COHR
Coherent, Inc.
COHR has lower modeled downside risk, despite its lower overall score.
SNDK
Sandisk Corporation
SNDK has the edge over COHR overall, supported by stronger fundamentals and stronger valuation.
COHR Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Strong | |
| Weak | |
| Healthy |
COHR's revenue, profitability and balance sheet are currently healthy, but its cash flow is weak.
SNDK Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Strong | |
| Strong | |
| Strong |
SNDK's revenue, profitability, cash flow and balance sheet are all currently strong.
COHR PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Forward | 20x | $232 | — |
| Cheap | 27x | $130 | -44% |
| Fair | 34x | $165 | -29% |
| Current | 48x | $232 | — |
| Expensive | 184x | $886 | +282% |
Historical ranges are pointers, not guarantees.
COHR's PE is in its fair range at 48x. If earnings grow as analysts expect, today's price would be 20x next year's earnings, in its cheap range.
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 has the edge over COHR in the historical PE scenario, which offers more potential upside but is not a forecast.
COHR Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Strong growth | |
| Strongly improving | |
| Moderate | |
| Moderate |
Analysts expect strong earnings and revenue growth for COHR, with profitability improving.
SNDK Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Strong growth | |
| Strongly improving | |
| Moderate | |
| High |
Analysts expect strong earnings and revenue growth for SNDK, with profitability improving.
COHR Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $11.69 | +142% |
| Q3 2026 | $4.83 | +580% |
| Q2 2026 | $4.12 | +$4.64 |
| Q1 2026 | $2.11 | +$2.34 |
| Q4 2025 | $1.03 | +$1.44 |
| Q3 2025 | $0.71 | +$1.94 |
| Q2 2025 | -$0.52 | +$1.32 |
| Q1 2025 | -$0.23 | +$2.64 |
| Q4 2024 | -$0.41 | +$2.41 |
COHR's earnings per share have climbed steadily: $4.83 over the past year, about seven times what it earned the year before, and higher year over year for 10 quarters in a row.
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 COHR in the latest year-over-year earnings comparison.
COHR Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $2.4B | +50% |
| Q2 2026 | $2B | +34% |
| Q1 2026 | $1.8B | +21% |
| Q4 2025 | $1.7B | +17% |
| Q3 2025 | $1.6B | +17% |
| Q2 2025 | $1.5B | +16% |
| Q1 2025 | $1.5B | +24% |
| Q4 2024 | $1.4B | +27% |
COHR's revenue has grown year over year for 10 quarters in a row: $2.4B last quarter, up 50% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 15% | +1.4 points |
| Q2 2026 | 14% | +18 points |
| Q1 2026 | 10% | +9.6 points |
| Q4 2025 | 10% | +1 points |
| Q3 2025 | 14% | +12 points |
| Q2 2025 | -4.2% | -9 points |
| Q1 2025 | 0.7% | -1.2 points |
| Q4 2024 | 8.9% | +6.1 points |
COHR's operating margin was 15% last quarter, up 1.4 points from the same quarter a year ago, near the top of its range since 2019.
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 COHR on profitability, with a higher operating margin.
COHR Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | -$868.2M | -$810.2M |
| Q2 2026 | -$486.2M | -$485.2M |
| Q1 2026 | -$383.5M | -850% |
| Q4 2025 | -$95.7M | -217% |
| Q3 2025 | -$58M | -195% |
| Q2 2025 | -$1.1M | -102% |
| Q1 2025 | $51.1M | +111% |
| Q4 2024 | $81.7M | +$106M |
COHR's free cash flow has turned negative after years in the green: −$1.8B 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 COHR on cash generation, producing positive trailing cash flow while its opponent burns cash.
COHR Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +3.4% | +6.6M shares |
| 1 year | +5.9% | +11.3M shares |
| 3 years | +34% | +51.7M shares |
| 5 years | +74% | +86.2M shares |
| Available history | +122% | +111M shares |
COHR has 202M diluted shares, up 5.9% from a year ago.
| Quarter | Spent |
|---|---|
| Q2 2021 | — |
| Q1 2021 | — |
| Q2 2020 | — |
| Q1 2020 | $1,000 |
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 the edge over COHR on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q3 2026 | $5B |
| Q3 2024 | — |
| Q2 2024 | — |
| Q1 2024 | — |
| Q4 2023 | — |
| Q3 2023 | — |
COHR Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | 1.7x | Healthy |
| Q2 2026 | 1.5x | Healthy |
| Q1 2026 | 1.7x | Healthy |
| Q4 2025 | 3.5x | Elevated |
| Q3 2025 | 4.1x | High |
| Q2 2025 | 8.1x | High |
| Q1 2025 | 5.1x | High |
| Q4 2024 | 4.6x | High |
COHR's net debt is about 1.7 years of its operating earnings (EBITDA), down from 4.1 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 COHR on leverage, with a lower net debt burden relative to earnings.
COHR Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 43.6 | Neutral |
| Stochastic | 16.5 | Oversold |
COHR's weekly RSI is 44 (neutral) and its Stochastic is 16 (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).
COHR PE vs Technology Sector
| Metric | COHR | Sector median | Relative |
|---|---|---|---|
| PE | 48x | 28x | 72% above |
| PE % | 58 | 35 | 23 pts above |
COHR is trading at 48x earnings, a 72% premium to the Technology sector's median of 28x.
SNDK PE vs Technology Sector
| Metric | SNDK | Sector median | Relative |
|---|---|---|---|
| PE | 7.5x | 28x | 73% below |
| PE % | 4 | 27 | 23 pts below |
SNDK has the edge over COHR on valuation relative to its sector.
COHR Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $252.9 | 8.2% below |
| 20 week MA | $284.1 | 18% below |
| 50 week MA | $277.7 | 16% below |
| 100 week MA | $185.9 | 25% above |
| 200 week MA | $120.6 | 92% above |
COHR has stronger trend alignment. COHR is above 2 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.
COHR Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $33.5 | $77.8 | +132% |
| 2021 | $77.8 | $68.0 | -13% |
| 2022 | $68.0 | $33.1 | -51% |
| 2023 | $33.1 | $43.5 | +32% |
| 2024 | $43.5 | $97.0 | +123% |
| 2025 | $97.0 | $191.7 | +98% |
| 2026 YTD | $191.7 | $232.1 | +21% |
COHR's yearly returns have swung widely, from +132% in 2020 to −51% in 2022. It's up 21% so far in 2026.
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 COHR on returns for 2026, with the stronger performance.