Fyers nifty50 index data shows from 9:00 AM

Hi Team, Nifty 50 data showing from 9:00 AM data . is it something wrong … actually data started from 9:15 … how the data showing here from 9:00 am.. does my code wrong or fyers giving the data,

What are you using Hisotry API or Websocket ?

if websocket then it is fine and excepted. This is Pre-Market data.

History Api