Amprius Technologies (AMPX) closed at $8.18 on October 23, 2026, up 3.4% from the previous close, on volume of 5,931,295 shares (30-day average 5,396,386).
Data as of October 23, 2026.
23-Oct-2026
Amprius Sets Nov. 11 Call for Q3 2026 Results as Shares Trade Around $8.14 Midday
Market Chameleon (Wed, 21-Oct 7:54 AM ET)
Amprius Sets Nov. 11, 2026 Call as Silicon-Anode Batteries Target “Up to Twice” Energy Density
Market Chameleon (Wed, 21-Oct 4:37 AM ET)
Amprius Technologies Announces Date for Third Quarter 2026 Results and Business Updates
Business Wire (Wed, 21-Oct 8:30 AM ET)
PRNewswire (Mon, 5-Oct 8:01 AM ET)
Amprius Lands Up to $75 Million DoW Grant to Convert a U.S. EV Battery Line for Drone Cells
Market Chameleon (Mon, 28-Sep 3:07 AM ET)
Amprius Secures $75 Million Grant for American High-Energy Density Battery Production
Business Wire (Mon, 28-Sep 5:00 AM ET)
Amprius Introduces SiCore500 - High Energy Density Cells for Unmanned Aviation
Business Wire (Wed, 2-Sep 8:30 AM ET)
Amprius Sets September 2026 Events Schedule
Business Wire (Tue, 1-Sep 8:30 AM ET)
Washington Commits Another $2 Billion to Domestic Battery Supply
Globe Newswire (Mon, 10-Aug 2:50 PM ET)
Amprius Technologies Reports Second Quarter 2026 Financial Results and Recent Business Highlights
Business Wire (Tue, 4-Aug 4:05 PM ET)
Amprius Technologies Inc is engaged in the production of silicon anodes for high-energy-density lithium-ion batteries. The company develops, manufactures and markets lithium-ion batteries for mobility applications, including the aviation, electric vehicle (EV) and light electric vehicle (LEV) industries. The company's batteries are used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites. Its silicon anodes are a direct drop-in replacement of the graphite anode in traditional lithium-ion batteries, and its manufacturing processes leverage the manufacturing processes for conventional lithium-ion batteries and the related supply chain.
Amprius Technologies trades on the NYSE stock market under the symbol AMPX.
As of October 23, 2026, AMPX stock price climbed to $8.18 with 5,931,295 million shares trading.
AMPX has a beta of 2.02, meaning it tends to be more sensitive to market movements. AMPX has a correlation of 0.08 to the broad based SPY ETF.
AMPX has a market cap of $1.19 billion. This is considered a Small Cap stock.
Last quarter Amprius Technologies reported $34 million in Revenue and -$.02 earnings per share. This beat revenue expectation by $5 million and met earnings estimates .
In the last 3 years, AMPX traded as high as $24.23 and as low as $.61.
The top ETF exchange traded funds that AMPX belongs to (by Net Assets): VTI, IWM, VXF, IWO, VTWO.
AMPX has underperformed the market in the last year with a price return of -29.8% while the SPY ETF gained +14.3%. AMPX has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -17.5% and -13.3%, respectively, while the SPY returned +3.2% and -2.4%, respectively.
AMPX support price is $7.47 and resistance is $8.35 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that AMPX shares will trade within this expected range on the day.
