AMRX vs. COHR
AMRX (Amneal Pharmaceuticals, Inc.) and COHR (Coherent Corp.) are both stocks. AMRX operates in Drug Manufacturers - Specialty & Generic (Healthcare), while COHR operates in Scientific & Technical Instruments (Technology). Over the past 10 years, AMRX returned -5.48%/yr vs 35.13%/yr for COHR. At a 0.28 correlation, their price movements are largely independent.
Performance
AMRX vs. COHR - Performance Comparison
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Returns By Period
In the year-to-date period, AMRX achieves a 32.22% return, which is significantly lower than COHR's 106.54% return. Over the past 10 years, AMRX has underperformed COHR with an annualized return of -5.48%, while COHR has yielded a comparatively higher 35.13% annualized return.
AMRX
- 1D
- 3.41%
- 1M
- 34.14%
- YTD
- 32.22%
- 6M
- 29.75%
- 1Y
- 110.49%
- 3Y*
- 79.51%
- 5Y*
- 25.23%
- 10Y*
- -5.48%
COHR
- 1D
- -10.40%
- 1M
- 0.97%
- YTD
- 106.54%
- 6M
- 98.69%
- 1Y
- 372.74%
- 3Y*
- 101.34%
- 5Y*
- 39.83%
- 10Y*
- 35.13%
AMRX vs. COHR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AMRX Amneal Pharmaceuticals, Inc. | 32.22% | 59.09% | 30.48% | 205.03% | -58.46% | 4.81% | -5.19% | -64.38% | -18.74% | 25.66% |
COHR Coherent Corp. | 106.54% | 94.84% | 117.62% | 24.02% | -48.63% | -10.04% | 125.60% | 3.73% | -30.86% | 58.35% |
Correlation
The correlation between AMRX and COHR is 0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.09 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.22 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.27 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.25 |
Correlation (All Time) Calculated using the full available price history since Jan 15, 2009 | 0.28 |
The correlation between AMRX and COHR shifts across timeframes, from 0.09 (1 year) to 0.28 (all time), reflecting how their relationship changes across market environments.
Fundamentals
AMRX:
$0.38
COHR:
$1.64K
AMRX:
44.28
COHR:
0.23
AMRX:
1.54
COHR:
0.04
AMRX:
1.78
COHR:
0.02
AMRX:
$3.05B
COHR:
$1.81T
AMRX:
$1.18B
COHR:
$1.76B
AMRX:
$626.02M
COHR:
$960.76M
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Return for Risk
AMRX vs. COHR — Risk / Return Rank
AMRX
COHR
AMRX vs. COHR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Amneal Pharmaceuticals, Inc. (AMRX) and Coherent Corp. (COHR). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| AMRX | COHR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.54 | ||
| Sortino ratioReturn per unit of downside risk | +0.32 | ||
| Omega ratioGain probability vs. loss probability | 1.52 | 1.53 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 4.99 | 14.17 | -9.17 |
| Martin ratioReturn relative to average drawdown | 12.35 | 38.49 | -26.14 |
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Drawdowns
AMRX vs. COHR - Drawdown Comparison
The maximum AMRX drawdown since its inception was -97.52%, which is greater than COHR's maximum drawdown of -80.89%. Use the drawdown chart below to compare losses from any high point for AMRX and COHR.
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Drawdown Indicators
| AMRX | COHR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -97.52% | -80.89% | -16.63% |
Max Drawdown (1Y)Largest decline over 1 year | -22.25% | -26.52% | +4.27% |
Max Drawdown (3Y)Largest decline over 3 years | -26.80% | -54.85% | +28.05% |
Max Drawdown (5Y)Largest decline over 5 years | -78.29% | -62.87% | -15.42% |
Max Drawdown (10Y)Largest decline over 10 years | -95.98% | -72.22% | -23.76% |
Current DrawdownCurrent decline from peak | -67.53% | -10.70% | -56.83% |
Average DrawdownAverage peak-to-trough decline | -54.35% | -35.00% | -19.35% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.98% | 9.74% | -0.76% |
Volatility
AMRX vs. COHR - Volatility Comparison
The current volatility for Amneal Pharmaceuticals, Inc. (AMRX) is 11.67%, while Coherent Corp. (COHR) has a volatility of 31.81%. This indicates that AMRX experiences smaller price fluctuations and is considered to be less risky than COHR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AMRX | COHR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 11.67% | 31.81% | -20.14% |
Volatility (6M)Calculated over the trailing 6-month period | 24.41% | 58.94% | -34.53% |
Volatility (1Y)Calculated over the trailing 1-year period | 32.29% | 75.47% | -43.18% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 51.00% | 62.10% | -11.10% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 65.25% | 56.82% | +8.43% |
Dividends
AMRX vs. COHR - Dividend Comparison
Neither AMRX nor COHR has paid dividends to shareholders.
Financials
AMRX vs. COHR - Financials Comparison
This section allows you to compare key financial metrics between Amneal Pharmaceuticals, Inc. and Coherent Corp.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
AMRX vs. COHR - Profitability Comparison
AMRX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Amneal Pharmaceuticals, Inc. reported a gross profit of 320.11M and revenue of 722.52M. Therefore, the gross margin over that period was 44.3%.
COHR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Coherent Corp. reported a gross profit of 0.00 and revenue of 1.81T. Therefore, the gross margin over that period was 0.0%.
AMRX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Amneal Pharmaceuticals, Inc. reported an operating income of 133.54M and revenue of 722.52M, resulting in an operating margin of 18.5%.
COHR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Coherent Corp. reported an operating income of 0.00 and revenue of 1.81T, resulting in an operating margin of 0.0%.
AMRX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Amneal Pharmaceuticals, Inc. reported a net income of 62.50M and revenue of 722.52M, resulting in a net margin of 8.7%.
COHR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Coherent Corp. reported a net income of 191.40B and revenue of 1.81T, resulting in a net margin of 10.6%.
Frequently Asked Questions
AMRX and COHR have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
COHR has higher volatility (31.81%) compared to AMRX (11.67%). In terms of maximum drawdown, AMRX dropped -97.52% vs COHR's -80.89%.
COHR currently has the higher Sharpe Ratio (4.98 vs 3.44), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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