Hmm,
As people told me, when a broker execute order from their clients, they must buy/sell regular lot size. There is no mini lot size in interbank execution. Once upon a time, there is only 7 mini lot order buy. It means there is still three mini lot buy order left unsold, and to protect the broker from loss, as I know, from people, they counter your trade by 3 mini lot, since it will give them security against price change with that three mini lot that they trade. Broker don't take risk, they don't trade for profiting from price change. A trade againts that buy position, which is sell, will give an effect to the price, which is 1 pip down, and the spread which originally 2, became 3. -that's what a scalper complainsl-. Mostly broker has direct dealing power to execute order with 0 pip spread, even positive as I heard. Well, it's just what I heard from people though. I don't know what the heck is really going on down there. Just my 2 cent.
Cheers,
Bangun
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