Stock Forecast Chart
Stock Price Prediction Summary
Forecast Score Based on 2 Weeks
Based on our forecast, the price of AMPH will rise by +5.20% over the next 2 Weeks and hit $24.87 by Tuesday, September 29, 2026. In that time frame, AMPH's share price is expected to range between $24.43 and $25.30.
BearishAverageBullish| Date | Predicted Lower | Predicted | Predicted Upper |
|---|---|---|---|
| Sep 29, 2026 | 24.43 | 24.87 | 25.30 |
| Sep 28, 2026 | 24.30 | 24.76 | 25.19 |
| Sep 25, 2026 | 24.26 | 24.73 | 25.20 |
| Sep 24, 2026 | 24.14 | 24.61 | 25.05 |
| Sep 23, 2026 | 24.17 | 24.62 | 25.07 |
| Sep 22, 2026 | 23.92 | 24.35 | 24.73 |
| Sep 21, 2026 | 23.84 | 24.24 | 24.66 |
| Sep 18, 2026 | 23.80 | 24.21 | 24.60 |
| Sep 17, 2026 | 23.66 | 24.09 | 24.49 |
| Sep 16, 2026 | 23.67 | 24.10 | 24.51 |
AMPH shares fell -1.13% in Tuesday, September 15, 2026's trading session, dropping from a previous close of $23.91 to move at $23.64. The stock demonstrated notable intraday movement (see AMPH's key stats for a full breakdown), fluctuating between $23.56 and $23.94, a +1.60% trading range. While recent weeks have seen some volatility, AMPH has managed to secure a +2.96% gain over the past 2 weeks. The downward price movement was accompanied by decreased trading volume, with approximately 347.4K shares changing hands, 127.47K fewer than the previous session. This amounted to $8.21M in total market activity.
Will AMPH Continue Its Upward Trend?
According to analyst ratings and projections for AMPH, Amphastar Pharmaceuticals, Inc. shares are anticipated to increase by +6.55%, potentially reaching $25.30 per share by September 29, 2026. Short-term technical indicators currently suggest a neutral sentiment for AMPH. For deeper insights, view our sentiment analysis on AAPL covering social and institutional perspectives. However, the stock has recorded 18 positive trading days within the past 30 sessions. Based on the AMPH stock forecast, now is a good time to buy AMPH stock because its current trading price is -4.94% below our predicted value, hinting at a possible overvaluation. For deeper insights, view our sentiment analysis on AMPH covering social and institutional perspectives.
AMPH Technical Momentum: Overbought, Oversold, or Neutral?
An analysis of Relative Strength Index (RSI) indicators provides insight into AMPH's momentum. Short-term RSIs (9, 14, and 20-day figures ranging from 63.86% to 66.02%) suggest the stock is in a bullish momentum phase. The 50-day RSI, at 55.87%, suggests a neutral medium-term outlook. Additionally, the 100-day RSI, at 51.41%, maintains a neutral outlook for the long term. Insights into AMPH's shareholder base show how institutional investors are positioning themselves during these momentum shifts
Amphastar Pharmaceuticals Short-Term Forecasts
AMPH Forecast For Next 5 Days
Our algorithm anticipates Amphastar Pharmaceuticals (AMPH) stock could hit $24.15 by Sep 22, 2026. This represents a +2.14% fall from today's price, following a -11.73% change over the past five days.
AMPH Forecast For Next 30 Days
Based on analysis of market trends, the outlook for Amphastar Pharmaceuticals, Inc. (AMPH) stock over the next 30 days is largely positive. Price forecasts suggest an average target of $24.49, which would mean a +3.60% increase from the current price of $23.64. Projections for this period range from a high of $26.76 to a low of $22.40.
AMPH Forecast For Next 90 Days
Our proprietary market analysis suggests predictions for Amphastar Pharmaceuticals's price over the next three months point to a rise. AMPH stock is expected to peak at $32.83 on Nov 11, 2026 before potentially dipping to $19.95 on Dec 16, 2026. On average, AMPH is likely to trade around $23.69 in the coming 90 days.
Amphastar Pharmaceuticals Stock Forecast 2025
Based on our predictive models, Amphastar Pharmaceuticals (AMPH) is expected to trade between $18.02 and $32.83 throughout 2026. This would result in an average price of $23.26, potentially offering investors a -1.61% return from current levels.
Amphastar Pharmaceuticals, Inc. Monthly Forecast 2026–2027
September 2026
According to our latest forecast models, Amphastar Pharmaceuticals, Inc. (AMPH) is positioned to show a strong performance in September 2026. The price is predicted to move between $20.65 and $25.99, settling at an average of $23.12. This could translate to a -2.20% loss.
October 2026
Based on current market signals, Amphastar Pharmaceuticals, Inc. is projected to trend october 2026. We forecast a trading range from $20.59 to $26.00, with a likely average price of $23.16. Investors could expect a potential return of -2.03%.
November 2026
Our predictive algorithms indicate Amphastar Pharmaceuticals, Inc. stock may see a shift in November 2026. The expected range spans $20.71–$32.83, with an average target of $25.32. This represents a positive outlook and a possible gain of +7.11%.
December 2026
Analyzing established trends, Amphastar Pharmaceuticals, Inc. looks set to move in December 2026. Projections place the stock between $18.02 and $24.81, averaging around $21.53. This suggests a -8.93% loss from current levels.
January 2027
Market indicators suggest Amphastar Pharmaceuticals, Inc. could experience notable changes during January 2027. Prices could fluctuate within $16.09 to $21.31, with a midpoint forecast of $18.76. The stock might deliver a -20.64% loss.
February 2027
Forecasting for February 2027, models estimate that Amphastar Pharmaceuticals, Inc. may undergo key fluctuations. If trends hold, the stock might trade between $15.31 and $21.09, averaging $18.31. This signals a cautious trajectory with potential returns around -22.55%.
March 2027
According to our latest forecast models, Amphastar Pharmaceuticals, Inc. (AMPH) is positioned to show a strong performance in March 2027. The price is predicted to move between $15.28 and $20.70, settling at an average of $17.98. This could translate to a -23.94% loss.
April 2027
Based on current market signals, Amphastar Pharmaceuticals, Inc. is projected to trend april 2027. We forecast a trading range from $15.46 to $22.76, with a likely average price of $19.64. Investors could expect a potential return of -16.92%.
May 2027
Our predictive algorithms indicate Amphastar Pharmaceuticals, Inc. stock may see a shift in May 2027. The expected range spans $11.93–$19.67, with an average target of $16.23. This represents a cautious outlook and a possible loss of -31.35%.
June 2027
Analyzing established trends, Amphastar Pharmaceuticals, Inc. looks set to move in June 2027. Projections place the stock between $10.70 and $15.90, averaging around $13.54. This suggests a -42.72% loss from current levels.
July 2027
Market indicators suggest Amphastar Pharmaceuticals, Inc. could experience notable changes during July 2027. Prices could fluctuate within $10.20 to $15.91, with a midpoint forecast of $13.09. The stock might deliver a -44.63% loss.
August 2027
Forecasting for August 2027, models estimate that Amphastar Pharmaceuticals, Inc. may undergo key fluctuations. If trends hold, the stock might trade between $10.22 and $16.29, averaging $12.82. This signals a cautious trajectory with potential returns around -45.77%.
September 2027
According to our latest forecast models, Amphastar Pharmaceuticals, Inc. (AMPH) is positioned to show a strong performance in September 2027. The price is predicted to move between $12.61 and $17.80, settling at an average of $15.26. This could translate to a -35.45% loss.
AMPH's history of dividends and stock splits also plays a role in long-term investor confidence.

