Pengantar Analisis Portofolio dengan Python
Charlotte Werger
Data Scientist
Annual Return: Total return selama satu tahun kalender
Annualized return: Tingkat pengembalian tahunan yang disimpulkan dari periode apa pun
Average Return: Total return dalam periode panjang, dirata per periode (lebih pendek)
Cumulative (compounding) return: Return yang mencakup hasil penggabungan dari reinvestasi bunga, dividen, dan capital gain
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N dalam tahun: $rate= (1 +Return)^{1/N} -1$
N dalam bulan: $rate= (1+Return)^{12/N} -1$
Ubah periode apa pun menjadi tingkat tahunan:
# Check the start and end of timeseries
apple_price.head(1)
date
2015-01-06 105.05
Name: AAPL, dtype: float64
apple_price.tail(1)
date
2018-03-29 99.75
Name: AAPL, dtype: float64
# Assign the number of months
months = 38
# Calculate the total return
total_return = (apple_price[-1] - apple_price[0]) /
apple_price[0]
print (total_return)
0.5397420653068692
# Calculate the annualized returns over months
annualized_return=((1 + total_return)**(12/months))-1
print (annualized_return)
0.14602501482708763
# Select three year period
apple_price = apple_price.loc['2015-01-01':'2017-12-31']
apple_price.tail(3)
date
2017-12-27 170.60
2017-12-28 171.08
2017-12-29 169.23
Name: AAPL, dtype: float64
# Calculate annualized return over 3 years
annualized_return = ((1 + total_return)**(1/3))-1
print (annualized_return)
0.1567672968419047
Pengantar Analisis Portofolio dengan Python