OK, so why haven't you done so yet? If you were correct, you'd be losing money every day since June 1.
And I'm betting you WON'T start to short the market because you don't believe your own ****, and you know that in the coming weeks when the Iran war is over, we'll far more likely to see a huge positive surge in the market, NOT a loss and certainly not a major crash!
My guess is you'll only CLAIM that you shorted it AFTER you see it drop (if it even does), and you're planning to be ready with an "I told you so lie" the minute it happens! Otherwise, state the date you take such a foolish action BEFORE it drops!