ChartSmarts

[MechanicalMethod]

[Slow Stocastic(14,3) > 1 day ago Slow Stocastic min(30,daily Slow Stocastic(14,3))]

I'm not sure of the syntax they use to define if then conditions nor of how they call the previous value of a study but here's how to do it in an alternate language. The [1] references the previous value. And the logics slightly different than yours. It assumes if yesterday was the lowest in 30 days including today then today must be higher. Hope it helps.

if stochastic(14,3)[1] = lowest((stochastic(14,3),30) then alert = true;

So you might try something like this in stockcharts.

[1 day ago Slow Stocastic min(30,daily Slow Stocastic(14,3))]