$GDTC — Trading Halt History & Cascade Pattern
Permanent overview of every GDTC halt: pattern fingerprint, cascade tendency, and prediction-vs-actual record.
DNA Profile
Cascade tendency(H2+ vs H1)
67%
First halt May 9, 2023 · Last halt Nov 6, 2025
Hero patterns this ticker matches
Halt History (1–6 of 6)
Date
Time
H#
Halt $
Reopen $
Gap
Dir
Predicted Cascade
Actual
Nov 6, 2025
9:40 AM
#1
$2.15
$2.03
-5.6%
DOWN
B41.3%
no cascade ✓
Jan 6, 2025
9:34 AM
#1
$3.46
$3.46
0.0%
FLAT
—
no cascade
Feb 7, 2024
9:53 AM
#2
$1.92
$2.10
+9.4%
UP
B86.5%
no cascade ✗
Feb 7, 2024
9:47 AM
#1
$2.03
$1.92
-5.4%
DOWN
B41.3%
→ H2 ✗
May 9, 2023
10:20 AM
#2
$4.10
$4.02
-1.9%
DOWN
B54.7%
no cascade ✗
May 9, 2023
10:07 AM
#1
$4.30
$4.65
+8.1%
UP
B34.9%
→ H2 ✗
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Data sourced from NASDAQ official halt feeds. Pattern matching against the HaltPredict 71k-halt library.