Calculators
What the trade itself costs
One calculator: the drag a commission puts on an order before the stock earns anything.
What the trade itself costs
The commission is a cost too, and on a small order it is a big one. This is the drag the stock has to overcome before it earns you anything.
A $9.95 commission on a $500 order is about 2 percent each way, which is why small orders at full commission brokers quietly lose.
Educational content only, not financial advice. We are not financial advisors. This page works from rules of thumb and published list prices, not quotes. It is a teaching tool, not advice.