Please explain this.

>>2482736
Someone purchased for the wrong price, or entered the wrong SAT

etc

When that person was placing and order, they must've been intending to place a sell order at the price, but instead accidentally carried out a buy order at that price.

>>2482745
*an order

Also gives you interesting insight into where resistance for btc currently is, prices are currently stuck at around $2530 resistance, so it shows that this is where most of the sell orders were being placed