Credit One and FIrst premier throw out pre approvals to everybody they can get to signup , since their terms are pretty horrendous. I get FP pre approvals few times an month via email.
Funny thing about credit one i tried their pre approval links an few times. I got denied and they gave me fako of 770 lol
EX Fico 804 11/16/16 Fako 800 Credit.com 11/16/16
EQ SW bank enhanced 11/16/16 839 CK fako 822 11/16/16
TU Fico discover 10/19/16 814 Fako 819 Creditkarma 11/16/16