What is fill?Fill
A buy order and a sell order matching at the same price, so the trade actually happens.
Learn “fill” in an animated lesson
- Stock BasicsWhat Is a Broker?
Ordinary people can't walk into an exchange and buy stocks. A broker is the middleman that opens your account, sends your orders and holds your shares.
- Stock Trading: Next StepsLimit Orders
Fill only at my price or better. A limit order joins the order book queue and waits for someone to trade with.
- Stock Trading: Next StepsMarket Orders
No price preference, fill it now. Submit a market order yourself and watch it "eat" through the asks level by level.
Related terms
See how “fill” works for yourself with an animation you can drag and play.
Go to “What Is a Broker?”