Amphastar P Stock Price History

AMPH Stock  USD 29.83  0.38  1.26%   
Below is the normalized historical share price chart for Amphastar P extending back to June 25, 2014. This chart has been adjusted for all splits and dividends and is plotted against all major global economic recessions. As of today, the current price of Amphastar stands at 29.83, as last reported on the 16th of August 2025, with the highest price reaching 30.63 and the lowest price hitting 29.82 during the day.
IPO Date
25th of June 2014
200 Day MA
31.2153
50 Day MA
23.724
Beta
0.76
 
Yuan Drop
 
Covid
If you're considering investing in Amphastar Stock, it is important to understand the factors that can impact its price. Amphastar appears to be very steady, given 3 months investment horizon. Amphastar P secures Sharpe Ratio (or Efficiency) of 0.1, which signifies that the company had a 0.1 % return per unit of risk over the last 3 months. We have found twenty-nine technical indicators for Amphastar P, which you can use to evaluate the volatility of the firm. Please makes use of Amphastar's Mean Deviation of 2.21, downside deviation of 2.15, and Risk Adjusted Performance of 0.0897 to double-check if our risk estimates are consistent with your expectations.
As of now, Amphastar's Liabilities And Stockholders Equity is increasing as compared to previous years. The Amphastar's current Other Stockholder Equity is estimated to increase to about 263.1 M, while Common Stock Shares Outstanding is projected to decrease to under 43.9 M. . As of now, Amphastar's Price Earnings To Growth Ratio is decreasing as compared to previous years. The Amphastar's current Price To Operating Cash Flows Ratio is estimated to increase to 11.69, while Price To Sales Ratio is projected to decrease to 1.95. Amphastar Stock price history is provided at the adjusted basis, taking into account all of the recent filings.

Sharpe Ratio = 0.1044

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Estimated Market Risk

 3.38
  actual daily
30
70% of assets are more volatile

Expected Return

 0.35
  actual daily
7
93% of assets have higher returns

Risk-Adjusted Return

 0.1
  actual daily
8
92% of assets perform better
Based on monthly moving average Amphastar is performing at about 8% of its full potential. If added to a well diversified portfolio the total return can be enhanced and market risk can be reduced. You can increase risk-adjusted return of Amphastar by adding it to a well-diversified portfolio.
Price Book
1.8543
Enterprise Value Ebitda
7.3702
Price Sales
1.9436
Shares Float
35.3 M
Wall Street Target Price
32

Amphastar Stock Price History Chart

There are several ways to analyze Amphastar Stock price data. The simplest method is using a basic Amphastar candlestick price chart, which shows Amphastar price history and the buying and selling dynamics of a specified period. Many traders also use subjective judgment to their trading calls, avoiding the need to trade based on technical analysis.
Highest PriceAugust 13, 202530.48
Lowest PriceJuly 18, 202520.62

Amphastar August 16, 2025 Stock Price Synopsis

Various analyses of Amphastar's daily price changes, such as its Balance Of Power or Price Action, are crucial when deciding whether to buy, hold, or sell Amphastar Stock. It can be used to describe the percentage change in the price of Amphastar from one trading day to the next and could be a valuable metric for traders and investors to gauge the volatility and momentum of Amphastar Stock.
Amphastar Price Action Indicator(0.59)
Amphastar Accumulation Distribution 17,242 
Amphastar Price Daily Balance Of Power(0.47)
Amphastar Price Rate Of Daily Change 0.99 

Amphastar August 16, 2025 Stock Price Analysis

When benchmark price declines in a down market, there may be an uptick in Amphastar Stock price where buyers come in believing the asset is cheap or selling overdone. The opposite is true when the market is bullish. You can use Amphastar intraday prices and daily technical indicators to check the level of noise trading in Amphastar Stock and then apply it to test your longer-term investment strategies against Amphastar.

