ARM
Arm Holdings plc American Depositary Shares
ARM offers stronger valuation, but that advantage does not outweigh its weaker overall profile.
COHR
Coherent, Inc.
COHR has a slight edge over ARM overall, supported by stronger modeled upside and lower modeled downside.
ARM Fundamentals
| Metric | Status |
|---|---|
| Healthy | |
| Healthy | |
| Strong | |
| Strong |
ARM's revenue, profitability, cash flow and balance sheet are all currently healthy.
COHR Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Strong | |
| Weak | |
| Healthy |
COHR's revenue, profitability and balance sheet are currently healthy, but its cash flow is weak.
ARM PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Cheap | 167x | $147 | -27% |
| Fair | 224x | $197 | -1.4% |
| Current | 227x | $200 | — |
| Expensive | 361x | $317 | +59% |
Historical ranges are pointers, not guarantees.
ARM has the edge over COHR in the historical PE scenario, which offers more potential upside but is not a forecast.
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.
ARM Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Strong growth | |
| Strong growth | |
| Improving | |
| Moderate | |
| Moderate |
Analysts expect strong earnings and revenue growth for ARM, with profitability improving.
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.
ARM Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q3 2026 | $0.88 | +13% |
| Q2 2026 | $0.98 | +48% |
| Q1 2026 | $0.85 | +13% |
| Q4 2025 | $0.75 | -1.3% |
| Q3 2025 | $0.78 | +30% |
| Q1 2025 | $0.75 | +159% |
| Q4 2024 | $0.76 | +850% |
| Q3 2024 | $0.60 | +233% |
ARM earned $0.88 per share over the past year, up 13% from the year before.
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 has the edge over ARM on earnings, with more consistent year-over-year improvement.
ARM Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $1.4B | +27% |
| Q2 2026 | $1.3B | +22% |
| Q1 2026 | $1.5B | +20% |
| Q4 2025 | $1.2B | +26% |
| Q3 2025 | $1.1B | +34% |
| Q2 2025 | $1.1B | +12% |
| Q1 2025 | $1.2B | +34% |
| Q4 2024 | $983M | +19% |
ARM has the edge over COHR on sales, with stronger typical year-over-year growth.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 14% | -0.4 points |
| Q2 2026 | 7.1% | -3.8 points |
| Q1 2026 | 29% | -3.6 points |
| Q4 2025 | 15% | -2.9 points |
| Q3 2025 | 14% | +6.8 points |
| Q2 2025 | 11% | -8.5 points |
| Q1 2025 | 33% | +31 points |
| Q4 2024 | 18% | +1.5 points |
ARM's operating margin was 14% last quarter, about level with the same quarter a year ago.
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 has the edge over ARM on profitability, with a higher operating margin.
ARM Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $135M | -69% |
| Q2 2026 | $705M | +296% |
| Q1 2026 | $186M | +1.1% |
| Q4 2025 | $186M | -48% |
| Q3 2025 | $429M | +$476M |
| Q2 2025 | $178M | +$497M |
| Q1 2025 | $184M | -72% |
| Q4 2024 | $360M | +25% |
ARM has the edge over COHR on cash generation, producing positive trailing cash flow while its opponent burns cash.
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.
ARM Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +0.1% | +1M shares |
| 1 year | +0.9% | +10M shares |
| 3 years | +5.2% | +53.7M shares |
ARM has the edge over COHR on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q1 2023 | — |
| Q4 2022 | — |
| Q3 2022 | — |
| Q2 2022 | — |
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 |
ARM Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q1 2023 | -1.6x | Net Cash |
ARM has more cash than debt.
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.
ARM Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 43.0 | Neutral |
| Stochastic | 11.0 | Oversold |
ARM's weekly RSI is 43 (neutral) and its Stochastic is 11 (oversold).
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).
ARM PE vs Technology Sector
| Metric | ARM | Sector median | Relative |
|---|---|---|---|
| PE | 227x | 28x | 715% above |
| PE % | 51 | 23 | 28 pts above |
ARM is trading at 227x earnings, a 715% premium to the Technology sector's median of 28x.
COHR PE vs Technology Sector
| Metric | COHR | Sector median | Relative |
|---|---|---|---|
| PE | 48x | 28x | 72% above |
| PE % | 58 | 35 | 23 pts above |
COHR has the edge over ARM on valuation relative to its sector.
ARM Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $237.8 | 16% below |
| 20 week MA | $257.3 | 22% below |
| 50 week MA | $213.9 | 6.6% below |
| 100 week MA | $176.5 | 13% above |
COHR has stronger trend alignment. ARM is above 1 of 4 weekly averages versus COHR above 2 of 5.
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.
ARM Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2023 | $60.8 | $75.2 | +24% |
| 2024 | $75.2 | $129.2 | +72% |
| 2025 | $129.2 | $110.3 | -15% |
| 2026 YTD | $110.3 | $199.8 | +81% |
ARM has the edge over COHR on returns for 2026, with the stronger performance.
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.