The commission is the charge levied by an investment broker for making trades on a trader’s behalf.

An asset’s closing price is the last level at which it was traded on any given day. This price is often determined by an auction.

A chartist is a trader who relies predominantly on charts to help them understand a financial instrument’s historical price movements, in order to better predict and to speculate on its future performance. They are also commonly known as technical analysts or technical traders.