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 -5.11%/yr vs 28.55%/yr for COHR. Their 0.28 correlation means their historical movements had little consistent relationship.
Performance
AMRX vs. COHR - Performance Comparison
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Returns By Period
In the year-to-date period, AMRX achieves a 45.40% return, which is significantly higher than COHR's 42.43% return. Over the past 10 years, AMRX has underperformed COHR with an annualized return of -5.11%, while COHR has yielded a comparatively higher 28.55% annualized return.
AMRX
- 1D
- -0.97%
- 1M
- 6.82%
- 6M
- 33.92%
- YTD
- 45.40%
- 1Y
- 133.97%
- 3Y*
- 79.45%
- 5Y*
- 30.02%
- 10Y*
- -5.11%
- ALL TIME*
- 11.78%
COHR
- 1D
- 5.55%
- 1M
- -21.14%
- 6M
- 23.90%
- YTD
- 42.43%
- 1Y
- 155.75%
- 3Y*
- 77.59%
- 5Y*
- 30.37%
- 10Y*
- 28.55%
- ALL TIME*
- 19.25%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $32.37M | $32.67M | $30.54M | |
COHR Coherent Corp. | $1.31B | $1.37B | $2.05B |
AMRX vs. COHR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AMRX Amneal Pharmaceuticals, Inc. | 45.40% | 59.09% | 30.48% | 205.03% | -58.46% | 4.81% | -5.19% | -64.38% | -18.74% | 25.66% |
COHR Coherent Corp. | 42.43% | 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 0.05, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.05 |
Correlation (3Y) Balances recent behavior with more history. | 0.20 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.26 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.24 |
Correlation (All Time) Calculated using the full available price history since Jan 15, 2009 | 0.28 |
Over the past year, the correlation between AMRX and COHR has dropped to 0.05 - well below their long-term average of 0.28, suggesting their price drivers have been diverging.
Fundamentals
AMRX:
$5.85B
COHR:
$51.43B
AMRX:
$0.48
COHR:
$1.85K
AMRX:
37.97
COHR:
0.14
AMRX:
1.32
COHR:
0.02
AMRX:
1.92
COHR:
0.02
AMRX:
$3.12B
COHR:
$1.81T
AMRX:
$1.23B
COHR:
$1.76B
AMRX:
$447.79M
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 | +2.29 | ||
| Sortino ratioReturn per unit of downside risk | +2.41 | ||
| Omega ratioGain probability vs. loss probability | 1.58 | 1.29 | +0.29 |
| Calmar ratioReturn relative to maximum drawdown | 6.07 | 3.03 | +3.04 |
| Martin ratioReturn relative to average drawdown | 15.13 | 10.76 | +4.36 |
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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% | -47.98% | +25.73% |
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 | -95.87% | -72.22% | -23.65% |
Current DrawdownCurrent decline from peak | -64.30% | -38.42% | -25.88% |
Average DrawdownAverage peak-to-trough decline | -54.42% | -34.97% | -19.45% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.91% | 13.46% | -4.55% |
Volatility
AMRX vs. COHR - Volatility Comparison
The current volatility for Amneal Pharmaceuticals, Inc. (AMRX) is 9.86%, while Coherent Corp. (COHR) has a volatility of 29.28%. 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 | 9.86% | 29.28% | -19.42% |
Volatility (6M)Calculated over the trailing 6-month period | 25.71% | 64.16% | -38.45% |
Volatility (1Y)Calculated over the trailing 1-year period | 33.29% | 81.08% | -47.79% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 50.81% | 63.47% | -12.66% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 65.25% | 57.61% | +7.64% |
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 Aug 2026, Amneal Pharmaceuticals, Inc. reported a gross profit of 334.51M and revenue of 796.20M. Therefore, the gross margin over that period was 42.0%.
COHR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 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 Aug 2026, Amneal Pharmaceuticals, Inc. reported an operating income of -1.30M and revenue of 796.20M, resulting in an operating margin of -0.2%.
COHR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 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 Aug 2026, Amneal Pharmaceuticals, Inc. reported a net income of 57.66M and revenue of 796.20M, resulting in a net margin of 7.2%.
COHR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 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 0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
COHR has higher volatility (29.28%) compared to AMRX (9.86%). In terms of maximum drawdown, AMRX dropped -97.52% vs COHR's -80.89%.
AMRX currently has the higher Sharpe Ratio (4.08 vs 1.79), 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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