No. You have to use your eyes to discern what is enough, not too much. The out-of-gamut warning indicators don’t change as you adjust the protect saturated colors slider in Soft Proofing. And I find they don’t reliably indicate what is truly out-of-gamut anyway.
Fortunately, this only pertains to matrix based ICC profiles (display profiles) and the automatic setting (a checkbox in the export options, equivalent to 50 on the Soft Proofing slider) is supposed to be sufficient to protect saturated colors: