Amprius Technologies Inc.
NYSE: AMPX · INDUSTRIALS · ELECTRICAL EQUIPMENT & PARTS
Updated 2026-06-12
Amprius Technologies Inc. (AMPX) Stock Valuation Analysis
Fair value estimate, historical valuation range, and quality signals for AMPX.
Current price exceeds what fundamentals support. Risk/reward skewed unfavorably.
AMPX historical valuation range
Where current P/E sits in AMPX's own 5Y range.
AMPX intrinsic value (DCF)
DCF-based fair value estimate vs current market price.
Intrinsic value calculated using discounted cash flow (DCF) model based on projected free cash flows, discount rate, and terminal growth assumptions. A positive margin of safety indicates the current price is below estimated fair value, providing a cushion against estimation error.
AMPX valuation signals
Quick-read green flags, caution flags, and risks based on current metrics.
P/E Ratio — History
P/S Ratio — History
Current: 25.59x
Is AMPX overvalued in 2026?
Amprius Technologies Inc. (AMPX) currently trades at $16.31 per share with a market capitalization of $2,309,939,000.00. Based on our multi-factor framework, the stock appears richly valued with a Smart Value Score of 28/100. This score blends growth quality, financial health, and price attractiveness into a single institutional-grade read.
AMPX currently has no meaningful P/E ratio, which typically signals that the company is unprofitable, near breakeven, or emerging from a loss-making period. With a P/S ratio of 25.6x, the market is valuing the company primarily on its revenue rather than its earnings.
Our discounted cash flow model estimates AMPX's intrinsic value at $25.18 per share, against the current market price of $16.31. This implies a margin of safety of +35.23%. A meaningful cushion exists against model error, making this a reasonable risk-adjusted entry.
The Piotroski F-Score of 5/9 puts financial quality in a middling range, neither a standout strength nor an obvious red flag.
Bottom line: AMPX appears richly valued on our framework, with a Smart Value Score of 28/100. At current levels the risk/reward is skewed against the buyer. A materially lower price or significant operational improvement would be needed to change the picture.
Frequently asked questions
Is AMPX overvalued?
AMPX scores 28/100 on our Smart Value Score (Grade F), a weak overall profile. The DCF also shows a positive margin of safety, so price and fundamentals line up reasonably well.
What is AMPX's fair value?
Our DCF model estimates AMPX's intrinsic value at $25.18 per share, versus the current price of $16.31, a margin of safety of +35.23%. Fair value is the present value of the cash flows we project the business to produce, so a price below it means the market is pricing the stock below that conservative estimate.
What P/E ratio does AMPX trade at?
AMPX does not have a meaningful P/E right now, usually a sign of unprofitability or an earnings transition. For unprofitable growth names, price-to-sales is the more useful gauge.
Is AMPX a buy based on valuation?
Our Smart Value rating for AMPX is Strong Sell, from a Smart Value Score of 28/100 that blends growth, quality, and valuation. The profile skews cautious, and a better price or clearer operating improvement would strengthen the case. This is research to inform your decision, not personalized financial advice.
How does AMPX's valuation compare to its history?
There is not enough historical valuation data yet for a confident percentile read on AMPX.
What is AMPX's Smart Value Score?
AMPX's Smart Value Score is 28/100. It is a proprietary WallStSmart metric blending growth quality, financial health, and valuation into a single 0-100 read, and scores above 75 are rare, signaling strong multi-factor alignment.