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.
DDD
3D Systems Corporation
There isn't enough reported data to score DDD 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.
DDD Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Under pressure | |
| Under pressure | |
| Strong |
DDD's balance sheet is currently strong, and its revenue is stable, but its profitability and cash flow are under pressure.
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.
DDD PE Valuation
DDD 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.
DDD Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Losses shrinking | |
| Growth | |
| Strongly improving | |
| Limited | |
| High |
Analysts expect DDD's losses to shrink, 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 |
DDD has the stronger earnings trend. Trailing diluted EPS is down 112% for AAOI versus DDD down 103%.
DDD Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q3 2025 | -$0.11 | +$3.82 |
| Q2 2025 | -$1.32 | +$1.35 |
| Q1 2025 | -$2.10 | +$0.58 |
| Q4 2024 | -$1.94 | +$0.85 |
| Q3 2024 | -$3.93 | -$3.20 |
| Q2 2024 | -$2.67 | -$1.73 |
| Q1 2024 | -$2.68 | -$1.70 |
| Q4 2023 | -$2.79 | -$1.83 |
DDD is still losing money, but far less than before: $0.11 per share over the past year, against $3.93 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 DDD 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 has the edge over DDD on profitability, with a higher operating margin.
DDD Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $99.3M | +8.8% |
| Q2 2026 | $94.6M | -0.3% |
| Q1 2026 | $95.5M | +1.1% |
| Q4 2025 | $106.3M | -4.3% |
| Q3 2025 | $91.2M | -19% |
| Q2 2025 | $94.8M | -16% |
| Q1 2025 | $94.5M | -8.1% |
| Q4 2024 | $111M | -3.3% |
DDD's revenue is recovering but still below its 2020 peak: $99M last quarter, up 8.8% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | -25% | -1.3 points |
| Q2 2026 | -11% | +4.9 points |
| Q1 2026 | -7% | +32 points |
| Q4 2025 | -21% | +6 points |
| Q3 2025 | -23% | +137 points |
| Q2 2025 | -16% | +7.1 points |
| Q1 2025 | -39% | -0.1 points |
| Q4 2024 | -27% | +258 points |
DDD's operating margin was −25% last quarter, down 1.3 points from the same quarter a year ago.
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.
DDD Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | -$5.8M | +$9.9M |
| Q2 2026 | -$10.7M | +$18.1M |
| Q1 2026 | -$9.3M | +$27.3M |
| Q4 2025 | -$16.6M | -$3.5M |
| Q3 2025 | -$15.8M | -$11.3M |
| Q2 2025 | -$28.8M | -$14.1M |
| Q1 2025 | -$36.6M | -$7.8M |
| Q4 2024 | -$13.1M | +$1.9M |
DDD has the edge over AAOI on cash flow, with more consistent year-over-year improvement.
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.
DDD Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +9.4% | +13.9M shares |
| 1 year | -11% | -19.8M shares |
| 3 years | +25% | +33M shares |
| 5 years | +33% | +40.8M shares |
| Available history | +43% | +49.1M shares |
DDD has the edge over AAOI on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q3 2026 | — |
| Q4 2025 | — |
| Q3 2025 | — |
AAOI Net Leverage
AAOI's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
DDD Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q4 2021 | -220.6x | Net Cash |
| Q3 2021 | -66.5x | Net Cash |
DDD 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).
DDD Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 35.7 | Neutral |
| Stochastic | 10.0 | Oversold |
DDD's weekly RSI is 36 (neutral) and its Stochastic is 10 (oversold).
AAOI PE vs Technology Sector
AAOI has no meaningful PE right now: it lost money over the past year.
DDD PE vs Technology Sector
| Metric | DDD | Sector median | Relative |
|---|---|---|---|
| PE | N/A | 28x | — |
DDD 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 the edge over DDD on trend strength, trading above more of its moving averages.
DDD Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $2.84 | 42% below |
| 20 week MA | $3.04 | 46% below |
| 50 week MA | $2.64 | 38% below |
| 100 week MA | $2.57 | 36% below |
| 200 week MA | $4.15 | 60% below |
DDD is in a downtrend: it's below all five of its weekly moving averages, and 60% below its 200-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 DDD on returns for 2026, with the stronger performance.
DDD Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $8.95 | $11.6 | +29% |
| 2021 | $11.6 | $22.0 | +91% |
| 2022 | $22.0 | $7.41 | -66% |
| 2023 | $7.41 | $6.35 | -14% |
| 2024 | $6.35 | $3.42 | -46% |
| 2025 | $3.42 | $1.82 | -47% |
| 2026 YTD | $1.82 | $1.65 | -9.3% |
DDD has finished four years in a row lower, and it's down 9.3% so far in 2026.