How can i know traffic from others affiliates please ?

Good morning,

I am affiliat in gambling online and when i ask companies if august is good or bad in stats or winning tell me "we protect our affiliates can not give you an answer"?

look normal, but is there a program who can help me if i submit an other affiliat link to get his favourit keywords and traffic please

(i never say i want to stole infos)

thanks