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.
DDI
DoubleDown Interactive Co., Ltd.
There isn't enough reported data to score DDI 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.
DDI Fundamentals
| Metric | Status |
|---|---|
| Unavailable | |
| Strong | |
| Unavailable | |
| Strong |
DDI's profitability and balance sheet are currently strong. There isn't enough data to rate its revenue and cash flow.
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.
DDI PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Cheap | 4.1x | $182 | +1061% |
| Fair | 5.2x | $234 | +1391% |
| Expensive | 6.3x | $281 | +1688% |
| Current | 7x | $15.70 | — |
Historical ranges are pointers, not guarantees.
DDI's PE is 7.0x, 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 |
AAOI has the edge over DDI on the outlook, with more favorable earnings and revenue expectations.
DDI Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Stable | |
| Stable | |
| Improving | |
| Limited | |
| High |
Analysts expect DDI's profitability to improve, with its earnings and revenue holding steady.
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 |
DDI has the stronger earnings trend. Trailing diluted EPS is down 112% for AAOI versus DDI up 32%.
DDI Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q3 2026 | $44.68 | +38% |
| Q4 2025 | $41.37 | +13% |
| Q3 2025 | $32.38 | -30% |
| Q2 2025 | $29.28 | -38% |
| Q1 2025 | $33.85 | -22% |
| Q4 2024 | $36.46 | -10% |
| Q2 2024 | $46.96 | +$115.73 |
| Q4 2023 | $40.72 | +$135.15 |
DDI earned $44.68 per share over the past year, up 32% from 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% |
DDI has the stronger quarterly revenue trend. Revenue is up 127% for AAOI versus up 239% for DDI.
| 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.
DDI Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $282.7M | +195% |
| Q4 2025 | $95.8M | +17% |
| Q3 2025 | $95.8M | +16% |
| Q2 2025 | $84.8M | -3.9% |
| Q1 2025 | $83.5M | -5.3% |
| Q4 2024 | $82M | -1.4% |
| Q3 2024 | $83M | +14% |
| Q2 2024 | $88.2M | +17% |
DDI's revenue is recovering but still below its 2021 peak: $283M last quarter, up 239% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 39% | +3.2 points |
| Q4 2025 | 31% | -11 points |
| Q3 2025 | 37% | -6 points |
| Q2 2025 | 38% | -2.8 points |
| Q1 2025 | 35% | +0.3 points |
| Q4 2024 | 42% | -0.7 points |
| Q3 2024 | 42% | +1.8 points |
| Q2 2024 | 41% | +4.4 points |
DDI 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 |
DDI has the stronger cash trend. Its trailing FCF is up 47% versus its history, compared with AAOI at down 676%.
DDI Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $94.5M | +184% |
| Q4 2025 | $42.6M | -8.8% |
| Q3 2025 | $33.3M | +5.5% |
| Q2 2025 | $19.7M | -43% |
| Q1 2025 | $41M | +17% |
| Q4 2024 | $46.7M | +57% |
| Q3 2024 | $31.6M | +10% |
| Q2 2024 | $34.4M | +$91.3M |
DDI generated $190M in free cash flow over the past year, up 24% from the year before.
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.
DDI Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | 0% | -- |
| 1 year | 0% | -- |
| 3 years | 0% | -- |
| 5 years | -95% | -47.1M shares |
DDI has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q4 2024 | — |
| Q4 2019 | — |
| Q3 2019 | — |
| Q2 2019 | — |
| Q1 2019 | — |
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
DDI Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | -3.0x | Net Cash |
| Q4 2025 | -2.7x | Net Cash |
| Q3 2025 | -2.1x | Net Cash |
| Q2 2025 | -2.3x | Net Cash |
| Q1 2025 | -2.1x | Net Cash |
| Q4 2024 | -1.9x | Net Cash |
| Q3 2024 | -1.8x | Net Cash |
| Q2 2024 | -1.7x | Net Cash |
DDI 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).
DDI Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 81.5 | Overbought |
| Stochastic | 81.2 | Overbought |
DDI's weekly RSI is 81 (overbought) and its Stochastic is 81 (overbought).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
DDI PE vs Technology Sector
| Metric | DDI | Sector median | Relative |
|---|---|---|---|
| PE | 7x | 28x | 75% below |
| PE % | 90 | 45 | 45 pts above |
DDI is trading at 7.0x earnings, a 75% discount to the Technology sector's median of 28x, though its earnings don't support one.
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.
DDI Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $13.7 | 14% above |
| 20 week MA | $12.8 | 23% above |
| 50 week MA | $10.9 | 44% above |
| 100 week MA | $10.3 | 53% above |
| 200 week MA | $10.4 | 50% above |
DDI 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.
DDI Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2021 | $16.2 | $14.4 | -11% |
| 2022 | $14.4 | $9.09 | -37% |
| 2023 | $9.09 | $7.35 | -19% |
| 2024 | $7.35 | $10.3 | +39% |
| 2025 | $10.3 | $8.59 | -16% |
| 2026 YTD | $8.59 | $15.7 | +83% |
DDI has the edge over AAOI on returns for 2026, with the stronger performance.