Hello, I just started trading through a discount broker and was wondering: when is an order big enough to justify splitting up the order? Is there some sort of metric that takes into account factors such as shares outstanding and daily volume? I don't get to see any layerd bid/offer prices so I have no idea. I don't think selling 100 shares of something will make a difference, but what about 1000? And by difference I mean the prices you receive and how easily the order is executed. Thanks!