$SPRO — Trading Halt History & Cascade Pattern
Permanent overview of every SPRO halt: pattern fingerprint, cascade tendency, and prediction-vs-actual record.
DNA Profile
Cascade tendency(H2+ vs H1)
11%
First halt May 3, 2022 · Last halt May 28, 2025
Hero patterns this ticker matches
Halt History (1–12 of 12)
Date
Time
H#
Halt $
Reopen $
Gap
Dir
Predicted Cascade
Actual
May 28, 2025
12:07 PM
#1
$2.10
$2.05
-2.4%
DOWN
B34.8%
no cascade ✓
May 28, 2025
11:18 AM
#1
$2.26
$2.29
+1.1%
UP
B37.4%
→ H2 ✗
May 28, 2025
10:54 AM
#1
$2.35
$2.43
+3.4%
DOWN
B39.1%
→ H2 ✗
May 28, 2025
10:46 AM
#1
$2.17
$2.22
+2.3%
UP
B37.4%
→ H2 ✗
May 28, 2025
9:46 AM
#1
$2.17
$2.11
-2.8%
DOWN
B42.7%
→ H2 ✗
May 28, 2025
9:38 AM
#1
$2.16
$2.06
-4.9%
DOWN
B42.7%
→ H2 ✗
May 28, 2025
9:33 AM
#1
$2.24
$2.10
-6.3%
DOWN
B41.3%
→ H2 ✗
Sep 6, 2022
2:28 PM
#1
$1.43
$1.37
-4.2%
DOWN
C41.7%
no cascade ✓
May 3, 2022
9:56 AM
#3
$1.97
$1.97
0.0%
FLAT
—
no cascade
May 3, 2022
9:43 AM
#2
$2.30
$2.25
-2.2%
DOWN
B64.4%
→ H3 ✓
May 3, 2022
9:37 AM
#1
$1.93
$2.00
+3.6%
UP
B84.5%
→ H2 ✓
Feb 5, 2021
12:21 PM
#1
$—
—
—
—
—
—
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Data sourced from NASDAQ official halt feeds. Pattern matching against the HaltPredict 71k-halt library.