Revision of 年化報酬率計算

2 files changed, 45 insertions

calculate_annualized_return.py(file created)

		@@ -0,0 +1,21 @@
1	+	def calculate_annualized_return(initial_investment, final_value, investment_period):
2	+	"""
3	+	計算年化報酬率的函數。
4	+
5	+	:param initial_investment: 初始投資金額
6	+	:param final_value: 投資終值
7	+	:param investment_period: 投資期限（年）
8	+	:return: 年化報酬率
9	+	"""
10	+	annualized_return = ((final_value / initial_investment) ** (1 / investment_period)) - 1
11	+	return annualized_return
12	+
13	+	# 使用函數計算年化報酬率
14	+	initial_investment = 1000000 # 初始投資金額
15	+	final_value = 1200000 # 投資終值
16	+	investment_period = 2 # 投資期限（年）
17	+
18	+	# 輸出結果
19	+	annualized_return_rate = calculate_annualized_return(initial_investment, final_value, investment_period)
20	+	print(f"年化報酬率: {annualized_return_rate:.4f} 或 {annualized_return_rate * 100:.2f}%")
21	+

calculate_annualized_return_for_part_years_investment.py(file created)

		@@ -0,0 +1,24 @@
1	+	def calculate_annualized_return(initial_investment, final_value, investment_period_years):
2	+	"""
3	+	計算年化報酬率的函數，適用於不足一年的投資期限。
4	+
5	+	:param initial_investment: 初始投資金額
6	+	:param final_value: 投資終值
7	+	:param investment_period_years: 投資期限（年），可以是小於1的小數
8	+	:return: 年化報酬率
9	+	"""
10	+	if investment_period_years <= 0:
11	+	raise ValueError("投資期限必須大於0")
12	+	annualized_return = ((final_value / initial_investment) ** (1 / investment_period_years)) - 1
13	+	return annualized_return
14	+
15	+	# 使用函數計算年化報酬率
16	+	initial_investment = 1000000 # 初始投資金額
17	+	final_value = 1200000 # 投資終值
18	+	investment_period_months = 6 # 投資期限（月）
19	+	investment_period_years = investment_period_months / 12 # 將月份轉換為年的小數
20	+
21	+	# 輸出結果
22	+	annualized_return_rate = calculate_annualized_return(initial_investment, final_value, investment_period_years)
23	+	print(f"年化報酬率: {annualized_return_rate:.4f} 或 {annualized_return_rate * 100:.2f}%")
24	+

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