EDTUTC-4 New YorkLog in Sign up

ATII
Archimedes Tech SPAC Partners II Co.
stockNASDAQ

At CloseOct 21, 2026 3:59:30 PM EDT

9.86USD+39.660%(+2.80)213,498

Pre-marketOct 21, 2026 8:25:30 AM EDT

7.60USD+7.649%(+0.54)

After-hoursOct 21, 2026 4:49:30 PM EDT

9.57USD-2.941%(-0.29)

8.5100Bid11.86Ask3.3500Spread

Loading…

Loading…

294.42M

Previous Close

$7.17

Beta

0.06

52-Week High

$11.40 2026-05-28

52-Week Low

$6.63 2026-10-20

SMA 50

$10.48

SMA 200

$10.63

Avg. Vol 10D

340,179

Avg. Vol 30D

375,538

Avg. Vol 90D

241,326

Relative Vol

0.52

29.59M

23.31M

78.78%

17,604

Short Interest %

0.08%

1.00

On/Off Exchange

34%/66%

49.18%

Short Vol % (off-exch)

29.52%

9.8700%

0

358

2,920

5,337

Net Income (TTM)

-130.6M

Oct 16, 2026

05:10 PM EDTArchimedes Tech SPAC Partners II Co. Announces Shareholder Approval of Proposed Business Combination with Forge Nano, Inc. ·

GlobeNewswire Inc.

Sep 24, 2026

04:30 PM EDTArchimedes 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. ·

GlobeNewswire Inc.

ATII Performance

Period	Price	Date	Change	Beta
1W	10.06	2026-10-14	-1.09%	-11.310
1M	10.69	2026-09-21	-6.88%	-1.914
3M	10.70	2026-07-21	-7.01%	-0.253
6M	10.61	2026-04-21	-6.22%	0.106
1Y	10.35	2025-10-21	-3.87%	0.060
2Y	9.97	2025-04-03	-0.20%	—

ATII Stock Summary

Archimedes Tech SPAC Partners II Co. (NASDAQ:ATII) stock price today is $9.95, and today's volume is 193,428. ATII is up 38.773% today. The 30 day average volume is 375,538. ATII market cap is $294.42M with 29.59M shares outstanding.