Set up positions export
Go to Tools → Administer → Data aggregation.

You may configure three options:
Save result into Tasks - check this box if you wish to see the positions export in Tasks.
Date offset - define how for many days earlier date you wish to create the material for. 0 means that it is for today’s positions, 1 yesterday, 2 the day before yesterday etc.
E-mail addresses (comma-separated) - enter one or more e-mail addresses, separated by a comma, if you wish to get the positions export by e-mail.