Amphastar Stock Price History Data

The price series of Amphastar for the period between Sun, May 18, 2025 and Sat, Aug 16, 2025 has a statistical range of 9.86 with a coefficient of variation of 9.5. The prices are distributed with arithmetic mean of 23.99. The median price for the last 90 days is 23.88. The company issued dividends on Jun 11, 2010.
OpenHighLowCloseVolume
08/15/2025
 30.21  30.63  29.82  29.83  651,991 
08/14/2025 30.03  30.63  29.64  30.21  464,374 
08/13/2025
 30.44  31.23  30.00  30.48  1,016,583 
08/12/2025 28.18  30.63  28.14  30.35  1,601,904 
08/11/2025 24.73  27.41  24.69  27.36  1,815,430 
08/08/2025 22.29  24.70  22.07  23.81  1,005,009 
08/07/2025 21.15  21.74  20.70  21.62  705,153 
08/06/2025 21.42  21.68  20.79  20.82  414,589 
08/05/2025
 21.44  21.57  21.18  21.44  388,966 
08/04/2025
 21.19  21.43  20.88  21.40  463,650 
08/01/2025 20.86  21.25  20.39  21.21  440,154 
07/31/2025
 21.06  21.33  20.77  20.95  545,003 
07/30/2025
 21.70  21.84  21.23  21.34  304,733 
07/29/2025
 22.10  22.13  21.65  21.67  358,965 
07/28/2025
 22.37  22.90  22.06  22.24  457,570 
07/25/2025
 22.46  22.50  22.13  22.37  329,130 
07/24/2025
 22.48  22.68  22.39  22.51  320,091 
07/23/2025 21.53  22.70  21.51  22.63  518,064 
07/22/2025
 21.29  21.70  21.08  21.35  469,496 
07/21/2025
 20.70  21.22  20.64  21.19  536,087 
07/18/2025
 21.92  22.00  20.43  20.62  430,242 
07/17/2025
 21.20  21.92  21.19  21.70  407,650 
07/16/2025
 21.41  21.65  21.09  21.27  675,720 
07/15/2025
 22.11  22.31  21.16  21.18  504,519 
07/14/2025
 21.71  22.12  21.50  21.95  504,860 
07/11/2025
 22.00  22.14  21.48  21.66  449,086 
07/10/2025
 22.44  22.83  22.20  22.21  464,802 
07/09/2025
 22.78  22.94  22.29  22.44  371,461 
07/08/2025
 22.86  23.38  22.43  22.60  657,360 
07/07/2025
 23.06  23.72  22.80  22.86  791,122 
07/03/2025
 23.66  23.77  22.92  23.20  221,782 
07/02/2025 23.43  23.72  23.20  23.58  465,368 
07/01/2025
 22.94  24.52  22.89  23.34  444,408 
06/30/2025
 23.17  23.25  22.81  22.96  396,102 
06/27/2025
 23.32  23.42  22.86  23.08  1,270,637 
06/26/2025
 23.60  23.77  23.03  23.18  517,512 
06/25/2025
 24.51  24.53  23.31  23.45  426,886 
06/24/2025
 24.83  25.04  24.53  24.58  395,482 
06/23/2025
 24.50  24.75  24.40  24.68  409,007 
06/20/2025
 25.67  25.85  24.35  24.56  672,733 
06/18/2025
 25.58  25.80  25.26  25.34  393,981 
06/17/2025
 25.78  26.06  25.54  25.61  399,985 
06/16/2025
 25.96  26.03  25.59  25.98  365,928 
06/13/2025 25.93  26.27  25.70  25.82  402,402 
06/12/2025
 26.08  26.50  25.77  26.44  506,968 
06/11/2025
 26.94  27.04  26.02  26.05  528,226 
06/10/2025
 26.76  27.40  26.70  26.92  624,899 
06/09/2025
 26.17  26.86  26.10  26.62  514,483 
06/06/2025
 25.76  26.02  25.53  25.99  359,174 
06/05/2025
 25.90  25.91  25.19  25.52  555,176 
06/04/2025
 26.01  26.57  25.76  25.86  395,479 
06/03/2025 25.39  26.17  25.13  26.01  526,254 
06/02/2025 25.61  26.05  25.26  25.38  656,459 
05/30/2025
 25.59  25.92  25.15  25.71  460,917 
05/29/2025
 25.39  25.79  25.18  25.64  524,687 
05/28/2025 25.51  25.69  25.12  25.26  476,324 
05/27/2025
 24.86  25.72  24.81  25.53  532,528 
05/23/2025
 23.74  24.49  23.74  24.47  548,566 
05/22/2025
 24.00  24.39  23.93  24.20  360,874 
05/21/2025
 24.81  24.84  24.15  24.16  341,435 
05/20/2025
 24.83  25.24  24.67  25.07  482,087 

About Amphastar Stock history

Amphastar investors dedicate a lot of time and effort to gaining insight into how a market's past behavior relates to its future. Access to timely market data for Amphastar is vital when making an investment decision, and regardless of whether you use fundamental or technical analysis, your return on investment in Amphastar P will depend on recognizing future opportunities and eliminating past mistakes. Historical data analysis is the study of market behavior over a given time. Recorded market-related data such as price, volatility, and volume can be quantified and studied over a defined period. Through a detailed examination of a market's past behavior, traders and investors can gain perspective on the inner workings of that market. The information obtained throughout analyzing Amphastar stock prices may prove useful in developing a viable investing in Amphastar
Last ReportedProjected for Next Year
Common Stock Shares Outstanding52.1 M43.9 M
Net Income Applicable To Common Shares105.1 M110.3 M

Amphastar Quarterly Net Working Capital

404.42 Million

Amphastar Stock Technical Analysis

Amphastar technical stock analysis exercises models and trading practices based on price and volume transformations, such as the moving averages, relative strength index, regressions, price and return correlations, business cycles, stock market cycles, or different charting patterns.
A focus of Amphastar technical analysis is to determine if market prices reflect all relevant information impacting that market. A technical analyst looks at the history of Amphastar trading pattern rather than external drivers such as economic, fundamental, or social events. It is believed that price action tends to repeat itself due to investors' collective, patterned behavior. Hence technical analysis focuses on identifiable price trends and conditions. More Info...

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Amphastar Technical and Predictive Indicators

Predictive indicators are helping investors to find signals for Amphastar's price direction in advance. Along with the technical and fundamental analysis of Amphastar Stock historical price patterns, it is also worthwhile for investors to track various predictive indicators of Amphastar to make sure they correctly time the market and exploit it's hidden potentials. Even though most predictive indicators are useful for the short-term horizon, it's virtually impossible to predict the unforeseen market. For traders with a short-term horizon, predictive indicators add value when properly applied. Long-term investors, however, may find many predictive indicators less useful.

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When running Amphastar's price analysis, check to measure Amphastar's market volatility, profitability, liquidity, solvency, efficiency, growth potential, financial leverage, and other vital indicators. We have many different tools that can be utilized to determine how healthy Amphastar is operating at the current time. Most of Amphastar's value examination focuses on studying past and present price action to predict the probability of Amphastar's future price movements. You can analyze the entity against its peers and the financial market as a whole to determine factors that move Amphastar's price. Additionally, you may evaluate how the addition of Amphastar to your portfolios can decrease your overall portfolio volatility.
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