Archimedes Tech SPAC Partners II Co. Ordinary Shares (ATII) Stock Price History
Historical prices from 2025 to 2026
- 1M
- -2.6%
- 3M
- +4.6%
- YTD
- +5.3%
- 1Y
- +6.7%
- 3Y
- +3.0%
- 5Y
- +1.8%
Loading 10-year price history...
ATII Historical Performance
ATII Annual Returns
Year-by-year price performance · 2025–2026
- 2025 annual price return
- +3.9%
- 2026 annual price return
- +1.7%
ATII Stock Price Trajectory (2025–2026)
As of July 6, 2026, Archimedes Tech SPAC Partners II Co. Ordinary Shares (ATII) trades at $10.90, representing a +6.7% return over the past year. The stock has delivered a +9.3% total return over five years (+1.8% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $11.40 on May 22, 2026. From this peak, ATII has corrected -4.4%, currently trading 3% above its 200-day moving average, indicating continued institutional support.
When compared to Financial Services sector peers ACIC (+6.2% 1Y), TPVG (-30.0% 1Y), and GS (+42.6% 1Y), ATII has underperformed the peer group average. Compare ATII vs ACIC →
ATII Historical Price Data · from 2025
Rows 1–50 of 310| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-07-02 | 10.87 | 10.95 | 10.86 | 10.90 | 62K | +0.37% |
| 2026-07-01 | 10.81 | 10.94 | 10.81 | 10.86 | 675K | +0.74% |
| 2026-06-30 | 10.83 | 10.83 | 10.76 | 10.78 | 320K | -0.28% |
| 2026-06-29 | 10.88 | 10.88 | 10.80 | 10.81 | 530K | -0.09% |
| 2026-06-26 | 10.83 | 10.89 | 10.82 | 10.82 | 0 | -0.28% |
| 2026-06-25 | 10.83 | 10.90 | 10.79 | 10.85 | 271K | +0.74% |
| 2026-06-24 | 10.85 | 10.99 | 10.76 | 10.77 | 190K | -1.28% |
| 2026-06-23 | 10.86 | 10.96 | 10.86 | 10.91 | 68K | -0.18% |
| 2026-06-22 | 11.06 | 11.06 | 10.90 | 10.93 | 97K | -0.27% |
| 2026-06-18 | 10.91 | 11.01 | 10.91 | 10.96 | 118K | -0.36% |
| 2026-06-17 | 10.90 | 11.12 | 10.87 | 11.00 | 214K | +0.18% |
| 2026-06-16 | 11.00 | 11.15 | 10.90 | 10.98 | 141K | 0.00% |
| 2026-06-15 | 11.01 | 11.03 | 10.94 | 10.98 | 125K | 0.00% |
| 2026-06-12 | 10.92 | 11.00 | 10.91 | 10.98 | 161K | +0.09% |
| 2026-06-11 | 10.91 | 11.00 | 10.90 | 10.97 | 164K | +0.55% |
| 2026-06-10 | 11.00 | 11.00 | 10.90 | 10.91 | 154K | -0.82% |
| 2026-06-09 | 11.14 | 11.20 | 10.90 | 11.00 | 219K | -0.18% |
| 2026-06-08 | 11.01 | 11.13 | 10.95 | 11.02 | 473K | +0.18% |
| 2026-06-05 | 11.35 | 11.35 | 10.88 | 11.00 | 443K | -2.40% |
| 2026-06-04 | 11.31 | 11.34 | 11.16 | 11.27 | 131K | -0.18% |
| 2026-06-03 | 11.20 | 11.37 | 11.13 | 11.29 | 409K | +0.89% |
| 2026-06-02 | 11.18 | 11.24 | 11.05 | 11.19 | 275K | -0.27% |
| 2026-06-01 | 11.26 | 11.38 | 11.20 | 11.22 | 584K | 0.00% |
| 2026-05-29 | 11.21 | 11.39 | 11.06 | 11.22 | 495K | +0.18% |
| 2026-05-28 | 11.34 | 11.39 | 11.11 | 11.20 | 233K | -0.53% |
| 2026-05-27 | 11.26 | 11.34 | 11.10 | 11.26 | 397K | -0.62% |
| 2026-05-26 | 11.35 | 11.39 | 11.26 | 11.33 | 242K | -0.44% |
| 2026-05-22 | 11.25 | 11.40 | 11.14 | 11.38 | 0 | +1.61% |
| 2026-05-21 | 11.27 | 11.33 | 11.17 | 11.20 | 175K | -0.27% |
| 2026-05-20 | 11.04 | 11.37 | 11.00 | 11.23 | 884K | +1.54% |
| 2026-05-19 | 11.03 | 11.15 | 10.92 | 11.06 | 594K | +0.27% |
| 2026-05-18 | 11.09 | 11.12 | 11.03 | 11.03 | 296K | +0.91% |
| 2026-05-15 | 10.90 | 11.07 | 10.84 | 10.93 | 762K | +0.28% |
| 2026-05-14 | 10.85 | 10.95 | 10.80 | 10.90 | 214K | +0.41% |
| 2026-05-13 | 10.80 | 10.90 | 10.75 | 10.86 | 285K | +0.88% |
| 2026-05-12 | 10.82 | 10.86 | 10.70 | 10.76 | 141K | -0.83% |
| 2026-05-11 | 10.80 | 10.90 | 10.79 | 10.85 | 149K | +0.46% |
| 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% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
ATII — Frequently Asked Questions
Quick answers to the most common questions about buying ATII stock.
How has ATII stock performed recently?
ATII returned +6.7% over the past year, beating its 5-year annualized CAGR of +1.8%. 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 $11.40 on 2026-05-22. The 52-week high is $11.40. Current 1-year return of +6.7% 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.