Financial Data Sources

Financial data flows from countless sources, each serving different purposes. Understanding this ecosystem helps you choose the right data for your analysis.

The Data Landscape

What Data Is Available?

Simulating Real Data Access

Since we can't access external APIs in the browser, we'll simulate how you would work with real data:

Building a Data Retrieval Function

Practice: Calculate Return Statistics

Key Takeaways

• Free data sources like yfinance provide professional-quality data
• Price data comes in various frequencies (tick, minute, daily)
• Fundamental data includes financial statements and ratios
• Economic data from FRED helps understand macro environment
• Build reusable functions to standardize data retrieval

Next, we'll learn about Exploratory Data Analysis (EDA) techniques!