วิเคราะห์ข้อมูลหุ้น BMW ด้วย Python

plt.figure(figsize=(10, 6))
data['Adj_Close'].plot(title='Stock Price Trend (Adj_Close)', ylabel='Price', xlabel='Date')
plt.show()

yearly_growth = data.groupby('Year')['Adj_Close'].agg(['first', 'last'])
yearly_growth['Growth (%)'] = ((yearly_growth['last'] - yearly_growth['first']) / yearly_growth['first']) * 100
print(yearly_growth[['Growth (%)']])

plt.figure(figsize=(10, 6))
plt.plot(yearly_growth.index, yearly_growth['Growth (%)'], marker='o', linestyle='-', color='b', label='Yearly Growth (%)')
plt.title('Yearly Growth of Adjusted Close Price')
plt.xlabel('Year')
plt.ylabel('Growth (%)')
plt.grid(True)
plt.legend()
plt.show()