COHR
Coherent, Inc.
COHR offers stronger modeled upside, but that advantage does not outweigh its weaker overall profile.
DDOG
Datadog, Inc.
DDOG has the edge over COHR overall, supported by stronger valuation and stronger fundamentals.
COHR Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Strong | |
| Weak | |
| Healthy |
COHR's revenue, profitability and balance sheet are currently healthy, but its cash flow is weak.
DDOG Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Healthy | |
| Strong | |
| Strong |
DDOG's revenue, profitability, cash flow and balance sheet are all currently healthy.
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.
DDOG PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Forward | 62x | $184 | — |
| Cheap | 251x | $181 | -2.1% |
| Current | 256x | $184 | — |
| Fair | 379x | $273 | +48% |
| Expensive | 621x | $447 | +142% |
Historical ranges are pointers, not guarantees.
DDOG 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 |
COHR has the edge over DDOG on the outlook, with more favorable profitability expectations.
DDOG Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Strong growth | |
| Stable | |
| Broad | |
| Low |
Analysts expect strong earnings and revenue growth for DDOG, with profitability holding steady. However, they disagree widely on these estimates.
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 DDOG on earnings, with more consistent year-over-year improvement.
DDOG Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $2.99 | +315% |
| Q3 2026 | $0.72 | +125% |
| Q2 2026 | $0.50 | +39% |
| Q1 2026 | $0.39 | -17% |
| Q4 2025 | $0.31 | -40% |
| Q3 2025 | $0.32 | -42% |
| Q2 2025 | $0.36 | -23% |
| Q1 2025 | $0.47 | +38% |
| Q4 2024 | $0.52 | +271% |
DDOG earned $0.72 per share over the past year, up 125% from the year before.
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 DDOG on profitability, with a higher operating margin.
DDOG Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $1.2B | +35% |
| Q2 2026 | $1.1B | +36% |
| Q1 2026 | $1B | +32% |
| Q4 2025 | $953.2M | +29% |
| Q3 2025 | $885.7M | +28% |
| Q2 2025 | $826.8M | +28% |
| Q1 2025 | $761.6M | +25% |
| Q4 2024 | $737.7M | +25% |
DDOG has the edge over COHR on sales, with stronger typical year-over-year growth.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 6.2% | +6.9 points |
| Q2 2026 | 0.5% | +4.8 points |
| Q1 2026 | 0.7% | +2.4 points |
| Q4 2025 | 1% | -0.3 points |
| Q3 2025 | -0.7% | -3.6 points |
| Q2 2025 | -4.3% | -6.3 points |
| Q1 2025 | -1.6% | -3.6 points |
| Q4 2024 | 1.3% | -3.4 points |
DDOG's operating margin was 6.2% last quarter, up 6.9 points from the same quarter a year ago, near the top of its range since 2019.
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.
DDOG Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $279.1M | +19% |
| Q2 2026 | $306M | +65% |
| Q1 2026 | $323.3M | +23% |
| Q4 2025 | $318.2M | +24% |
| Q3 2025 | $234.7M | +6.5% |
| Q2 2025 | $184.9M | +16% |
| Q1 2025 | $262.8M | +33% |
| Q4 2024 | $257.5M | +23% |
DDOG 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 |
DDOG Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +1.1% | +4M shares |
| 1 year | +3.6% | +13M shares |
| 3 years | +6.7% | +23.7M shares |
| 5 years | +21% | +64.8M shares |
| Available history | +14% | +47.2M shares |
DDOG has the edge over COHR on shareholder dilution, with a more favorable share count trend.
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.
DDOG Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | 0.6x | Very low |
| Q2 2026 | 7.0x | High |
| Q1 2026 | 18.2x | High |
| Q4 2025 | 123.2x | High |
| Q3 2025 | 94.8x | High |
| Q2 2025 | 16.5x | High |
| Q1 2025 | 6.9x | High |
| Q4 2024 | 3.6x | Elevated |
DDOG 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).
DDOG Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 42.5 | Neutral |
| Stochastic | 16.7 | Oversold |
DDOG's weekly RSI is 43 (neutral) and its Stochastic is 17 (oversold).
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 DDOG on valuation relative to its sector.
DDOG PE vs Technology Sector
| Metric | DDOG | Sector median | Relative |
|---|---|---|---|
| PE | 256x | 28x | 820% above |
| PE % | 19 | 35 | 16 pts below |
DDOG is trading at 256x earnings, a 820% premium to the Technology sector's median of 28x.
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.
DDOG Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $244.3 | 24% below |
| 20 week MA | $243.6 | 24% below |
| 50 week MA | $189.3 | 2.6% below |
| 100 week MA | $161.1 | 14% above |
| 200 week MA | $134.5 | 37% above |
DDOG has pulled back, but its long-term trend is still up: it's below its 8-, 20- and 50-week averages, but 37% 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.
DDOG Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $36.1 | $106.3 | +194% |
| 2021 | $106.3 | $180.4 | +70% |
| 2022 | $180.4 | $72.4 | -60% |
| 2023 | $72.4 | $121.4 | +68% |
| 2024 | $121.4 | $146.0 | +20% |
| 2025 | $146.0 | $138.3 | -5.3% |
| 2026 YTD | $138.3 | $184.5 | +33% |
DDOG has the edge over COHR on returns for 2026, with the stronger performance.