Amphastar Pharmaceuticals, Inc. (AMPH)
Quantitative Summary
DeterministicAt 11.8x earnings — a 82% discount to the sector average of 65.2x — AMPH is in the lower valuation range. Financial health is average: Piotroski 5/9.
Generated deterministically from quant metrics and financial statements. Not a recommendation.
Algorithmic Teardown
AI-GeneratedAmphastar Pharmaceuticals presents a fundamental profile characterized by robust profitability metrics juxtaposed against modest capital efficiency and declining top-line momentum. The company maintains healthy operating leverage, evidenced by a 49.5% gross margin supported by a 13.6% net margin, yet this earnings quality is tempered by an ROIC of only 8.0%, suggesting that returns on deployed capital fall short of typical cost-of-capital thresholds for high-growth healthcare equities. While the Piotroski F-Score of 5/9 indicates moderate financial strength with no immediate distress signals, the Beneish M-Score of -2.58 flags a low probability of earnings manipulation, reinforcing confidence in the reported margins despite the revenue contraction of -1.7% year-over-year.
Valuation metrics suggest significant compression relative to peers and potential upside based on intrinsic modeling approaches. Trading at 11.8x forward earnings, AMPH is priced substantially below its sector average of 37.5x, implying a market discount that may reflect concerns over the revenue decline rather than fundamental deterioration alone. A DCF analysis places fair value at $61 per share; if this target holds while current multiples remain depressed, the stock appears to offer a reversion opportunity contingent on growth stabilization or margin expansion. This valuation gap necessitates an assessment of whether the market is correctly pricing in persistent headwinds or undervaluing the asset's cash flow generation capabilities relative to its historical trajectory and sector norms.
The risk-reward dynamic hinges on management's ability to reverse revenue trends while maintaining these elevated margins, as indicated by the stable Piotroski score which suggests operational resilience despite top-line pressure. Investors must weigh the safety margin provided by the low valuation multiple against the capital allocation efficiency implied by the sub-10% ROIC and the specific growth trajectory embedded in the DCF assumptions.
Generated by LLM from quantitative data inputs. May contain inaccuracies. Not investment advice.
DCF Sandbox
InteractiveSensitivity Matrix
| TG ↓ / WACC → | 8% | 10% | 12% |
|---|---|---|---|
| 2% | $76 | $54 | $40 |
| 3% | $91 | $61 | $45 |
| 4% | $112 | $71 | $50 |
Center = base case. Green = >10% upside, Red = >10% downside vs —.
Pre-computed DCF: WACC=10.0%, terminal growth 3%. Fair value $61 (+0.0%). Not investment advice.
Valuation Context
Price Chart with Moving Averages
Quant Health Deep Dive
Profitability & Value Creation
Balance Sheet Health
Earnings Surprise History
EPS estimates vs actuals for the most recent reported quarters. Source: yfinance.
Underwater (Drawdown from Peak)
How far below the all-time high the price has been over time. Deeper = more pain for holders.
Rolling 60-Day Beta vs S&P 500 (VOO)
How the stock's sensitivity to market moves changes over time. β > 1 = more volatile than the market.
Fundamentals
Passive Flow Attribution
ETF Draft EffectWhen investors buy or sell ETFs like XPH or VFVA, the fund manager is mechanically forced to buy or sell AMPH shares regardless of Amphastar Pharmaceuticals, Inc.'s individual fundamentals. We estimate $15M of passive capital is structurally linked to AMPH through 7 tracked ETFs. Passive flows have a limited but growing influence on AMPH's daily trading dynamics.
Passive exposure = Σ (ETF AUM × stock weight in ETF) across 7 tracked ETFs. Actual passive ownership is larger (includes mutual funds). Not investment advice.
ETF Contagion Visualizer
Simulate a price drop in Amphastar Pharmaceuticals, Inc. to visualize passive redemption contagion across ETFs and collateral stocks.
If Amphastar Pharmaceuticals, Inc. (AMPH) experiences a significant drawdown, ETF redemptions can create collateral selling pressure on co-held stocks. Our model identifies ORGANON + CO (OGN) as the most exposed collateral stock, sharing 3 ETFs with AMPH. This is the "Passive Contagion" effect described in the Inelastic Market Hypothesis.
