$IPDN — Trading Halt History & Cascade Pattern
Permanent overview of every IPDN halt: pattern fingerprint, cascade tendency, and prediction-vs-actual record.
DNA Profile
Cascade tendency(H2+ vs H1)
43%
First halt Apr 9, 2025 · Last halt Oct 30, 2025
Halt History (21–29 of 29)
Date
Time
H#
Halt $
Reopen $
Gap
Dir
Predicted Cascade
Actual
Apr 11, 2023
10:04 AM
#2
$42.30
$4.37
—
—
—
→ H3
Apr 11, 2023
9:47 AM
#1
$60.40
$6.05
—
—
—
→ H2
Mar 31, 2023
10:50 AM
#1
$32.30
$3.19
—
—
—
no cascade
Mar 18, 2021
10:01 AM
#1
$—
$4.37
—
—
—
no cascade
Dec 30, 2020
10:17 AM
#3
$—
—
—
—
—
—
Dec 30, 2020
10:11 AM
#2
$—
—
—
—
—
—
Dec 30, 2020
10:04 AM
#1
$—
—
—
—
—
—
Sep 25, 2020
3:32 PM
#1
$—
—
—
—
—
—
Jun 29, 2020
2:29 PM
#1
$—
—
—
—
—
—
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Data sourced from NASDAQ official halt feeds. Pattern matching against the HaltPredict 71k-halt library.