$ECDA — Trading Halt History & Cascade Pattern

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

DNA Profile

Total halts
3
Halt days
2
Cascade tendency(H2+ vs H1)
50%
Avg cascade P
53.4%
Avg gap
8.8%
Typical tier
B

First halt Apr 8, 2025 · Last halt Oct 8, 2025

Total Halts

5

Sessions

4

UP Rate

50%

Avg Gap

8.2%

Cascade Rate

0%

Avg H#/Session

1.3

Most Common H#

#1

Gap % — Last 4 Halts

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

Oct 8, 2025
11:11 AM
#2
$20.95
$20.00
-4.5%
DOWN
C—
no cascade 

Oct 8, 2025
10:55 AM
#1
$23.20
$22.50
-3.0%
UP
C—
→ H2 

Sep 18, 2025
9:36 AM
#1
$20.70
$22.00
+6.3%
FLAT
—
no cascade 

Apr 8, 2025
9:35 AM
#1
$122.82
$146.00
+18.9%
UP
C—
no cascade 

Jan 2, 2024
10:23 AM
#1
$—
$1.01
—
—
—
no cascade 

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.