100x1買100x2売 差引x1売 38100x3買→38200 +300037755x1買→37655 -1000070x1 37550買→37480 -700100x4 37550売→37450 +4000130x2 37550買→37420 -2600070x2 37405買→37475 +1400100x2 37405売→37505 -2000130x1 37405売→4…