Loading and Plotting Historical Cryptocurrency Bars

Summary

This example retrieves historical minute bars for a cryptocurrency symbol from a trading database, using an exchange, interval, and date range as query parameters. It then extracts each bar’s timestamp and closing price and plots the resulting price series with a grid. A second version repeats the workflow with a different database import and a slightly different starting date.

The material demonstrates a basic data inspection workflow that can help a researcher visualize a market’s historical path before further analysis. The shown output is a chart, but the text provides no interpretation, performance results, or test of any trading hypothesis. It also does not discuss data completeness, timezone handling, missing bars, adjustment conventions, or whether the requested period is actually available, so the plotted series should not be treated as validated research data on its own.

Key ideas

• Historical bars can be queried by instrument, exchange, interval, and date range.
• A simple price chart can be built from bar timestamps and closing prices.
• The example presents two similar loading approaches with different database imports.
• The chart is for visual inspection and does not establish a trading signal or result.
• Data quality and timestamp conventions are not addressed.

Tags

From a private course collection; the original is not published.