COHR
Coherent, Inc.
COHR's outlook is improving, though it still trails on the overall score.
WDC
Western Digital Corporation
WDC 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.
WDC Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Strong | |
| Strong | |
| Strong |
WDC'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.
WDC PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Cheap | 9.9x | $255 | -18% |
| Forward | 11x | $311 | — |
| Current | 12x | $311 | — |
| Fair | 19x | $487 | +56% |
| Expensive | 63x | $1,618 | +420% |
Historical ranges are pointers, not guarantees.
WDC 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.
WDC Forward outlook
| Metric | Outlook |
|---|---|
| Improving | |
| Strong growth | |
| Strong growth | |
| Strongly improving | |
| Moderate | |
| Moderate |
Analysts expect strong earnings and revenue growth for WDC, 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.
WDC Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $28.81 | +12% |
| Q3 2026 | $25.84 | +276% |
| Q2 2026 | $24.28 | +371% |
| Q1 2026 | $16.75 | +268% |
| Q4 2025 | $9.97 | +187% |
| Q3 2025 | $6.87 | +655% |
| Q2 2025 | $5.15 | +$7.76 |
| Q1 2025 | $4.55 | +$9.61 |
| Q4 2024 | $3.47 | +$10.69 |
WDC's earnings per share have climbed steadily: $25.84 over the past year, about four times what it earned the year before, and higher year over year for 10 quarters in a row. Its recent earnings include one-off gains.
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 has the edge over WDC on sales, with more consistent year-over-year improvement.
| 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.
WDC Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $4.4B | +55% |
| Q2 2026 | $3.7B | +44% |
| Q1 2026 | $3.3B | +45% |
| Q4 2025 | $3B | -30% |
| Q3 2025 | $2.8B | -31% |
| Q2 2025 | $2.6B | -31% |
| Q1 2025 | $2.3B | -34% |
| Q4 2024 | $4.3B | +41% |
WDC's revenue is growing: $4.4B last quarter, up 55% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 47% | +19 points |
| Q2 2026 | 42% | +16 points |
| Q1 2026 | 36% | +2.5 points |
| Q4 2025 | 30% | +10 points |
| Q3 2025 | 28% | +10 points |
| Q2 2025 | 26% | +20 points |
| Q1 2025 | 33% | +25 points |
| Q4 2024 | 20% | +27 points |
WDC 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.
WDC Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $1.4B | +130% |
| Q2 2026 | $1.3B | +90% |
| Q1 2026 | $978M | +158% |
| Q4 2025 | $653M | +128% |
| Q3 2025 | $599M | +$661M |
| Q2 2025 | $675M | +170% |
| Q1 2025 | $379M | +$418M |
| Q4 2024 | $287M | +$529M |
WDC 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 |
WDC Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +0.3% | +1M shares |
| 1 year | +2.1% | +8M shares |
| 3 years | +19% | +61M shares |
| 5 years | +22% | +68M shares |
| Available history | +29% | +86M shares |
WDC has the edge over COHR on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q3 2026 | $1B |
| Q2 2026 | $672M |
| Q1 2026 | $752M |
| Q4 2025 | $615M |
| Q3 2025 | $553M |
| Q2 2020 | — |
| Q1 2020 | — |
| Q4 2019 | — |
WDC spent $3B buying back its own shares over the past year.
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.
WDC Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | -0.1x | Net Cash |
| Q2 2026 | -0.1x | Net Cash |
| Q1 2026 | -0.1x | Net Cash |
| Q4 2025 | 0.8x | Very low |
| Q3 2025 | 0.8x | Very low |
| Q2 2025 | 0.8x | Very low |
| Q1 2025 | 1.3x | Healthy |
| Q4 2024 | 1.9x | Healthy |
WDC 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).
WDC Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 41.5 | Neutral |
| Stochastic | 11.2 | Oversold |
WDC's weekly RSI is 41 (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.
WDC PE vs Technology Sector
| Metric | WDC | Sector median | Relative |
|---|---|---|---|
| PE | 12x | 28x | 57% below |
| PE % | 28 | 35 | 7 pts below |
WDC 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 pulled back, but its long-term trend is still up: it's below its 8-, 20- and 50-week averages, but 92% above its 200-week average.
WDC Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $360.8 | 14% below |
| 20 week MA | $438.4 | 29% below |
| 50 week MA | $380.4 | 18% below |
| 100 week MA | $226.8 | 37% above |
| 200 week MA | $133.7 | 133% above |
WDC has pulled back, but its long-term trend is still up: it's below its 8-, 20- and 50-week averages, but 133% above its 200-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.
WDC Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $47.0 | $37.7 | -20% |
| 2021 | $37.7 | $46.2 | +23% |
| 2022 | $46.2 | $23.1 | -50% |
| 2023 | $23.1 | $39.6 | +71% |
| 2024 | $39.6 | $45.9 | +16% |
| 2025 | $45.9 | $181.5 | +296% |
| 2026 YTD | $181.5 | $311.2 | +71% |
WDC has the edge over COHR on returns for 2026, with the stronger performance.