This document provides instructions for using the vLookup function in Excel to retrieve stock price data from a historical quotes table for JPMorgan Chase. It describes downloading historical stock price data to a spreadsheet, formatting and organizing the table, and then using vLookup to find the adjusted closing prices for specific dates by searching the date column and returning values from the adjusted closing price column. The vLookup formula is dragged down to automatically retrieve prices for multiple dates without having to retype the formula.