about the signals history

[hero216]

Why some of the signals have a long time history like 1 year or 2 years, but we never seen them before, and we can see the equity for only 1 or 2 month? 

[Sergey Golubev]

I tthink - providers traded using his system/account before attaching it to the signal (it is my explanation sorry).

[hero216]

newdigital:
I tthink - providers traded using his system/account before attaching it to the signal (it is my explanation sorry).

Thank you