ALP halted on Sep 10 2026 at $4.30
ALP-20.6%on Thu Sep 10 2026
Alpha Compute Corp Common Stock was down 20.6% on the day at $4.30, ranked #5 on 23.9× its usual five-minute volume, when TapeRank recorded this trading halt at 12:23 ET during regular hours when it was halted. TapeRank recorded 2 events for ALP that day, between 12:23 and 12:25 ET, and each is in the timeline below.
THE DAY ON THE LIST · 2 EVENTS
- 12:23 ETHALT · REGULAR
HALTED AT $4.30 · ▼ 20.6% ON THE DAY · 23.9× 5M RVOL · RANK #5
UNEXPLAINEDNO FILINGS · RULEALP is down 20.6% on the day on 21.7x its normal volume for this time of day, and trading is halted under code LUDP. No filings or headlines were found in SEC EDGAR filings in the last 24 hours, so this is order flow rather than a disclosed catalyst.
WHYNo filings or headlines within 24 hours of the move.ANALYZED 12:25 ET · <1 MIN AGO · RULE, NO MODELTHE ROW AND SESSION LEVELS AT 12:23 ET
LAST4.30DAY▼ 20.6%5 MIN▲ 11.83%5M RVOL23.9×5M $VOL$119KFLOAT*77.5MRANK#5SESSIONREGULARVWAP4.28HOD5.16LOD3.72OR HIGH—OR LOW—PREV CLOSE5.41PM HIGH—PM LOW—GAP▼ 4.69%* FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE
— MEANS THE LEVEL DID NOT EXIST YET AT THAT INSTANT, NOT ZERO
- 12:25 ETUNEXPLAINED MOVE · REGULAR
$4.30 · ▼ 20.6% ON THE DAY · 21.7× 5M RVOL · RANK #6
The same verdict as at 12:23 ET.
THE ROW AND SESSION LEVELS AT 12:25 ET
LAST4.30DAY▼ 20.6%5 MIN▲ 12.86%5M RVOL21.7×5M $VOL$108KFLOAT*77.5MRANK#6SESSIONREGULARVWAP4.28HOD5.16LOD3.72OR HIGH—OR LOW—PREV CLOSE5.41PM HIGH—PM LOW—GAP▼ 4.69%* FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE
— MEANS THE LEVEL DID NOT EXIST YET AT THAT INSTANT, NOT ZERO
THE SESSION
- 09:30 ETOpened at $5.16, -4.7% on the previous close of $5.41
- 09:30 ETRegular-session high, $5.16
- 12:22 ETHalted (LUDP); resumed 12:27 ET, after 5 minutes
- 13:22 ETRegular-session low, $3.60
- 15:59 ETLast trade of the regular session, $3.71, -31.5% on the previous close of $5.41
- Volume: 547K shares in regular hours, 7K before the open
Alpha Compute Corp opened at $5.16, already 4.7% below the prior close of $5.41, then slid through the morning to a LULD halt at 12:22 ET, recorded by TapeRank at $4.30, down 20.6% on the day and the session's largest move, with trading resuming five minutes later; TapeRank found no filings or headlines in the 24 hours around the halt, so the decline was logged as unexplained. Shares continued lower, bottoming at $3.60 at 13:22 ET before closing the regular session at $3.71, down 31.5% on the day.
WRITTEN THU OCT 15 2026 17:45 ET BY ANTHROPIC/CLAUDE-SONNET-5 FROM THE FACTS ON THIS PAGE
FILINGS · 24H BEFORE THE MOVE
No SEC filings in the 24 hours before this was recorded. A move on an unfiled press release shows nothing here, which is what UNEXPLAINED means.
On the tape right now
WHERE THE LIST STOODWED NOV 4 2026 · 13:49 ETRECORDED LIVE · 742 QUALIFY
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