$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 (61–80 of 87)
Date
Time
H#
Halt $
Reopen $
Gap
Dir
Predicted Cascade
Actual
May 3, 2023
10:00 AM
#3
$6.96
$6.50
-6.6%
DOWN
B63.0%
→ H4 ✓
May 3, 2023
9:54 AM
#2
$7.72
$7.73
+0.1%
UP
B66.7%
→ H3 ✓
May 3, 2023
9:33 AM
#1
$5.61
$7.00
+24.8%
UP
B64.7%
→ H2 ✓
May 2, 2023
3:58 PM
#9
$3.21
—
—
—
—
—
May 2, 2023
10:29 AM
#8
$8.64
$8.57
-0.8%
DOWN
B87.2%
→ H9 ✓
May 2, 2023
10:12 AM
#7
$10.15
$11.15
+9.8%
UP
B92.5%
→ 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
C85.7%
→ 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
B73.0%
→ H3 ✓
May 2, 2023
9:30 AM
#1
$15.32
$15.00
-2.1%
DOWN
B42.1%
→ 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
B77.5%
→ H5 ✓
May 1, 2023
11:22 AM
#3
$8.19
$11.06
+35.0%
UP
C85.7%
→ 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
B47.4%
→ H2 ✗
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Data sourced from NASDAQ official halt feeds. Pattern matching against the HaltPredict 71k-halt library.