"Event Id"|"Underlying"|"Symbol"|"Exchange"|"Type"|"Start Datetime"|"End Datetime"|"Average Bid Size"|"Average Ask Size"|"Average Spread"
"201707073500004"|"ZN"|"ZN_170721C2.5"|"NYSA"|"Straddle"|"20170707 09:50:12"|"20170707 09:50:12"|82|12|2.72
"201707073500005"|"ZN"|"ZN_170721C2.5"|"NYSA"|"Straddle"|"20170707 09:50:13"|"20170707 09:50:13"|61|5|2.42
"201707073500006"|"ZN"|"ZN_170721C2.5"|"NYSA"|"Straddle"|"20170707 09:50:13"|"20170707 09:50:13"|61|5|2.42
"201707073500007"|"ZN"|"ZN_170721C2.5"|"NYSA"|"Straddle"|"20170707 09:50:13"|"20170707 09:50:13"|61|5|2.42
"201707250800012"|"MGM"|"MGM_170728C27.5"|"NYSA"|"Straddle"|"20170725 15:37:03"|"20170725 15:37:03"|35|36|3.57
"201707250800012"|"MGM"|"MGM_170728C34.5"|"NYSA"|"Straddle"|"20170725 15:37:03"|"20170725 15:37:03"|1|9|1.82
"201707250800012"|"MGM"|"MGM_170728P37."|"NYSA"|"Straddle"|"20170725 15:37:03"|"20170725 15:37:03"|766|360|3.45
"201707250800012"|"MGM"|"MGM_170811P35.5"|"NYSA"|"Straddle"|"20170725 15:37:03"|"20170725 15:37:03"|8|10|1.95
"201707250800012"|"MGM"|"MGM_170818P32."|"NYSA"|"Straddle"|"20170725 15:37:03"|"20170725 15:37:03"|11|9|1.85
"201707250800012"|"MGM"|"MGM_170818P37."|"NYSA"|"Straddle"|"20170725 15:37:03"|"20170725 15:37:03"|10|6|1.32
"201707250800012"|"MGM"|"MGM_171020P40."|"NYSA"|"Straddle"|"20170725 15:37:03"|"20170725 15:37:03"|271|184|1.16
"201707250800013"|"MGM"|"MGM_170728C27.5"|"NYSA"|"Limit"|"20170725 15:37:03"|"20170725 15:37:07"|23|22|4.08
"201707250800013"|"MGM"|"MGM_170728C34.5"|"NYSA"|"Limit"|"20170725 15:37:03"|"20170725 15:37:07"|1|5|2.97
"201707250800013"|"MGM"|"MGM_170728P37."|"NYSA"|"Limit"|"20170725 15:37:03"|"20170725 15:37:07"|488|231|3.98
"201707250800013"|"MGM"|"MGM_170811P35.5"|"NYSA"|"Limit"|"20170725 15:37:03"|"20170725 15:37:07"|5|7|3.09
"201707250800013"|"MGM"|"MGM_170818P32."|"NYSA"|"Limit"|"20170725 15:37:03"|"20170725 15:37:07"|10|9|2.06
"201707250800013"|"MGM"|"MGM_170818P37."|"NYSA"|"Limit"|"20170725 15:37:03"|"20170725 15:37:07"|6|4|2.70
"201707250800013"|"MGM"|"MGM_170915C36."|"NYSA"|"Limit"|"20170725 15:37:03"|"20170725 15:37:07"|139|45|0.39
"201707250800013"|"MGM"|"MGM_171020P40."|"NYSA"|"Limit"|"20170725 15:37:03"|"20170725 15:37:07"|165|115|2.74
"201707250800013"|"MGM"|"MGM_171215P31."|"NYSA"|"Limit"|"20170725 15:37:03"|"20170725 15:37:07"|54|20|1.72