Dating is seriously not easy relevant
This adustment is done so that your algorithm can do meaningful calculations using the values in the window.Quantopian also provides access to fundamental data, free of charge.It is also used for analyzing the past performance of algorithms.
The datasets available include market-wide indicators like sentiment analysis, as well as industry-specific indicators like clinical trial data.
This section covers each of these components and concepts in greater detail.
We have minute-bar historical data for US equities and US futures since 2002 up to the most recently completed trading day (data uploaded nightly).
Algorithms can also be simulated using live data, also known as paper trading.
All of these tools use the data provided by Quantopian: US equity price and volumes (minute frequency), US futures price and volumes (minute frequency), US equity corporate fundamentals, and dozens of other integrated data sources.