Archimedes Tech SPAC Partners III Co. (ARCI) Stock Price, News & Analysis
What Changed
Price Move History
- Daily moves over 5%
- 0 98 sessions, March 16, 2026 to October 2, 2026
- Largest daily move
- +0.5% close of March 17, 2026
- 1-month change
- -0.4% closing prices, September 2, 2026 to October 2, 2026
Company Description
Archimedes Tech SPAC Partners III Co. (NASDAQ: ARCI) is classified in the blank checks industry and carries a market capitalization of $356.1M.
ARCI has declined 0.4% over the past month. The last closing price was $10.08.
This page collects what Stock Titan holds for ARCI, including price data, latest news, SEC filings, and short interest trends.
Stock Performance
Archimedes Tech SPAC Partners III Co. (ARCI) closed at $10.08 on October 2, 2026. Over the past month, the price has lost 0.4%.
ARCI Metrics & Rankings
Price returns through October 2, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
Archimedes Tech SPAC Partners III Co. has 3 recent news articles. Key topics include acquisition, clinical trial, fda approval. View all ARCI news →
SEC Filings
Archimedes Tech SPAC Partners III Co. has filed 6 recent SEC filings, including 2 Form 10-Q, 2 Form 8-K, 1 Form 3, 1 Form SCHEDULE 13G. The most recent filing was submitted on August 13, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all ARCI SEC filings →
Short Interest History
Short interest in Archimedes Tech SPAC Partners III Co. (ARCI) currently stands at 1.1 thousand shares, up 8.8% from the previous reporting period, representing 0.0% of the float. Since March 2026, short interest has decreased by 57.7%.
Days to Cover History
Days to cover for Archimedes Tech SPAC Partners III Co. (ARCI) currently stands at 1.0 days. The ratio is the reported short interest divided by the average daily trading volume. Across the settlements charted above, it has ranged from 1.0 to 2.9 days.
ARCI Company Profile & Sector Positioning
Archimedes Tech SPAC Partners III Co. (ARCI) and is listed on the NASDAQ.