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