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Weekly Market ReportAmphastar Pharmaceuticals, Inc. AMPH

NASDAQ Signal Insights

Entity & Brand

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CompanyAmphastar Pharmaceuticals, Inc.
TickerAMPH
ExchangeNASDAQ
Weeks Used8

Signals Snapshot

8-week window ?
Smart Money Buy Fri, 12 Sep 2025
Source: smart_money
Signal close ?:
28.06
At the signal (week of Fri, 12 Sep 2025)
  • Week change: -2.77%
  • Closed near the weekly low (soft finish).
  • Close sits below the short-term trend.
  • Above the intermediate trend backdrop.
  • Participation easing (volume trend falling).
  • Since signal (perf): -1.50% over 1w; MFE -1.50% (0w), MAE +0.00% (1w).
Since the signal (to present)
MFE ? MAE ?
Elapsed
1w
Current return
-1.50%
MFE
0.00% (0w)
MAE
-1.50% (1w)
ST: Below MT: Near
Summary
At the smart money buy week (Fri, 12 Sep 2025) you saw the bullet points above. Since then, price is -1.50% over 1 weeks. Peak move [MFE]: 0.00% (0w); worst dip [MAE]: -1.50% (1w).
How to read this section
Left column describes the week the signal was generated (historical context). Right column shows performance and posture since that signal to the present. MFE ? and MAE ? quantify upside capture vs downside risk after the signal.

Price Overview

Tiles ?
Metric Signal Value Notes
Price Window Positive 30.32% over 8w Endpoint return across the selected window.
Volume Trend Positive Rising Slope of weekly volume across the window.
Vs 8w High Negative -9.73% Distance to the prior-window high (latest week excluded).
MA Stack Positive Constructive Short > Intermediate > Long is constructive; the reverse is weak.
Price vs MAs Positive Above

Trend Overview

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Metric Signal Value Notes
Gauge Reading Neutral 28.8/100
Direction Positive Rising
Acceleration Positive accelerating
Trend State Neutral Bottoming Attempt
Trend State: Bottoming Attempt — gauge 28.8/100 — 8w slope 2.53; ST slope 5.55 pts/wk ?
Accumulation at lows 7/7 (100.0%)

Weekly Price Action

8 weeks ?
Week ending Open High Low Close Change % Volume (MA) Trend
Fri, 19 Sep 2025 27.37 27.77 26.87 27.64 0.99%
Fri, 12 Sep 2025 28.86 28.86 27.91 28.06 -2.77%
Fri, 5 Sep 2025 29.08 29.78 28.98 29.42 1.17%
Fri, 29 Aug 2025 30.21 30.81 30.18 30.62 1.36%
Fri, 22 Aug 2025 29.98 30.95 29.47 30.26 0.93%
Fri, 15 Aug 2025 30.21 30.63 29.82 29.83 -1.26%
Fri, 8 Aug 2025 22.29 24.70 22.07 23.81 6.82%
Fri, 1 Aug 2025 20.86 21.25 20.39 21.21 1.68%

Price Narrative

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Stands OutNo highlights available.
What to WatchNo watch items available.

Trend Narrative

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Stands Out Trend focus for week ending Fri, 19 Sep 2025. Gauge: 28.8/100; slope 2.53 pts/wk; short-term 5.55 pts/wk; accelerating. Gauge volatility: normal. Momentum drawdown from 8w peak: 0.0 pts. Low-regime (≤0.25) upticks 7/7 (100.0%), bias: Accumulating.
What to Watch How to read this — Bearish backdrop but short-term momentum is improving; confirmation still needed.

All Price Analysis

Complete dump of monthly_analysis.series & monthly_analysis.diagnostics
Series
Close Price Change Pct: 30.31588873173031, Slope: 0.7784523809523811
Change Percent Vol: 2.5911628663594266, Slope: -0.5364285714285714
Volume Slope: 7253.571428571428, Z Last: 1.0544413007704603
Deviation From Baseline Last: -0.30868, Z Last: -0.5318144257595186, Slope: 0.0024763095238095243
Diagnostics
Volume Trend rising
Close Vs Recent High Pct -9.732201175702157
Conv Div convergence
Momentum Trend improving
Last Trend Label Bearish
Close Vs Recent Low Pct 30.31588873173031
Ma Stack bull
Cross 4 8 none
Price Vs Ma above
Baseline Deviation -0.30868
Baseline Dir widening
What does it mean?
  1. 8-week price move: 30.32%. Weekly return volatility: 2.59%. Close is 9.73% below the prior-window 8-week high. and 30.32% above the prior-window 8-week low. Volume trend: rising. Latest week’s volume is 1.05σ from its 8-week average. Price/volume correlation (returns vs volume): 0.25. Price/volume correlation (returns vs volume change): 0.22. 26-week move: 1.47%. 52-week move: -40.33%. Price sits 0.31% below its medium-term baseline, and the distance is widening. Moving-average stack is constructive (short above intermediate above long).
  2. How to read this — Price slope is upward, indicating persistent buying over the window. Volume and price are moving in the same direction — a constructive confirmation. Constructive MA stack supports the up-drift; pullbacks may find support at the 8–13 week region. Price holds above key averages, indicating constructive participation.
  3. Up-slope supports buying interest; pullbacks may be contained if activity stays firm.

All Trend Analysis

Complete dump of trend_analysis.series & trend_analysis.diagnostics
Series
Trend Pos Avg: 15.21725, Med: 12.802, Rng: (9.2, 28.817999999999998), Vol: 6.464302819136801, Slope: 2.529142857142857, Last: 28.817999999999998
Diagnostics
Last Pos 28.817999999999998
Vol Band normal
Acceleration Label Accelerating
Last Label Neutral
State Label Bottoming Attempt
Slope 8W 2.529142857142857
Slope Short 5.5474
Accel Value 1.0833571428571427
Drawdown From Peak Pts 0.0
Time In Bull 0
Time In Bear 8
Time In Mid 0
High Breakdown Recent False
Midline Failure Recent False
Bear Control Recent False
Recovery Mid Recent False
Recovery Bull Recent False
Acc Upticks 7
Acc Opportunities 7
Acc Rate 1.0
Acc Longest Streak 6
Dist Downticks 0
Dist Opportunities 0
Dist Rate None
Dist Longest Streak 0
Low Regime Bias Accumulating
High Regime Bias Mixed/None
What does it mean?
  1. Trend focus for week ending Fri, 19 Sep 2025. Gauge: 28.8/100; slope 2.53 pts/wk; short-term 5.55 pts/wk; accelerating. Gauge volatility: normal. Momentum drawdown from 8w peak: 0.0 pts. Low-regime (≤0.25) upticks 7/7 (100.0%), bias: Accumulating.
  2. How to read this — Bearish backdrop but short-term momentum is improving; confirmation still needed.
  3. Early improvement — look for a reclaim of 0.50→0.60 to validate.

Final Conclusion

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VerdictPositive
Stars ★★★★☆
SummaryPrice window: 30. Trend: Bottoming Attempt; gauge 28. In combination, liquidity confirms the move.
Strengths
  • Early improvement from bearish zone (bottoming attempt)
  • Price holds above 8w & 26w averages
  • Constructive moving-average stack
  • Liquidity confirms the price trend
Watch-outsNone listed.
Disclaimer. This report is provided for educational and informational purposes only and does not constitute investment advice, an offer, or a solicitation to buy or sell any security. Past performance is not indicative of future results. Markets involve risk, including possible loss of principal. Always perform your own research and consider consulting a qualified financial professional before making investment decisions.
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