ADVANTEST (ATEYY) Stock Price, News & Analysis
What Changed
Price Move History
- Daily moves over 5%
- 68 252 sessions, September 23, 2025 to September 23, 2026
- Largest daily move
- +17.1% close of January 28, 2026
- 1-year change
- +101.6% closing prices, September 23, 2025 to September 23, 2026
- 5-year change
- +733.3% closing prices, September 23, 2021 to September 23, 2026
Company Description
ADVANTEST (OTC: ATEYY) is classified in the semiconductor equipment & materials industry within the Technology sector and carries a market capitalization of $153.8B.
ATEYY has gained 101.6% over the past year. The last closing price was $213.00.
This page collects what Stock Titan holds for ATEYY, including price data, latest news, SEC filings, insider trading activity, financial highlights, upcoming events, and short interest trends.
Stock Performance
ADVANTEST (ATEYY) closed at $213.00 on September 23, 2026. Over the past 12 months, the price has gained 101.6%.
ATEYY Metrics & Rankings
Price returns through September 23, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
ADVANTEST has 2 recent news articles. Of the recent coverage, 1 article coincided with positive price movement and 1 with negative movement. View all ATEYY news →
SEC Filings
ADVANTEST has filed 1 recent SEC filing, including 1 Form D/A. The most recent filing was submitted on August 28, 2025. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all ATEYY SEC filings →
Financial Highlights
Upcoming Events
Short Interest History
Short interest in ADVANTEST (ATEYY) currently stands at 55.2 thousand shares, up 21.2% from the previous reporting period, representing 0.0% of the float. Since September 2025, short interest has decreased by 18.9%. This relatively low short interest suggests limited bearish sentiment.
Days to Cover History
Days to cover for ADVANTEST (ATEYY) currently stands at 1.0 days. This low days-to-cover ratio indicates high liquidity, allowing short sellers to quickly exit positions if needed.
ATEYY Company Profile & Sector Positioning
ADVANTEST (ATEYY) operates in the Semiconductor Equipment & Materials industry within the broader Technology sector and is listed on the OTC.
Investors comparing ATEYY often look at related companies in the same sector, including ASM INTL NV (ASMIY), BE SMCNDCTR INDUS (BESIY), ERICSSON (LM) TEL B (ERIXF), ADYEN NV (ADYEY), and INFINEON TECHS AG (IFNNY). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate ATEYY's relative position within its industry.