Many traders know NRTR indicator and some of us are using it in our trading systems.
What is NRTR? if I am not mistaken - NRTR is Nick Rypock Trailing Reverse) and the theory behind it is the following (see image):
This Nick Rypock concept was invented in 2001 by Konstantin Kopyrkin ... we can read 'Nick Rypock' from back to front and we will receive ... the family name of the author of this concept :) By the way, he invented NRMA (Nick Rypoсk Moving Average).
But who was the person which invented it before Konstantin Kopyrkin?