Script files

The TAQ data query scripts are located in subdirectories of the $RAP30/Scripts directory on the server. See the table below for a description of each script file.

Script name

Description

tick_qry1.sql

Get all ticks for a specified set of 100 securities for a specified three-hour time period on a specified trade date.

tick_qry2.sql

Determine the volume-weighted price of a security considering only the ticks in a specified three-hour interval.

tick_qry3.sql

Determine the top 10 percentage losers for the specified date on the specified exchanges, sorted by percentage loss. The loss is calculated as a percentage of the last trade price of the previous day.

tick_qry4.sql

Determine the top 10 most active stocks for a specified date, sorted by cumulative trade volume, by considering all trades.

tick_qry5.sql

Find the most active stocks in the COMPUTER industry (use SIC code).

tick_qry6.sql

Find the 10 stocks with the highest percentage spreads. Spread is the difference between the last ask-price and the last bid-price. Percentage spread is calculated as a percentage of the bid-point price (average of ask and bid price).

NoteAn additional SQL script setup_tick_qry3_last_price.sql should be run on the RAPCache database at the end of each trading day to capture the last price of that day. This data is referenced by tick_qry3.sql. For more information, see “setup_tick_qry3_last_price.sql”.