$GDC — Trading Halt History & Cascade Pattern
Permanent overview of every GDC halt: pattern fingerprint, cascade tendency, and prediction-vs-actual record.
DNA Profile
Cascade tendency(H2+ vs H1)
250%
First halt Jan 10, 2023 · Last halt Mar 20, 2026
Hero patterns this ticker matches
Halt History (41–60 of 62)
Date
Time
H#
Halt $
Reopen $
Gap
Dir
Predicted Cascade
Actual
May 2, 2023
10:12 AM
#7
$10.15
$11.15
+9.8%
UP
B91.0%
→ H8 ✓
May 2, 2023
10:06 AM
#6
$9.23
$9.23
0.0%
FLAT
—
→ H7
May 2, 2023
10:01 AM
#5
$9.80
$10.25
+4.6%
UP
B86.8%
→ H6 ✓
May 2, 2023
9:56 AM
#4
$9.00
$8.91
-1.0%
DOWN
C87.5%
→ H5 ✓
May 2, 2023
9:45 AM
#3
$10.80
$10.00
-7.4%
DOWN
B77.8%
→ H4 ✓
May 2, 2023
9:35 AM
#2
$13.50
$12.00
-11.1%
DOWN
B71.9%
→ H3 ✓
May 2, 2023
9:30 AM
#1
$15.32
$15.00
-2.1%
DOWN
B42.2%
→ H2 ✗
May 1, 2023
3:31 PM
#8
$32.40
$31.00
-4.3%
DOWN
B47.3%
no cascade ✓
May 1, 2023
2:25 PM
#7
$23.58
$27.00
+14.5%
UP
C89.7%
→ H8 ✓
May 1, 2023
12:16 PM
#6
$17.14
$17.60
+2.7%
UP
B90.3%
→ H7 ✓
May 1, 2023
12:03 PM
#5
$16.74
$17.57
+5.0%
UP
B90.3%
→ H6 ✓
May 1, 2023
11:57 AM
#4
$15.77
$14.98
-5.0%
DOWN
B80.0%
→ H5 ✓
May 1, 2023
11:22 AM
#3
$8.19
$11.06
+35.0%
UP
C100.0%
→ H4 ✓
May 1, 2023
11:03 AM
#2
$7.68
$7.42
-3.4%
DOWN
B50.8%
→ H3 ✓
May 1, 2023
10:52 AM
#1
$5.63
$6.40
+13.7%
UP
B48.0%
→ H2 ✗
Feb 7, 2023
10:24 AM
#1
$5.37
$5.63
+4.8%
UP
B50.5%
no cascade ✗
Jan 19, 2023
12:05 PM
#2
$3.70
$3.82
+3.2%
UP
B61.4%
no cascade ✗
Jan 19, 2023
11:57 AM
#1
$3.63
$3.30
-9.1%
DOWN
B38.7%
→ H2 ✗
Jan 12, 2023
11:59 AM
#2
$3.68
$3.53
-4.1%
DOWN
B53.1%
no cascade ✗
Jan 12, 2023
11:48 AM
#1
$3.93
$3.95
+0.5%
UP
B37.6%
→ H2 ✗
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Data sourced from NASDAQ official halt feeds. Pattern matching against the HaltPredict 71k-halt library.