ADTN
ADTRAN Holdings, Inc.
ADTN has lower modeled downside risk, despite its lower overall score.
SNDK
Sandisk Corporation
SNDK has the edge over ADTN overall, supported by stronger fundamentals and stronger modeled upside.
ADTN Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Stable | |
| Under pressure | |
| Weak |
ADTN's revenue and profitability are currently stable, but its cash flow and balance sheet are under pressure.
SNDK Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Strong | |
| Strong | |
| Strong |
SNDK's revenue, profitability, cash flow and balance sheet are all currently strong.
ADTN PE Valuation
ADTN has no meaningful PE right now: it lost money over the past year.
SNDK PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Forward | 3.8x | $937 | — |
| Current | 7.5x | $937 | — |
| Cheap | 17x | $2,173 | +132% |
| Fair | 24x | $3,048 | +225% |
| Expensive | 59x | $7,452 | +695% |
Historical ranges are pointers, not guarantees.
SNDK's PE is 7.5x, but its earnings don't support one, so it isn't a reliable read right now.
ADTN Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Stable | |
| Stable | |
| Weakening | |
| Limited | |
| Low |
Analysts expect ADTN's profitability to weaken, with its earnings and revenue holding steady. However, they disagree widely on these estimates.
SNDK Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Strong growth | |
| Strongly improving | |
| Moderate | |
| High |
SNDK has the edge over ADTN on the outlook, with more favorable earnings and revenue expectations.
ADTN Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $0.31 | — |
| Q3 2026 | -$0.26 | +$0.82 |
| Q2 2026 | -$0.28 | +$1.04 |
| Q1 2026 | -$0.39 | +$1.32 |
| Q4 2025 | -$0.52 | +$5.17 |
| Q3 2025 | -$1.08 | +$5.43 |
| Q2 2025 | -$1.32 | +$5.83 |
| Q1 2025 | -$1.71 | +$5.31 |
| Q4 2024 | -$5.69 | -$2.28 |
ADTN is still losing money, but far less than before: $0.26 per share over the past year, against $7.15 at its worst in mid-2024.
SNDK Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $247.30 | +97% |
| Q3 2026 | $125.61 | +$137.63 |
| Q2 2026 | $73.76 | +$85.07 |
| Q2 2025 | -$11.31 | -$6.65 |
SNDK has the edge over ADTN in the latest year-over-year earnings comparison.
ADTN Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $281.2M | +0.6% |
| Q2 2026 | $281.1M | +6.1% |
| Q1 2026 | $286.1M | +15% |
| Q4 2025 | $291.6M | +20% |
| Q3 2025 | $279.4M | +23% |
| Q2 2025 | $265.1M | +17% |
| Q1 2025 | $247.7M | +9.5% |
| Q4 2024 | $242.9M | +7.7% |
ADTN's revenue has grown year over year for eight quarters in a row: $281M last quarter, about level with the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | -0.3% | +0.7 points |
| Q2 2026 | -3.6% | +1.4 points |
| Q1 2026 | 2.2% | +3.8 points |
| Q4 2025 | 1.5% | +8.4 points |
| Q3 2025 | -1% | +9.5 points |
| Q2 2025 | -5% | +12 points |
| Q1 2025 | -1.6% | +149 points |
| Q4 2024 | -6.9% | +9.8 points |
ADTN's operating margin was −0.3% last quarter, up 0.7 points from the same quarter a year ago.
SNDK Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $11B | +378% |
| Q2 2026 | $9B | +372% |
| Q1 2026 | $6B | +251% |
| Q4 2025 | $3B | +61% |
| Q3 2025 | $2.3B | +23% |
| Q2 2025 | $1.9B | +8% |
| Q1 2025 | $1.7B | -0.6% |
| Q4 2024 | $1.9B | +13% |
SNDK's revenue has grown year over year for six quarters in a row: $11B last quarter, up 378% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 80% | +72 points |
| Q2 2026 | 78% | +78 points |
| Q1 2026 | 69% | +180 points |
| Q4 2025 | 35% | +25 points |
| Q3 2025 | 7.6% | -9 points |
| Q2 2025 | 0.9% | N/A |
| Q1 2025 | -111% | -122 points |
| Q4 2024 | 10% | +6.6 points |
SNDK has the edge over ADTN on profitability, with a higher operating margin.
