A roundturn is always two lines: Buy = 1, Sell = -1
02-05-31 09:58:00 GLOBEX ES JUN02 -1 1069.0000 1067.5000 75.00
02-05-31 09:59:18 GLOBEX ES JUN02 1 1070.7500 1067.5000 -162.50
09:58:00 SLD ES @ 1069.00
09:59:18 BOT ES @ 1070.75
( Settlement Price: 1067.50 does not matter for...