$3.4B |
SKHY 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.
SKHY Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +0.2% | +14.8M shares |
| 1 year | +0.2% | +14.8M shares |
| 3 years | +3.7% | +254M shares |
| 5 years | +3.9% | +268M shares |
| Available history | +4.3% | +294M shares |
SKHY has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q2 2026 | — |
| Q1 2026 | — |
| Q4 2025 | — |
| Q3 2025 | — |
| Q2 2025 | — |
| Q1 2025 | — |
| Q4 2024 | — |
| Q3 2024 | — |
SKHY hasn't bought back shares in 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.
SKHY Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q2 2026 | -0.0x | Net Cash |
| Q1 2026 | 0.0x | Very low |
| Q4 2025 | 0.2x | Very low |
| Q3 2025 | 0.3x | Very low |
| Q2 2025 | 0.3x | Very low |
| Q1 2025 | 0.3x | Very low |
| Q4 2024 | 0.4x | Very low |
| Q3 2024 | 0.6x | Very low |
SKHY 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).
SKHY Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 28.7 | Oversold |
| Stochastic | 19.7 | Oversold |
SKHY's weekly RSI is 29 (oversold) and its Stochastic is 20 (oversold).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
SKHY PE vs Technology Sector
SKHY 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 stronger trend alignment. AAOI is above 1 of 5 weekly averages versus SKHY above 0 of 1.
SKHY Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $155.4 | 11% below |
SKHY is in a downtrend: it's below all one of its weekly moving averages, and 11% below its 8-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 SKHY on returns for 2026, with the stronger performance.
SKHY Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2026 YTD | $168.0 | $137.7 | -18% |
It's down 18% so far in 2026.