Last week's episode of WWE Smackdown did an average viewing audience of 2,684,000 viewers on SyFy.
The show ended up with a 1.90 cable rating. You can see how the competition stacked up at this link.
Smackdown Viewership & Ratings Archive
I love that when a rating goes up, the Cena marks come in and post about how it proves he is the greatest draw in all of wrestling. Then whenever the ratings drop – like they keep doing for Raw – they are nowhere to be found. No doubt they will be back next time the rating goes up to pretend things like this never happen