How is this possible?

What you’re seeing as the low of the day is actually dependent on the number of ticks available with kite (which it claims to be 2 ticks per second ) but in real there are numerous, like thousands ticks per second , and your order of buy at 118 is executed as soon as price reaches there but not shown .
Explained here Why is OHLC data different on live charts and marketwatch? - #3 by nithin

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