"Event Id"|"Underlying"|"Symbol"|"Exchange"|"Type"|"Start Datetime"|"End Datetime"|"Average Bid Size"|"Average Ask Size"|"Average Spread"
"201812040700004"|"LEAF"|"LEAF_181221C10."|"ARCA"|"Limit"|"12/04/18 14:42:21.000"|"12/04/18 14:42:34.000"|2|1|4.97
"201812061100001"|"TROX"|"TROX_190215P9."|"ARCA"|"Straddle"|"12/06/18 10:20:47.000"|"12/06/18 10:20:47.000"|221|32|0.81
"201812061100002"|"TROX"|"TROX_190215P9."|"ARCA"|"Straddle"|"12/06/18 10:20:47.000"|"12/06/18 10:20:47.000"|221|32|0.81
"201812061100003"|"TROX"|"TROX_190215P9."|"ARCA"|"Limit"|"12/06/18 10:20:47.000"|"12/06/18 10:20:48.000"|202|33|1.03
"201812113000001"|"CDMO"|"CDMO_181221C5."|"ARCA"|"Straddle"|"12/11/18 09:30:01.000"|"12/11/18 09:30:01.000"|0|2|2.48
"201812243200374"|"GALT"|"GALT_190118C4."|"ARCA"|"Straddle"|"12/24/18 10:13:33.000"|"12/24/18 10:13:39.000"|0|3|0.70
"201812280400001"|"EB"|"EB_190118P30."|"ARCA"|"Straddle"|"12/28/18 11:13:38.000"|"12/28/18 11:13:38.000"|0|2|4.92
"201812280400001"|"EB"|"EB_190118C22.5"|"ARCA"|"Straddle"|"12/28/18 11:13:38.000"|"12/28/18 11:13:38.000"|1|1|5.14
"201812280400002"|"EB"|"EB_190118C22.5"|"ARCA"|"Straddle"|"12/28/18 11:13:38.000"|"12/28/18 11:13:38.000"|1|1|5.14
"201812280400002"|"EB"|"EB_190118P30."|"ARCA"|"Straddle"|"12/28/18 11:13:38.000"|"12/28/18 11:13:38.000"|0|2|4.92