https://www.gamespot.com/articles/ps4s-holiday-psn-flash-sale-is-live-right-now/1100-6455800/

Just in case the big PSN holiday sale going on didn't offer enough ways to blow your money, Sony has launched another promotion on top of it. A limited-time flash sale is now live on the PlayStation Store, discounting a number of PlayStation games just before Christmas. However, unlike most flash sales on PSN, this one will last a big longer than usual.