tick-by-tick

I am a full time intermediate trader who recently came across this thing called "tick by tick chart" for intraday, it seems like a lot of professional traders across the globe use this over conventional time based charts. So I was wondering if there is any trader out here on this forum who can...

Hi, My Doubts: 1. NSE/BSE updates their stock prices in a regular interval (say 2ms) or varying intervals based on stock price changes? 2. NSE/BSE follow each and every tick (.05) right? When the price falls from 19.00 to 18.85, it will travel through 18.95 and 18.90 right(in...

I need real-time tick-by-tick data for NSE F&O market. Can anyone tell me their experiences about their professional data service providers? Requirements are: 1. Truly real-time data. Delay of fraction of a second 2. All F&O scrips including option chains should be available. 3. Should...