my guess is as good as yours

my guess is as good as yours

I do not know either; I have no idea. Typically said in response to a question. A: "Where's Hank?" B: "My guess is as good as yours. He didn't say anything to me." I have no idea who's going to win the election. I don't follow politics, so my guess is as good as yours.
See also: good, guess
Farlex Dictionary of Idioms.
See also:
  • your guess is as good as mine
  • truly
  • truly yours
  • yours
  • Jinx!
  • preserved
  • Jinx, you owe me a Coke!
  • owe