Archimedes Tech Spac Partners II Co. - Unit (ATIIU) closed at $8.20 on October 21, 2026, up 2.2% from the previous close, on volume of 948 shares (30-day average 2,534).
Data as of October 21, 2026.
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Archimedes Tech Spac Partners II Co. - Unit trades on the stock market under the symbol ATIIU.
As of October 22, 2026, ATIIU stock price was flat at $8.20 with million shares trading.
ATIIU has a market cap of $0.00. This is considered a Sub-Micro Cap stock.
ATIIU has underperformed the market in the last year with a price return of -21.6% while the SPY ETF gained +14.8%. ATIIU has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -27.0% and -27.2%, respectively, while the SPY returned +2.2% and -1.8%, respectively.
ATIIU support price is $7.56 and resistance is $8.84 (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 ATIIU shares will trade within this expected range on the day.