The chart shows the price of Bitcoin vs. US Dollar . In 02/02/2018, as it says, buyers couldn't raise the price above the day open price, the D1 candle seems a with body. So the final result wasn't clear and the next day, sellers could pullback the price. (Consider the red thick arrow)
The idea is related to prior ideas, so you need to read them step by step.
First, you mention "ATR-264" Sure, ATR=Average True Range. But do you mean ATR "minus" "two hundred sixty four"? As in a calculation of the size of the candle?
And second, you mention a D1 candle. What is D1?