0-18(buy)=-18
, U' n6 w$ m, R& I, x: Y1 d
. o! \9 n: ^% O公仔箱論壇100(paid)-79(change)=21(sold for)
Z& c1 _: r3 c: N) }5.39.217.76
& b" f( L% R1 t/ L- Ftvb now,tvbnow,bttvb-18+21=3(profit)
+ \! E- }% Y4 i9 a6 K: m% Itvb now,tvbnow,bttvb J) Y. |8 D6 W0 u
-100(fake)
$ Z/ j$ V) W% R# q# @, D E! y
-100+3= -97 |