CORT vs. AMPH
CORT (Corcept Therapeutics Incorporated) and AMPH (Amphastar Pharmaceuticals, Inc.) are both stocks. Both are in the Healthcare sector — CORT in Biotechnology, AMPH in Drug Manufacturers - Specialty & Generic. Over the past 10 years, CORT returned 28.72%/yr vs 1.39%/yr for AMPH. At a 0.31 correlation, their price movements are largely independent.
Performance
CORT vs. AMPH - Performance Comparison
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Returns By Period
In the year-to-date period, CORT achieves a 108.76% return, which is significantly higher than AMPH's -32.34% return. Over the past 10 years, CORT has outperformed AMPH with an annualized return of 28.72%, while AMPH has yielded a comparatively lower 1.39% annualized return.
CORT
- 1D
- 2.04%
- 1M
- 40.79%
- YTD
- 108.76%
- 6M
- -13.17%
- 1Y
- 4.52%
- 3Y*
- 46.18%
- 5Y*
- 27.68%
- 10Y*
- 28.72%
AMPH
- 1D
- -1.79%
- 1M
- -20.32%
- YTD
- -32.34%
- 6M
- -34.30%
- 1Y
- -30.33%
- 3Y*
- -27.06%
- 5Y*
- -0.72%
- 10Y*
- 1.39%
CORT vs. AMPH - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CORT Corcept Therapeutics Incorporated | 108.76% | -30.94% | 55.14% | 59.92% | 2.58% | -24.31% | 116.20% | -9.43% | -26.02% | 148.76% |
AMPH Amphastar Pharmaceuticals, Inc. | -32.34% | -27.88% | -39.97% | 120.74% | 20.31% | 15.81% | 4.25% | -3.07% | 3.43% | 4.45% |
Correlation
The correlation between CORT and AMPH is 0.29, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.29 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.30 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.29 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.30 |
Correlation (All Time) Calculated using the full available price history since Jun 26, 2014 | 0.31 |
Fundamentals
CORT:
$7.59B
AMPH:
$841.82M
CORT:
$0.41
AMPH:
$1.67
CORT:
177.15
AMPH:
10.83
CORT:
88.25
AMPH:
0.57
CORT:
10.96
AMPH:
1.19
CORT:
11.89
AMPH:
1.09
CORT:
$769.10M
AMPH:
$720.53M
CORT:
$755.64M
AMPH:
$341.13M
CORT:
$3.66M
AMPH:
$155.96M
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Return for Risk
CORT vs. AMPH — Risk / Return Rank
CORT
AMPH
CORT vs. AMPH - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Corcept Therapeutics Incorporated (CORT) and Amphastar Pharmaceuticals, Inc. (AMPH). 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.
| CORT | AMPH | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.63 | ||
| Sortino ratioReturn per unit of downside risk | +1.16 | ||
| Omega ratioGain probability vs. loss probability | 1.14 | 0.92 | +0.21 |
| Calmar ratioReturn relative to maximum drawdown | 0.07 | -0.67 | +0.74 |
| Martin ratioReturn relative to average drawdown | 0.13 | -1.39 | +1.52 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| CORT | AMPH | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.06 | -0.57 | +0.63 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.37 | -0.02 | +0.39 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.43 | 0.03 | +0.40 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.11 | 0.15 | -0.04 |
Drawdowns
CORT vs. AMPH - Drawdown Comparison
The maximum CORT drawdown since its inception was -94.28%, which is greater than AMPH's maximum drawdown of -74.05%. Use the drawdown chart below to compare losses from any high point for CORT and AMPH.
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Drawdown Indicators
| CORT | AMPH | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -94.28% | -74.05% | -20.23% |
Max Drawdown (1Y)Largest decline over 1 year | -64.40% | -45.25% | -19.15% |
Max Drawdown (3Y)Largest decline over 3 years | -71.85% | -74.05% | +2.20% |
Max Drawdown (5Y)Largest decline over 5 years | -71.85% | -74.05% | +2.20% |
Max Drawdown (10Y)Largest decline over 10 years | -71.85% | -74.05% | +2.20% |
Current DrawdownCurrent decline from peak | -36.39% | -72.12% | +35.73% |
Average DrawdownAverage peak-to-trough decline | -53.45% | -23.98% | -29.47% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 35.28% | 21.90% | +13.38% |
Volatility
CORT vs. AMPH - Volatility Comparison
The current volatility for Corcept Therapeutics Incorporated (CORT) is 16.23%, while Amphastar Pharmaceuticals, Inc. (AMPH) has a volatility of 26.71%. This indicates that CORT experiences smaller price fluctuations and is considered to be less risky than AMPH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CORT | AMPH | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 16.23% | 26.71% | -10.48% |
Volatility (6M)Calculated over the trailing 6-month period | 85.05% | 45.74% | +39.31% |
Volatility (1Y)Calculated over the trailing 1-year period | 76.53% | 53.42% | +23.11% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 74.50% | 44.99% | +29.51% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 67.20% | 42.65% | +24.55% |
Dividends
CORT vs. AMPH - Dividend Comparison
Neither CORT nor AMPH has paid dividends to shareholders.
Financials
CORT vs. AMPH - Financials Comparison
This section allows you to compare key financial metrics between Corcept Therapeutics Incorporated and Amphastar Pharmaceuticals, Inc.. 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
CORT vs. AMPH - Profitability Comparison
CORT - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Corcept Therapeutics Incorporated reported a gross profit of 162.02M and revenue of 164.90M. Therefore, the gross margin over that period was 98.3%.
AMPH - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Amphastar Pharmaceuticals, Inc. reported a gross profit of 70.32M and revenue of 171.17M. Therefore, the gross margin over that period was 41.1%.
CORT - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Corcept Therapeutics Incorporated reported an operating income of -49.60M and revenue of 164.90M, resulting in an operating margin of -30.1%.
AMPH - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Amphastar Pharmaceuticals, Inc. reported an operating income of 13.63M and revenue of 171.17M, resulting in an operating margin of 8.0%.
CORT - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Corcept Therapeutics Incorporated reported a net income of -31.20M and revenue of 164.90M, resulting in a net margin of -18.9%.
AMPH - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Amphastar Pharmaceuticals, Inc. reported a net income of 6.42M and revenue of 171.17M, resulting in a net margin of 3.8%.
Frequently Asked Questions
CORT and AMPH have a correlation of 0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AMPH has higher volatility (26.71%) compared to CORT (16.23%). In terms of maximum drawdown, CORT dropped -94.28% vs AMPH's -74.05%.
CORT currently has the higher Sharpe Ratio (0.06 vs -0.57), 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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