In a major from ESPN, it is being reported that the WWE has agreed to air SmackDown Live on Fox starting in October of 2019. The deal is reportedly for 5 years and $1.025 Billion ($205 Million/year). The will also reportedly move the air date to Friday night. This amount is three times what NBCUniversal pays to air SmackDown Live on the USA network.
The move for now will only affect SmackDown Live. The WWE reportedly reached a deal with NBCUniversal last week to continue airing Monday Night Raw on USA network. There's no word yet on how this will affect shows like NXT or 205 Live, which currently both air on the WWE Network.