Stock listing
BOATS:ATII Archimedes Tech SPAC Partners II Co. Stock
US listing (BOATS) of Archimedes Tech SPAC Partners II Co. · home listing NASDAQ:ATII
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Home listing price · NASDAQ:ATII
$7.17 USD -1.38 (-16.1%)
Close on Oct 20, 2026 · This listing has no price on 6ix; the price shown is the home listing's, NASDAQ:ATII
- Day range
- $6.73 – $8.88 USDOct 20, 2026
- Volume
- 92,942 sharesOct 20, 2026
- Market cap
- $212.2M USDAt the close on Oct 20, 2026 · price × 29.59M shares outstanding

Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:ATII · Home | $7.17 USD | -1.375 (-16.1%) | 92,942 | $8.45 | $8.88 | $6.725 | $8.545 | Close on Oct 20, 2026 |
| NASDAQ:ATIIU | $9.01 USD | 0.00 (0.0%) | — | $9.01 | $9.01 | $9.01 | $9.01 | Close on Oct 19, 2026 |
Daily closes
Last 3 months, Jul 20, 2026 – Oct 20, 2026 · NASDAQ:ATII · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $7.17 | -1.375 | -16.1% | $8.45 | $8.88 | $6.725 | 92,942 | |
| $8.545 | -0.745 | -8.0% | $9.27 | $9.31 | $8.41 | 43,722 | |
| $9.29 | +0.43 | +4.9% | $9.37 | $9.76 | $8.94 | 17,331 | |
| $8.86 | -1.20 | -11.9% | $9.94 | $9.99 | $7.59 | 99,708 | |
| $10.06 | -0.65 | -6.1% | $10.60 | $10.70 | $8.758 | 64,603 | |
| $10.71 | +0.01 | +0.1% | $10.69 | $10.74 | $10.63 | 555,977 | |
| $10.70 | +0.01 | +0.1% | $10.69 | $10.70 | $10.66 | 416,928 | |
| $10.69 | -0.01 | -0.1% | $10.70 | $10.70 | $10.69 | 883,193 | |
| $10.70 | 0.00 | 0.0% | $10.69 | $10.70 | $10.68 | 469,725 | |
| $10.70 | 0.00 | 0.0% | $10.70 | $10.70 | $10.69 | 745,406 | |
| $10.70 | 0.00 | 0.0% | $10.70 | $10.71 | $10.69 | 53,000 | |
| $10.70 | +0.02 | +0.2% | $10.71 | $10.71 | $10.69 | 90,600 | |
| $10.68 | -0.01 | -0.1% | $10.70 | $10.70 | $10.68 | 57,400 | |
| $10.69 | +0.01 | +0.1% | $10.69 | $10.70 | $10.68 | 28,300 | |
| $10.68 | -0.01 | -0.1% | $10.69 | $10.70 | $10.68 | 724,300 | |
| $10.69 | +0.005 | 0.0% | $10.69 | $10.69 | $10.67 | 792,800 | |
| $10.69 | -0.005 | 0.0% | $10.68 | $10.69 | $10.67 | 317,700 | |
| $10.69 | +0.005 | 0.0% | $10.69 | $10.70 | $10.68 | 158,700 | |
| $10.69 | +0.005 | 0.0% | $10.70 | $10.72 | $10.68 | 2,118,200 | |
| $10.68 | -0.02 | -0.2% | $10.70 | $10.71 | $10.68 | 85,800 | |
| $10.70 | +0.015 | +0.1% | $10.69 | $10.70 | $10.68 | 144,900 | |
| $10.69 | +0.015 | +0.1% | $10.67 | $10.69 | $10.67 | 143,000 | |
| $10.67 | +0.005 | 0.0% | $10.67 | $10.68 | $10.65 | 1,817,900 | |
| $10.67 | +0.005 | 0.0% | $10.66 | $10.68 | $10.66 | 13,400 | |
| $10.66 | 0.00 | 0.0% | $10.67 | $10.67 | $10.66 | 142,600 | |
| $10.66 | -0.005 | 0.0% | $10.67 | $10.67 | $10.65 | 518,000 | |
| $10.67 | +0.025 | +0.2% | $10.64 | $10.67 | $10.64 | 191,400 | |
| $10.64 | -0.01 | -0.1% | $10.68 | $10.68 | $10.64 | 54,600 | |
| $10.65 | -0.01 | -0.1% | $10.65 | $10.67 | $10.65 | 26,500 | |
| $10.66 | +0.01 | +0.1% | $10.65 | $10.66 | $10.64 | 381,400 | |
| $10.65 | 0.00 | 0.0% | $10.66 | $10.67 | $10.65 | 59,200 | |
| $10.65 | +0.01 | +0.1% | $10.64 | $10.66 | $10.64 | 9,000 | |
| $10.64 | -0.02 | -0.2% | $10.67 | $10.67 | $10.64 | 87,700 | |
| $10.66 | +0.01 | +0.1% | $10.71 | $10.71 | $10.65 | 123,400 | |
| $10.65 | -0.04 | -0.4% | $10.70 | $10.70 | $10.64 | 57,600 | |
| $10.69 | +0.02 | +0.2% | $10.67 | $10.70 | $10.64 | 178,800 | |
| $10.67 | 0.00 | 0.0% | $10.70 | $10.70 | $10.63 | 316,900 | |
| $10.67 | +0.01 | +0.1% | $10.67 | $10.73 | $10.64 | 328,800 | |