Contagion model based on shared ETF exposure and constituent weights across 7 tracked ETFs. Estimated selling pressure is a simplified model — actual impact depends on market liquidity, ETF redemption mechanics, and market-maker activity.
AMPH Ownership Dynamics
ETFs with Highest AMPH Exposure
Float lock-up computed from 7 ETFs tracked by SecuritiesDB. Actual passive ownership is higher (includes mutual funds, pension funds, etc.).
AMPH Capital Efficiency
How efficiently does Amphastar Pharmaceuticals, Inc. convert operating profits into free cash? The FCF Conversion ratio measures the gap between accounting earnings and real cash generation.
Amphastar Pharmaceuticals, Inc. converts 56% of its EBITDA into free cash flow, a healthy conversion rate indicating efficient capital management — the business generates substantial cash after reinvestment.
Capital efficiency = Free Cash Flow ÷ EBITDA. Reinvestment = (EBITDA − FCF) ÷ EBITDA. Metrics from latest annual filings. Not investment advice.
Fails-to-Deliver (FTD) History
SEC-reported settlement failures. Elevated FTDs can indicate high short-selling pressure, operational settlement issues, or naked shorting activity.
| Date | Failed Shares | Close Price | Notional Value |
|---|---|---|---|
| 2026-05-08 | 583 | $24.03 | $14,009.49 |
| 2026-05-07 | 906 | $23.90 | $21,653.4 |
| 2026-05-06 | 2,329 | $23.39 | $54,475.31 |
| 2026-05-05 | 1,855 | $22.74 | $42,182.7 |
| 2026-05-04 | 3,893 | $21.88 | $85,178.84 |
| 2026-04-30 | 3,488 | $21.63 | $75,445.44 |
| 2026-04-28 | 2,474 | $21.65 | $53,562.1 |
| 2026-04-21 | 373 | $22.92 | $8,549.16 |
| 2026-04-20 | 36 | $22.88 | $823.68 |
| 2026-04-06 | 1 | $20.45 | $20.45 |
| 2026-03-13 | 4,418 | $18.18 | $80,319.24 |
| 2026-03-05 | 2,645 | $19.96 | $52,794.2 |
| 2026-02-27 | 993 | $26.49 | $26,304.57 |
| 2026-02-18 | 636 | $28.45 | $18,094.2 |
| 2026-02-12 | 17 | $28.59 | $486.03 |
| 2026-02-10 | 19 | $28.61 | $543.59 |
| 2026-02-06 | 41 | $28.63 | $1,173.83 |
| 2026-02-04 | 2,302 | $28.24 | $65,008.48 |
| 2026-02-02 | 2,060 | $26.49 | $54,569.4 |
| 2026-01-28 | 150 | $26.25 | $3,937.5 |
| 2026-01-27 | 381 | $26.60 | $10,134.6 |
| 2026-01-21 | 15 | $25.95 | $389.25 |
| 2026-01-05 | 2,692 | $26.46 | $71,230.32 |
| 2025-12-26 | 429 | $26.81 | $11,501.49 |
| 2025-12-23 | 8,189 | $27.32 | $223,723.48 |
| 2025-12-22 | 72 | $26.60 | $1,915.2 |
| 2025-12-18 | 4,353 | $26.07 | $113,482.71 |
| 2025-12-16 | 625 | $26.31 | $16,443.75 |
| 2025-12-05 | 2,706 | $27.15 | $73,467.9 |
| 2025-11-26 | 89 | $27.69 | $2,464.41 |
Source: SEC Regulation SHO FTD data. Data is reported with a ~30 day delay. High FTD quantities relative to average daily volume may indicate settlement stress.
Compare AMPH to Peers
Quant metrics computed deterministically from financial statements and price data. Updated: N/A.
SecuritiesDB provides programmatic data aggregation for informational purposes only. None of the metrics, summaries, or algorithmic flags constitute a recommendation to buy or sell any security.