wmbw:
I guess it depends on how you invest....
IF you invest the same lump sum of money for each trade then:
Buy:
1000 @ $ 3 = $ 3,000
200 @ $ 15 = $ 3,000
Sell:
1000 @ $ 30 = $ 30,000 Net: $ 27,000 - commissions
200 @ $ 30 = $ 6,000 Net: $ 3,000 - commissions
diffference: 9:1
Regards,
Mike.