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PyValuation-0.1.2
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مشاهده بیشترتوضیحات
Demo library
| ویژگی | مقدار |
|---|---|
| سیستم عامل | OS Independent |
| نام فایل | PyValuation-0.1.2 |
| نام | PyValuation |
| نسخه کتابخانه | 0.1.2 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Jason DiBiase |
| ایمیل نویسنده | dibiasej3@gmail.com |
| آدرس صفحه اصلی | https://PyValuation.readthedocs.io/ |
| آدرس اینترنتی | https://pypi.org/project/PyValuation/ |
| مجوز | MIT |
# PyValuation
A library for stock and portfolio valuation.
This was originally made to help aid in my own stock valuation approach but I wanted to allow others to utilize this code as well.
The library is made up of four basic parent classes that inherent from two child classes.
The four parent classes are DCF, Valuation, RelativeValue and PortfolioValuation and the two child classes are FinancialData and ValuationCharts.
## Installation
>pip install PyValuation
## Get started
### FinancialData
The child class FinancialData is used for calculating numerous stock valuation metrics. These valuation metrics include Price to Earnings, Price to Sales, Return on Capital, company margins and others.
FinancialData class also acts as a parent class and inherents the FinancialStatements child class.
The FinancialStatements child class uses two methods to pull companies Income Statements, Balance Sheets and Cash Flow Statements. The first method is a basic call to the yfinance modules respective get_financials, get_balancesheet, get_cashflow functions. The second method FinancialStatements uses is a webscrapping version where we utilize BeautifulSoup from the bs4 module to pull the companies financial statements from yahoo finance directly.
How to pull specific financial statments using both methods.
1) yfinance module
```
import PyValuation as pv
stock = pv.FinancialData('TICKER')
stock.balancesheet()
```
2) BeautifulSoup
```
import PyValuation as pv
stock = pv.FinancialData('TICKER')
stock.soupbalancesheet()
```
FinancialData's main method is the input function used to calculate multiple valuation metrics and inputs for a discounted cash flow model.
How to use FinancialData's input function.
```
import PyValuation as pv
stock = pv.FinancialData('TICKER')
stock._inputs()
```
The inputs function will return a dictonary of valutaion metrics including the following, Retention Ratio's, Reinvestment Rate, Cost of Equity, Return on Capital and others.
### ValuationCharts
ValuationCharts is another child class that calculates valuation metrics and plots them over time. This is useful for analyzing how specific company metrics change during certain market periods.
ValuationCharts relies on the bs4 module to web scrape historical shares outstanding. The historical shares outstanding is used in numerous other calculations like calculating and plotting a historical price to earnings ratio.
How to use Valuation charts
1) Plotting shares outstanding over time.
```
import PyValuation as pv
stock = pv.ValuationCharts('TICKER')
stock.sharesoutstanding_chart()
```
2) Plotting basic valuation metric over time
```
import PyValuation as pv
stock = pv.ValuationCharts('TICKER')
stock.pb_chart()
```
### Valuation
The Valuation class acts as a parent class to ValuationCharts so it has multiple plotting capabilities within it. Valuation also calculates multiple valuation metrics but displays them using print statements in a more visually pleasing manner.
The Valuation classes main methods are credit_score, cogp and undervalue spotting.
1) credit_score
The credit_score method uses the modified Altman's Z-score to calculate a make shift credit score and uses a print statement to display the stock in questions credit score compared to what its potential credit rating would be.
```
import PyValuation as pv
stock = pv.Valuation('TICKER')
stock.credit_score()
```
2) cogp
cogp or core operating growth profile is a useful metric for calculting the cash generating power of a company. The cogp method calculates the operating cushion and subtracts that from the working capital to revenue percentage to get the core operating growth profile.
```
import PyValuation as pv
stock = pv.Valuation('TICKER')
stock.cogp()
```
3) undervalue_spotting
The undervalue_spotting method calculates numeroud valuation metrics and uses print statements to display them in a way that is easy to read and compare in order to spot if a company is traditionaly undervalued.
```
import PyValuation as pv
stock = pv.Valuation('TICKER')
stock.undervalue_spotting()
```
### DCF
The DCF class is used for dicounted cash flow modeling of a company. The DCF class has methods current_cashflows, growth_rates, projected_cashflows, intrinsic_value and outside_spread.
We will use the outside_spread as an example.
```
import PyValuation as pv
stock = pv.DCF('TICKER')
stock.outside_spread()
```
We can also specify the inputs for the free cash flow equity and free cash flow to the firm that will be used
```
import PyValuation as pv
stock = pv.DCF('TICKER')
stock.outside_spread(10000000000, 10000000000)
```
### RelativeValue
The RelativeValue class does similar calculations as the Valuation class but on a larger scale. The RelativeValue class uses a csv that has a list of S&P 500 company tickers and there respective industries in order to calculate multiple metrics for the specific industry as a whole.
There is also a market_share function that calculates the total revenue of an idustry and then plots pie charts and bar charts showing all the companies revenue as a percent of the total industries revenue.
```
import PyValuation as pv
stock = pv.RelativeValue('TICKER')
stock.market_share()
```
### PortfolioValuation
The PortfolioValuation class is used to evaluate an investors portfolio. The class takes as parameters a start date and end date, cash in the portfolio and uses the keyword arguments functionality of python for a user to input any amount of tickers as the keys and the quantity of shares as the value.
The PortfolioValuation class has methods portfolio_performance, asset_allocation and efficient_frontier.
1) portfolio_performance
The portfolio_performance method uses the pandas_datareader module to pull the stock prices of the given tickers for the specified time period then calculates and plots the cumulative return of the aggregated portfolio.
```
import PyValuation as pv
stock = pv.PortfolioValuation(start, end, TICKER = Quantity)
stock.portfolio_performance()
```
2) asset_allocation
The asset_allocation method visualises the holding in the portfolio as a percent of the aggregate capital in the portfolio as a pie chart.
```
import PyValuation as pv
stock = pv.PortfolioValuation(start, end, TICKER = Quantity)
stock.asset_allocation()
```
3) efficient_frontier
The efficient_frontier module takes as parameters a lower bound and upper bound for a target return level, and also takes in as an optional parameter the volatility of a portfolio along the effecient frontier.
The method returns a graph of the effecient frontier and if given the volatility parameter the method returns the weights of the optimal portfolio.
```
import PyValuation as pv
stock = pv.PortfolioValuation(start, end, TICKER = Quantity)
stock.efficient_frontier(.1, .3)
```
نیازمندی
| مقدار | نام |
|---|---|
| - | numpy |
| - | yfinance |
| - | pandas |
| - | bs4 |
| - | requests |
| - | numpy-financial |
| - | matplotlib |
| - | seaborn |
| - | pandas-datareader |
| - | datetime |
| - | plotly |
نحوه نصب
نصب پکیج whl PyValuation-0.1.2:
pip install PyValuation-0.1.2.whl
نصب پکیج tar.gz PyValuation-0.1.2:
pip install PyValuation-0.1.2.tar.gz