It's working for me.
You might try a different browser. Citi also tends to log out aggressively if you try to log in to citi.com and citipricerewind.com at the same time...at least on the same device and browser.
Personal spend: Amex Gold, Amex Schwab Plat., BofA PR+CCR(x2), Costco
Business use: Amex Bus. Plat., BBP, Lowes Amex AU, CFU AU
Perks: Delta Plat., United Explorer, IHG49, Hyatt, "Old SPG"
Mostly SD: Freedom Flex, Freedom, Arrival
Upgrade/Downgrade games: ED, BCE
SUB chasing: AA Platinum Select
