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Prosedur Perhitungan Variance of Individual Security

T: Bagaimana prosedur perhitungan variance of individual security?

J: Prosedur perhitungan variance of individual security dapat dijelaskan sebagai berikut:

  1. Hitung return of individual security (ri)
  2. Hitung average return of individual security (avr ri)
  3. Hitung selisih antara ri dengan avr ri (ri – avr ri)
  4. Hitung pangkat 2 dari hasil perhitungan pada point 3 ((ri – avr ri)^2)
  5. Hitung jumlah dari hasil perhitungan pada point 4 (∑(ri – avr ri)^2))
  6. Hitung variance of individual security

Secara detil, penjelasan prosedur di atas dapat dilihat pada spreadsheet berikut:

calculation of variance individual security

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