"Event Id"|"Underlying"|"Symbol"|"Exchange"|"Type"|"Start Datetime"|"End Datetime"|"Average Bid Size"|"Average Ask Size"|"Average Spread"
"201807173400019"|"RIOT"|"RIOT_180720C6."|"ARCA"|"Straddle"|"07/17/18 14:13:58.000"|"07/17/18 14:13:59.000"|178|5|0.10
"201807173400020"|"RIOT"|"RIOT_180720C6."|"ARCA"|"Limit"|"07/17/18 14:13:59.000"|"07/17/18 14:14:00.000"|80|4|0.10
"201807261200001"|"YUMC"|"YUMC_181019C30."|"ARCA"|"Straddle"|"07/26/18 09:48:49.000"|"07/26/18 09:48:49.000"|3|2|2.35
"201807261200002"|"YUMC"|"YUMC_181019C30."|"ARCA"|"Straddle"|"07/26/18 09:48:49.000"|"07/26/18 09:48:49.000"|3|2|2.35
"201807261200003"|"YUMC"|"YUMC_181019C30."|"ARCA"|"Straddle"|"07/26/18 09:48:49.000"|"07/26/18 09:48:49.000"|3|2|2.35
"201807261200004"|"YUMC"|"YUMC_181019C30."|"ARCA"|"Straddle"|"07/26/18 09:48:49.000"|"07/26/18 09:48:49.000"|3|2|2.35
"201807261200005"|"YUMC"|"YUMC_181019C30."|"ARCA"|"Straddle"|"07/26/18 09:48:49.000"|"07/26/18 09:48:49.000"|3|2|2.35
"201807261200006"|"YUMC"|"YUMC_181019C30."|"ARCA"|"Straddle"|"07/26/18 09:48:49.000"|"07/26/18 09:48:49.000"|3|2|2.35
"201807261200007"|"YUMC"|"YUMC_181019C30."|"ARCA"|"Limit"|"07/26/18 09:48:49.000"|"07/26/18 09:48:49.000"|3|2|2.35
"201807261200008"|"YUMC"|"YUMC_181019C30."|"ARCA"|"Straddle"|"07/26/18 09:48:49.000"|"07/26/18 09:48:50.000"|3|2|2.37