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| import gradio as gr | |
| title_conpund = "Uninvested Earnings Calculator" | |
| description_conpound = """ | |
| Monthly compound. | |
| """ | |
| title_ETF1 = "Stock Earnings Calculator" | |
| description_ETF1 = """ | |
| Daily compound is not included. | |
| """ | |
| title_stock = "Selling price calculator" | |
| description_stock = """ | |
| Calculate Selling Price for a target gain percentage | |
| (after tax deduction (25%) and Trade republic selling fees (1 eur)) | |
| """ | |
| def greet(name): | |
| return "Hello " + name + "!!" | |
| def compound( | |
| initial_investment, | |
| # annual_contribution, | |
| # monthly_contribution, | |
| yearly_interest_rate, | |
| investment_length, | |
| tax_rate = 0.4# in month | |
| ): | |
| """ " | |
| initial_investment: euro | |
| yearly_interest_rate: percentage | |
| investment_length | |
| tax_rate | |
| """ | |
| gross_earnings = initial_investment * (1 + yearly_interest_rate / 12) ** (investment_length / 12 * 12) - initial_investment | |
| return (gross_earnings * (1-tax_rate)) | |
| def ETF_with_price_net_change( | |
| buy_in_price, sell_price, initial_investment, tax_rate=0.4 | |
| ): | |
| shares = initial_investment / buy_in_price | |
| earnings = shares * (sell_price - buy_in_price) | |
| stock_change_rate = (sell_price - buy_in_price) / buy_in_price | |
| net_earnings = earnings * (1 - tax_rate) | |
| net_earning_rate = net_earnings / initial_investment | |
| return earnings, net_earnings, net_earning_rate, stock_change_rate | |
| def ETF_with_price_change_rate( | |
| initial_investment, buy_in_price, price_change_rate, tax_rate=0.4 | |
| ): | |
| shares = initial_investment / buy_in_price | |
| sell_price = buy_in_price * (1 + price_change_rate) | |
| earnings = shares * (sell_price - buy_in_price) | |
| net_earnings = earnings * (1 - tax_rate) | |
| net_earning_rate = net_earnings / initial_investment | |
| return earnings, net_earnings, net_earning_rate | |
| def stock_sp_calc(buy_in_price, target_gain): | |
| return ((buy_in_price * target_gain/100) + (0.75*buy_in_price) + 1) / 0.75 | |
| iface = gr.Interface( | |
| fn=compound, | |
| inputs=[ | |
| gr.Number(label="Initial Investment", precision=2), | |
| gr.Number(label="Yearly Interest Rate", precision=3, step=0.01), | |
| gr.Number(label="Investment Length in Months", precision=0), | |
| gr.Number(0.40, label="Tax Rate", precision=2), | |
| ], | |
| outputs=gr.Number(label="Net Earnings", precision=3), | |
| examples=[[5000, 0.04, 1, 0.4], [5000, 0.04, 12, 0.4]], | |
| title=title_conpund, | |
| description = description_conpound | |
| ) | |
| iface2 = gr.Interface( | |
| fn=ETF_with_price_change_rate, | |
| inputs=[ | |
| gr.Number(label="Initial Investment", precision=2), | |
| gr.Number(label="Buy-in Price", precision=2, step=0.01), | |
| gr.Number(label="Price Change Rate", precision=3, step=0.01), | |
| gr.Number(0.40, label="Tax Rate", precision=2), | |
| ], | |
| outputs=[ | |
| gr.Number(label="Earnings before Tax", precision=3), | |
| gr.Number(label="Net Earnings", precision=3), | |
| gr.Number(label="Net Earnings Rate", precision=3), | |
| ], | |
| examples=[ | |
| [5000, 37.22, 0.10, 0.4], | |
| [500, 20.68, 0.3465, 0.4], | |
| [10000, 80, 0.1136, 0.4], | |
| ], | |
| title=title_ETF1, | |
| description = description_ETF1, | |
| ) | |
| iface3 = gr.Interface( | |
| fn=stock_sp_calc, | |
| inputs=[ | |
| gr.Number(label="Buy-in Price", precision=2, step=0.01), | |
| gr.Number(label="Target gain (%)", precision=3, step=0.01), | |
| ], | |
| outputs=[ | |
| gr.Number(label="Selling price", precision=3), | |
| ], | |
| examples=[ | |
| [33.62, 10], | |
| [440.3, 5], | |
| [3201.4, 4.5], | |
| ], | |
| title=title_stock, | |
| description = description_stock, | |
| ) | |
| app = gr.TabbedInterface( | |
| interface_list=[iface, iface2, iface3], | |
| tab_names=["Uninvested earnings", "ETF earnings", "Selling price calculator"], | |
| ) | |
| app.launch() | |