Archimedes Tech SPAC Partners II Co. Ordinary Shares (ATII) Stock Price History
Historical prices from 2025 to 2026
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ATII Historical Performance
Short-Term Returns
ATII Stock Price Trajectory (2025–2026)
As of May 8, 2026, Archimedes Tech SPAC Partners II Co. Ordinary Shares (ATII) trades at $10.80, representing a +7.4% return over the past year. The stock has delivered a +8.3% total return over five years (+1.6% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $10.89 on May 6, 2026. From this peak, ATII has corrected -0.8%, currently trading 4% above its 200-day moving average, indicating continued institutional support.
When compared to Financial Services sector peers ACIC (-11.7% 1Y), TPVG (-8.6% 1Y), and GS (+65.5% 1Y), ATII has underperformed the peer group average. Compare ATII vs ACIC →
ATII Historical Price Data (2025–2026)
Showing 30 of 273 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-08 | 10.79 | 10.82 | 10.75 | 10.80 | 115K | 0.00% |
| 2026-05-07 | 10.81 | 10.87 | 10.79 | 10.80 | 370K | -0.28% |
| 2026-05-06 | 10.66 | 10.89 | 10.63 | 10.83 | 598K | +2.07% |
| 2026-05-05 | 10.65 | 10.65 | 10.61 | 10.61 | 8K | -0.28% |
| 2026-05-04 | 10.67 | 10.67 | 10.63 | 10.64 | 117K | -0.09% |
| 2026-05-01 | 10.65 | 10.67 | 10.65 | 10.65 | 122K | 0.00% |
| 2026-04-30 | 10.63 | 10.67 | 10.63 | 10.65 | 188K | -0.28% |
| 2026-04-29 | 10.66 | 10.68 | 10.65 | 10.68 | 141K | +0.38% |
| 2026-04-28 | 10.70 | 10.70 | 10.56 | 10.64 | 58K | -0.37% |
| 2026-04-27 | 10.64 | 10.69 | 10.63 | 10.68 | 134K | +0.56% |
| 2026-04-24 | 10.60 | 10.65 | 10.59 | 10.62 | 28K | +0.28% |
| 2026-04-23 | 10.68 | 10.68 | 10.54 | 10.59 | 85K | -0.75% |
| 2026-04-22 | 10.70 | 10.70 | 10.63 | 10.67 | 459K | +0.57% |
| 2026-04-21 | 10.52 | 10.61 | 10.51 | 10.61 | 4.54M | +1.43% |
| 2026-04-20 | 10.46 | 10.46 | 10.45 | 10.46 | 10K | 0.00% |
| 2026-04-16 | 10.44 | 10.46 | 10.43 | 10.46 | 1K | +0.19% |
| 2026-04-15 | 10.45 | 10.45 | 10.44 | 10.44 | 400 | 0.00% |
| 2026-04-14 | 10.46 | 10.46 | 10.44 | 10.44 | 454 | +0.10% |
| 2026-04-13 | 10.44 | 10.44 | 10.43 | 10.43 | 10K | 0.00% |
| 2026-04-10 | 10.41 | 10.43 | 10.41 | 10.43 | 1K | +0.10% |
| 2026-04-07 | 10.42 | 10.42 | 10.41 | 10.42 | 25K | -0.38% |
| 2026-04-06 | 10.41 | 10.46 | 10.41 | 10.46 | 1 | +0.38% |
| 2026-04-02 | 10.42 | 10.42 | 10.42 | 10.42 | 2 | -0.29% |
| 2026-04-01 | 10.41 | 10.45 | 10.41 | 10.45 | 0 | -0.10% |
| 2026-03-31 | 10.46 | 10.46 | 10.41 | 10.46 | 4 | +0.48% |
| 2026-03-30 | 10.41 | 10.41 | 10.41 | 10.41 | 6 | 0.00% |
| 2026-03-27 | 10.41 | 10.46 | 10.41 | 10.41 | 132 | 0.00% |
| 2026-03-26 | 10.46 | 10.46 | 10.41 | 10.41 | 27K | 0.00% |
| 2026-03-25 | 10.44 | 10.44 | 10.41 | 10.41 | 1K | -0.38% |
| 2026-03-24 | 10.44 | 10.45 | 10.42 | 10.45 | 475 | +0.29% |
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Start ComparisonATII — Frequently Asked Questions
Quick answers to the most common questions about buying ATII stock.
How has ATII stock performed recently?
ATII returned +7.4% over the past year, beating its 5-year annualized CAGR of +1.6%. The stock trades above its 200-day moving average, confirming the uptrend.
What is ATII's all-time high price?
Archimedes Tech SPAC Partners II Co. Ordinary Shares reached $10.89 on 2026-05-06. The 52-week high is $10.89. Current 1-year return of +7.4% places the stock closer to historical peaks.
Where can I download ATII historical price data?
This page provides ATII daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2025-2026, downloadable in CSV format.