I've had limited success in these trying times by buying into...

I've had limited success in these trying times by buying into stocks that have 2 to 3 times as many buyers as sellers. It's a wait and see game, and sometimes only produces a few pips over a few weeks.
But they definitely seem to hold their value.
I've looked at Commsec screeners to see if there is a way to scan for these purely on buyer/seller ratio.
Is there a platform that does that sort of thing?