1 files changed, 10 insertions, 0 deletions
diff --git a/python/analytics/utils.py b/python/analytics/utils.py
index c1da64b7..89e2f4a7 100644
--- a/python/analytics/utils.py
+++ b/python/analytics/utils.py
@@ -75,6 +75,16 @@ def next_third_wed(d):
 def prev_business_day(d: datetime.date):
     if (offset := d.weekday() - 4) > 0:
         return d - datetime.timedelta(days=offset)
+    elif offset == -4:
+        return d - datetime.timedelta(days=3)
+    else:
+        return d - datetime.timedelta(days=1)
+
+
+def adjust_prev_business_day(d: datetime.date):
+    """ roll to the previous business day"""
+    if (offset := d.weekday() - 4) > 0:
+        return d - datetime.timedelta(days=offset)
     else:
         return d