$ALPN — Trading Halt History & Cascade Pattern

Permanent overview of every ALPN halt: pattern fingerprint, cascade tendency, and prediction-vs-actual record.

DNA Profile

Total halts
1
Halt days
1
Cascade tendency(H2+ vs H1)
0%
Avg cascade P
30.3%
Avg gap
4.2%
Typical tier
B

First halt Apr 10, 2024 · Last halt Apr 10, 2024

Total Halts

8

Sessions

6

UP Rate

100%

Avg Gap

4.2%

Cascade Rate

17%

Avg H#/Session

1.3

Most Common H#

#1

Halt History (1–8 of 8)

Date
Time
H#
Halt $
Reopen $
Gap
Dir
Predicted Cascade
Actual

Apr 10, 2024
12:33 PM
#1
$41.74
$43.50
+4.2%
UP
B20.3%
no cascade ✓

Jun 18, 2020
9:44 AM
#3
$—
—
—
—
—
— 

Jun 18, 2020
9:37 AM
#2
$—
—
—
—
—
— 

Jun 18, 2020
9:31 AM
#1
$—
—
—
—
—
— 

Jun 15, 2020
1:12 PM
#1
$—
—
—
—
—
— 

May 18, 2020
9:35 AM
#1
$—
—
—
—
—
— 

Apr 16, 2020
1:15 PM
#1
$—
—
—
—
—
— 

Aug 27, 2019
9:45 AM
#1
$—
—
—
—
—
— 

Tickers with the closest cascade tendency, average cascade probability, and gap profile.

NOEMU

AKAN

-0.8%

ATER

-16.2%

ATER

-9.4%

ATER

+20.6%

ATER

+44.1%

Data sourced from NASDAQ official halt feeds. Pattern matching against the HaltPredict 71k-halt library.