Before revision:  What is remarkable is that these objects, called "characteristic figures" , mainly "cords" , have the unique property of attracting and repelling the price, so that the price bounces from one cord to another.
After revision:  What is remarkable is that these objects, called "characteristic figures" , mainly "cords" ). What is central to the function is that these cords have the unique property of attracting and repelling the price, so that the price bounces from one cord to another.