TradeStation Help

About Extended Historical Data

In TradeStation, an extensive online database provides historical market data that can be used for back-testing and analysis over extended time periods. Daily and all intraday data for up to a year back from the current date is available on-demand for use in charts and other data windows. Additional data for previous time periods is offered for download at a later time based on user selected criteria (see About Download Scheduler).

• Stocks - Tick-by-tick data is available for thirty days back, one-minute data for ten years back, and daily data for more than 30 years back.