"Event Id"|"Underlying"|"Symbol"|"Exchange"|"Type"|"Start Datetime"|"End Datetime"|"Average Bid Size"|"Average Ask Size"|"Average Spread"
"201903130700001"|"LLY"|"LLY_190418C135."|"AMEX"|"Straddle"|"03/13/19 10:17:38.000"|"03/13/19 10:17:38.000"|1|3|4.49
"201903130700001"|"LLY"|"LLY_190412C124."|"AMEX"|"Straddle"|"03/13/19 10:17:38.000"|"03/13/19 10:17:38.000"|16|1|3.62
"201903130700002"|"LLY"|"LLY_190418C135."|"AMEX"|"Straddle"|"03/13/19 10:17:38.000"|"03/13/19 10:17:38.000"|1|3|4.49
"201903130700002"|"LLY"|"LLY_190412C124."|"AMEX"|"Straddle"|"03/13/19 10:17:38.000"|"03/13/19 10:17:38.000"|16|1|3.62
"201903050500001"|"GE"|"GE1_190308P10."|"AMEX"|"Limit"|"03/05/19 13:21:43.000"|"03/05/19 13:21:44.000"|6|4|2.91
"201903050500005"|"GE"|"GE_210115P10."|"AMEX"|"Limit"|"03/05/19 13:21:50.000"|"03/05/19 13:22:00.000"|0|1|3.76
"201903280900007"|"PCG"|"PCG_190329P15.5"|"AMEX"|"Straddle"|"03/28/19 10:10:44.000"|"03/28/19 10:10:46.000"|0|7|0.50
"201903280900008"|"PCG"|"PCG_190329P15.5"|"AMEX"|"Limit"|"03/28/19 10:10:46.000"|"03/28/19 10:10:47.000"|2|34|0.44
"201903280900009"|"PCG"|"PCG_190329P15.5"|"AMEX"|"Straddle"|"03/28/19 10:10:47.000"|"03/28/19 10:10:47.000"|4|58|0.36
"201903280900010"|"PCG"|"PCG_190329P15.5"|"AMEX"|"Limit"|"03/28/19 10:10:47.000"|"03/28/19 10:10:47.000"|4|58|0.36
"201903280900011"|"PCG"|"PCG_190329P15.5"|"AMEX"|"Straddle"|"03/28/19 10:10:47.000"|"03/28/19 10:10:47.000"|4|58|0.36
"201903280900012"|"PCG"|"PCG_190329P15.5"|"AMEX"|"Limit"|"03/28/19 10:10:47.000"|"03/28/19 10:10:47.000"|4|58|0.36
"201903280900013"|"PCG"|"PCG_190329P15.5"|"AMEX"|"Straddle"|"03/28/19 10:10:47.000"|"03/28/19 10:10:47.000"|4|58|0.36
"201903280900014"|"PCG"|"PCG_190329P15.5"|"AMEX"|"Limit"|"03/28/19 10:10:47.000"|"03/28/19 10:10:48.000"|2|58|0.48