ADTN Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | -$30.2M | -819% |
| Q2 2026 | $17M | -38% |
| Q1 2026 | $5.2M | -86% |
| Q4 2025 | $30.6M | +$31.5M |
| Q3 2025 | $4.2M | -82% |
| Q2 2025 | $27.5M | +604% |
| Q1 2025 | $35.8M | +54% |
| Q4 2024 | -$895K | +$24.8M |
ADTN usually generates cash, though not every quarter: the latest was −$30M, but it generated $22M over the past year.
SNDK Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $6.3B | +1340% |
| Q2 2026 | $7.1B | +14355% |
| Q1 2026 | $3B | +$3B |
| Q3 2025 | $438M | +$636M |
| Q2 2025 | $49M | +$217M |
| Q1 2025 | -$18M | +$23M |
| Q3 2024 | -$198M | -$157M |
SNDK has the edge over ADTN on cash flow, with more consistent year-over-year improvement.
ADTN Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +0.3% | +274K shares |
| 1 year | +1.8% | +1.4M shares |
| 3 years | +3.6% | +2.8M shares |
| 5 years | +64% | +31.8M shares |
| Available history | +70% | +33.4M shares |
ADTN has the edge over SNDK on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q4 2019 | — |
SNDK Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | -0.6% | -1M shares |
| 1 year | +3.4% | +5M shares |
| 3 years | +6.9% | +10M shares |
SNDK has 154M diluted shares, up 3.4% from a year ago.
| Quarter | Spent |
|---|---|
| Q3 2026 | $5B |
| Q3 2024 | — |
| Q2 2024 | — |
| Q1 2024 | — |
| Q4 2023 | — |
| Q3 2023 | — |
ADTN Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | 4.5x | High |
| Q2 2026 | 2.6x | Moderate |
| Q1 2026 | 2.6x | Moderate |
| Q4 2025 | 3.2x | Elevated |
| Q3 2025 | 6.5x | High |
| Q2 2025 | 16.1x | High |
| Q1 2025 | 39.3x | High |
| Q2 2022 | -7.4x | Net Cash |
ADTN's net debt is about 4.5 years of its operating earnings (EBITDA), down from 6.5 years a year ago.
SNDK Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | -0.2x | Net Cash |
| Q2 2026 | -0.4x | Net Cash |
| Q1 2026 | -0.7x | Net Cash |
SNDK has the edge over ADTN on leverage, with a lower net debt burden relative to earnings.
ADTN Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 31.6 | Neutral |
| Stochastic | 9.6 | Oversold |
ADTN's weekly RSI is 32 (neutral) and its Stochastic is 10 (oversold).
SNDK Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 40.2 | Neutral |
| Stochastic | 10.6 | Oversold |
SNDK's weekly RSI is 40 (neutral) and its Stochastic is 11 (oversold).
ADTN PE vs Technology Sector
| Metric | ADTN | Sector median | Relative |
|---|---|---|---|
| PE | N/A | 28x | — |
ADTN has no meaningful PE right now: it lost money over the past year.
SNDK PE vs Technology Sector
| Metric | SNDK | Sector median | Relative |
|---|---|---|---|
| PE | 7.5x | 28x | 73% below |
| PE % | 4 | 27 | 23 pts below |
SNDK is trading at 7.5x earnings, a 73% discount to the Technology sector's median of 28x, though its earnings don't support one.
ADTN Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $6.22 | 22% below |
| 20 week MA | $7.96 | 39% below |
| 50 week MA | $10.5 | 54% below |
| 100 week MA | $9.73 | 50% below |
| 200 week MA | $8.95 | 46% below |
SNDK has stronger trend alignment. ADTN is above 0 of 5 weekly averages versus SNDK above 0 of 3.
SNDK Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $1,317.5 | 29% below |
| 20 week MA | $1,465.4 | 36% below |
| 50 week MA | $1,119.6 | 16% below |
SNDK is in a downtrend: it's below all three of its weekly moving averages, and 16% below its 50-week average.
ADTN Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $9.74 | $15.0 | +54% |
| 2021 | $15.0 | $22.0 | +47% |
| 2022 | $22.0 | $18.8 | -15% |
| 2023 | $18.8 | $7.34 | -61% |
| 2024 | $7.34 | $8.21 | +12% |
| 2025 | $8.21 | $8.75 | +6.6% |
| 2026 YTD | $8.75 | $4.86 | -44% |
ADTN is down 44% so far in 2026, after finishing higher in four of the previous six years.
SNDK Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2025 | $50.4 | $250.1 | +396% |
| 2026 YTD | $250.1 | $937.5 | +275% |
SNDK has the edge over ADTN on returns for 2026, with the stronger performance.