Price to Book Ratio Example - Using Programming for Fundamental Investing Part 3

TL;DR

Learn how to use Python programming to scrape price-to-book ratios from Yahoo Finance using basic splitting functions.

Transcript

you hello and welcome to the third fundamental investing with use of programming tutorial where we left off over showing you guys how to at least view the data in your browser as far as like what we're looking for and eventually we will look for other pieces of data but right now the first thing we're going to be interested in is this price-to-book... Read More

Key Insights

• 👻 Python programming allows scraping of specific data from web sources like Yahoo Finance.
• 👨‍💻 Inspecting the HTML source code is crucial in identifying the desired data to scrape.
• ℹ️ Splitting functions can be used to extract relevant information from the source code.
• 📚 Importing libraries enhances the functionality and efficiency of Python programs.
• 📙 The tutorial provides a basic scraping program for price-to-book ratios but can be expanded to screen for stocks within specific ranges.
• 🏃 Saving the program with a .py extension is essential for running the Python script.
• 👂 The S&P 500 stocks and a shorter stock list are provided in the tutorial.

Questions & Answers

Q: What is the purpose of importing libraries in Python programming?

Importing libraries allows programmers to access pre-written code and functions, saving time and effort in coding from scratch. In this tutorial, the 'time', 'urllib', and 'urllib2' libraries are imported to perform necessary tasks.

Q: How does the splitting function work in extracting price-to-book ratios?

The splitting function is used to break down the HTML source code into smaller segments. By specifying certain elements to split by (e.g., 'price-to-book'), the desired data can be isolated. In this tutorial, the splitting function is used twice to extract the ratio value.

Q: Can the scraping function be applied to stocks other than Chipotle?

Yes, the function shown in the tutorial is not specific to Chipotle but can be used for any stock. By providing a stock symbol as an argument, the function can scrape the corresponding price-to-book ratio.

Q: How can the scraping program be modified to screen for specific ratio values?

The next video in the tutorial series explains how to incorporate an entire list of stocks and set criteria for the printed output. By implementing conditional statements, the program can filter and display stocks with price-to-book ratios within a specific range.

Summary & Key Takeaways

• The tutorial demonstrates how to extract price-to-book ratios from Yahoo Finance using Python programming.

• The process involves inspecting the HTML source code of the webpage, finding the desired data, and using the split function to extract the ratios.

• The tutorial provides step-by-step instructions on importing necessary libraries and defining a function for scraping the data.