The opening bell is rung on the trading floor to signify the start of the day’s trading session.
Since 1985, the New York Stock Exchange (NYSE) has used the opening bell to start its trading session at 9:30 a.m.
Opening bells ensure order in a marketplace by ensuring that no trades occur before the opening or after the close.
Most traders use the term opening bell to describe the opening of a given market.
The physical ringing of the opening bell has become a ceremonious event where dignitaries visiting the stock markets or companies that are trading for the first day are given the honor of ringing the bell.