diff --git a/catalyst/utils/calendars/exchange_calendar_open.py b/catalyst/utils/calendars/exchange_calendar_open.py
index 1dbc8cd3..68c385f5 100644
--- a/catalyst/utils/calendars/exchange_calendar_open.py
+++ b/catalyst/utils/calendars/exchange_calendar_open.py
@@ -31,4 +31,4 @@ class OpenExchangeCalendar(TradingCalendar):
         return DateOffset(days=1)
 
     def __init__(self, *args, **kwargs):
-        super(OpenExchangeCalendar, self).__init__(start=Timestamp('2015-03-01', tz='UTC'), **kwargs)
+        super(OpenExchangeCalendar, self).__init__(start=Timestamp('2015-02-19', tz='UTC'), **kwargs)