Range Low Price High Price Comment
30 days $31.55 $39.01 Wednesday, 12th Feb 2025 AMPH stock ended at $31.82. This is 1.21% less than the trading day before Tuesday, 11th Feb 2025. During the day the stock fluctuated 2.06% from a day low at $31.75 to a day high of $32.40.
90 days $31.55 $46.43
52 weeks $31.55 $56.36

Historical Amphastar Pharmaceuticals prices

Date Open High Low Close Volume
Feb 12, 2025 $32.11 $32.40 $31.75 $31.82 346 449
Feb 11, 2025 $32.10 $32.25 $31.55 $32.21 434 402
Feb 10, 2025 $32.22 $32.48 $31.76 $32.21 315 607
Feb 07, 2025 $32.71 $32.95 $32.16 $32.30 296 807
Feb 06, 2025 $32.82 $33.42 $32.60 $32.79 349 601
Feb 05, 2025 $33.35 $33.35 $32.53 $32.79 350 304
Feb 04, 2025 $32.42 $33.76 $32.25 $33.19 424 080
Feb 03, 2025 $34.39 $34.39 $32.89 $33.39 566 767
Jan 31, 2025 $36.35 $36.35 $34.75 $34.87 499 909
Jan 30, 2025 $36.42 $37.02 $36.06 $36.37 397 827
Jan 29, 2025 $36.92 $37.28 $36.40 $36.42 415 775
Jan 28, 2025 $37.08 $37.38 $36.53 $37.12 430 669
Jan 27, 2025 $36.62 $37.66 $36.48 $37.11 393 108
Jan 24, 2025 $36.31 $36.84 $35.79 $36.50 534 020
Jan 23, 2025 $36.22 $36.66 $35.84 $36.39 335 079
Jan 22, 2025 $35.95 $36.30 $35.56 $36.14 346 285
Jan 21, 2025 $36.04 $36.32 $35.46 $36.03 465 588
Jan 17, 2025 $35.67 $35.96 $35.27 $35.70 400 945
Jan 16, 2025 $36.28 $36.85 $34.60 $35.66 1 013 104
Jan 15, 2025 $39.01 $39.01 $35.89 $36.24 799 736
Jan 14, 2025 $37.92 $38.92 $37.26 $38.48 510 741
Jan 13, 2025 $36.05 $37.95 $35.85 $37.92 449 522
Jan 10, 2025 $36.20 $36.58 $35.71 $36.36 391 061
Jan 08, 2025 $35.15 $36.99 $34.73 $36.63 894 016
Jan 07, 2025 $35.80 $36.16 $34.97 $35.25 744 797

FAQ

What are historical stock prices?
Historical stock prices refer to a stock’s recorded prices at various past points. These prices include several key figures that help investors and analysts evaluate a stock’s performance over time:
Open: Open price for the trading day.
High: Highest price for the trading day.
Low: Lowest price for the trading day.
Close: Close price for the trading day.

Additionally, historical prices often include:
Volume is the number of shares traded during the day. It indicates how actively a stock was traded and can provide insights into market sentiment and liquidity.

How can I use AMPH stock historical prices to predict future price movements?
Trend Analysis: Examine the AMPH stock’s historical trends to identify patterns that might continue.
Moving Averages: Use moving averages to detect potential reversal points.
Momentum Indicators: Apply indicators like RSI or MACD to assess the momentum and strength of price movements.
Volume Analysis: Analyze trading volume alongside price changes to gauge trend strength.
Statistical Methods: Use statistical tools such as regression analysis to model and forecast future prices based on past data.
These techniques can provide insights but should be used with risk management practices to mitigate potential losses.

What impact do stock splits have on historical price data?
When a company performs a stock split, it adjusts the historical price data to reflect the new, lower trading price as if it had always been that way.

This ensures consistency for anyone analyzing the stock’s past prices. The adjustment helps prevent misleading signals on charts, such as false sell signals or bearish trends that aren’t there. For instance, in a 2-for-1 stock split, the price per share is cut in half, which would otherwise appear as a dramatic drop on the chart. If someone didn’t know about the split, they might wrongly think something negative happened to the company. Most technical indicators would also react to this apparent drop by signaling to sell.

A stock split, while making the shares seem more affordable and potentially more attractive to investors, doesn’t alter the company’s fundamental value.

Why do the AMPH stock historical prices show a range for periods like 30 days, 90 days, and 52 weeks?
The range provides the lowest and highest prices at which the stock has traded during the specified period. This helps investors understand the stock’s volatility and price variability within that timeframe.

How can I use historical price volatility to assess risk?
High price volatility historically indicates higher risk and potentially higher returns. Investors can gauge the stock’s risk level by examining the range between high and low prices over various periods.
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ABOUT AMPHASTAR PHARMACEUTICALS
Amphastar Pharmaceuticals
Amphastar Pharmaceuticals, Inc., a bio-pharmaceutical company, develops, manufactures, markets, and sells generic and proprietary injectable, inhalation, and intranasal products in the United States, China, and France. The company operates through two segments, Finished Pharmaceutical Products and API. It offers Primatene Mist, an over-the-counter epinephrine inhalation product for the temporary relief of mild symptoms of intermittent asthma; Eno...
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