Selecting specitif data in a matrix VBA

Question

I need to calculate the average correlation among stocks whose correlations are equal to and between 15% (LB) and 85% (UB).

I wrote this function, but the "For Each (Cell...)" doesn't work and I don't find another way to do it. Any suggestion?

Function AvgRhoBounded(RET, LB, UB)

n = RET.Columns.Count 'get number of assets
    
    total_rho = 0
    n_rho = 0
    
    For i = 1 To n
       For j = i + 1 To n
        For Each (Cell>=LB and Cell <=UB) in RET
              rho_ij = Application.WorksheetFunction.Correl(RET.Columns(i), RET.Columns(j))
              total_rho = total_rho + rho_ij
              n_rho = n_rho + 1
       Next j
    Next i
    
    AvgRho = total_rho / n_rho 'returns average correlation


End Function