How useful of a tool are the Level II / Market Depth to your trading? How long does it take you to become proficient in reading all these numbers that appear on your screen and interpreting them in splits of seconds. There's alot of dynamism in the Level 2 data, i find it hard myself to keep up with it. I do read; however, that most elite traders rely heavily on it. Any tips or advice on how i can improve my level 2 interpretations. There's alot of talk and explanations on the internet on what this technical indicator does and what that other indicator reveals, but there is little to no information on how to use level 2 and a good interpretation of the numbers and what they mean when they're read in combination with other factors...