Level2 service is what you are referring to. It is provided by some brokers (I get it for free through ETrade), or you can subscribe to the service (IHUB offers it).
My posts are my personal opinions and not recommendations to buy or sell securities. You are responsible for your own investment decisions.
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.