Analisis perbandingan kinerja portofolio saham Markowitz dan Treynor-Black model berdasarkan hasil seleksi portofolio menggunakan single-index model metode cut-off rate: studi kasus terhadap saham-saham pada indeks LQ45 periode Februari 2009 sampai dengan Januari 2012 = Comparative analysis stock portfolio performance of Markowitz and Treynor-Black model based on the results of portfolio selection using single-index model with cut-off rate method: case study on the index shares of LQ45 period February 2009 to January 2012