| $10.66 | +0.01 | +0.1% | $10.68 | $10.71 | $10.65 | 20,600 | |
| $10.65 | 0.00 | 0.0% | $10.68 | $10.68 | $10.65 | 32,251 | |
| $10.65 | -0.035 | -0.3% | $10.70 | $10.71 | $10.65 | 53,877 | |
| $10.69 | +0.055 | +0.5% | $10.64 | $10.71 | $10.62 | 367,900 | |
| $10.63 | +0.01 | +0.1% | $10.62 | $10.64 | $10.62 | 141,200 | |
| $10.62 | 0.00 | 0.0% | $10.62 | $10.63 | $10.62 | 74,500 | |
| $10.62 | -0.02 | -0.2% | $10.65 | $10.66 | $10.62 | 224,600 | |
| $10.64 | 0.00 | 0.0% | $10.65 | $10.66 | $10.64 | 98,300 | |
| $10.64 | -0.02 | -0.2% | $10.65 | $10.69 | $10.64 | 62,400 | |
| $10.66 | +0.02 | +0.2% | $10.65 | $10.67 | $10.64 | 81,200 | |
| $10.64 | -0.01 | -0.1% | $10.70 | $10.70 | $10.64 | 40,000 | |
| $10.65 | 0.00 | 0.0% | $10.69 | $10.69 | $10.64 | 23,200 | |
| $10.65 | -0.04 | -0.4% | $10.69 | $10.71 | $10.64 | 120,600 | |
| $10.69 | -0.03 | -0.3% | $10.71 | $10.72 | $10.64 | 132,000 | |
| $10.72 | -0.01 | -0.1% | $10.73 | $10.74 | $10.71 | 13,200 | |
| $10.73 | +0.03 | +0.3% | $10.66 | $10.80 | $10.66 | 137,800 | |
| $10.70 | +0.05 | +0.5% | $10.67 | $10.86 | $10.66 | 276,200 | |
| $10.65 | 0.00 | 0.0% | $10.65 | $10.68 | $10.58 | 344,100 | |
| $10.65 | 0.00 | 0.0% | $10.71 | $10.71 | $10.64 | 89,500 | |
| $10.65 | 0.00 | 0.0% | $10.68 | $10.71 | $10.64 | 175,300 | |
| $10.65 | -0.03 | -0.3% | $10.72 | $10.72 | $10.62 | 432,200 | |
| $10.68 | 0.00 | 0.0% | $10.64 | $10.75 | $10.64 | 291,900 | |
| $10.68 | -0.005 | 0.0% | $10.64 | $10.70 | $10.64 | 192,800 | |
| $10.69 | -0.015 | -0.1% | $10.66 | $10.74 | $10.60 | 318,000 | |
| $10.70 | +0.02 | +0.2% | $10.66 | $10.72 | $10.66 | 385,100 | |
| $10.68 | -0.02 | -0.2% | $10.70 | $10.70 | $10.66 | 81,900 | |
| $10.70 | -0.01 | -0.1% | $10.74 | $10.74 | $10.67 | 128,800 | |
| $10.71 | 0.00 | 0.0% | $10.71 | $10.72 | $10.68 | 121,200 |
- Ticker
- BOATS:ATII
- Asset type
- Stock
- Sector
- Financials
- Industry
- Shell companies & SPACs
- Exchange
- BOATS
- Currency
- USD
What changed lately
Latest news release · Oct 16, 2026
Archimedes Tech SPAC Partners II Co. Announces Shareholder Approval of Proposed Business Combination with Forge Nano, Inc.
Latest deck · Apr 20, 2026
SPAC Merger (April 2026)
SPAC merger · 45 slides
Latest news
Archimedes Tech SPAC Partners II Co. Announces Shareholder Approval of Proposed Business Combination with Forge Nano, Inc.
Oct 16, 2026
Closed $8.55 (-8.0%) on Oct 19, 2026
Archimedes Tech SPAC Partners II Co. Announces Effectiveness of Registration Statement and Date for Extraordinary General Meeting to Approve Proposed Business Combination with Forge Nano, Inc.
Sep 24, 2026
Closed $10.69 (0.0%) on Sep 25, 2026
Archimedes Tech SPAC Partners II Co. Announces Filing of Third Amendment to Registration Statement on Form S-4 with the SEC
Sep 2, 2026
Closed $10.64 (-0.2%) on Sep 3, 2026
Decks
SPAC Merger (April 2026)
SPAC merger · 45 slides · Apr 20, 2026
Archimedes Tech SPAC Partners II Co. on 6ix
- Sector
- Financials
- Industry
- Shell companies & SPACs
- News releases
- 6 in the last 12 months · 6 in all · newest Oct 16, 2026 · oldest 2026
- Decks
- 1 deck · latest Apr 20, 2026
Where Archimedes Tech SPAC Partners II Co. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:ATII · Home listing | NASDAQ | United States | USD |
| BOATS:ATII · This page | BOATS | United States | USD |
| NASDAQ:ATIIU | NASDAQ | United States | USD |
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