diff --git a/iqfeed/iqfeed.py b/iqfeed/iqfeed.py
index 32dfd60..7f3869a 100644
--- a/iqfeed/iqfeed.py
+++ b/iqfeed/iqfeed.py
@@ -8,7 +8,9 @@ from os import getenv
 
 load_dotenv()
 
-columns = ['Date', 'High', 'Low', 'Open', 'Close', 'Total Volume', 'Period Volume']
+daily_columns = ['Date', 'Open', 'High', 'Low', 'Close', 'Volume']
+intraday_columns = ['Date', 'Time', 'Open', 'High', 'Low', 'Close', 'Volume']
+iqfeed_columns = ['Date', 'High', 'Low', 'Open', 'Close', 'Total Volume', 'Period Volume']
 
 def read_data_from_socket(sock, recv_buffer = 4096):
     buffer = b''