Switching to my charts to make it easier to draw what needs to be drawn.
Good old SLA would have us draw the initial tight DL on the way up. Ideally we would have a higher low to connect, but here, price never makes a higher high so we can't fan this super tight line. The first RET happens overnight, so can't do anything with this, but the second op for a short at the second red allows for a solid trade on this hourly chart given that we are rejecting going higher and formed the double top at B with A.
Forget about SLA and DLs and fanning and retracements and shorting and the bar interval. This is only about trending and ranging.
What clues if any do traders provide to tell you that they're going to take this down? Simple language. No jargon. As if you were explaining it to a child.
