Julks was recalled to the majors Friday by the White Sox.
The White Sox acquired Julks from the Astros on Wednesday in exchange for right-hander Luis Rodriguez.
Julks was designated for assignment by the Astros on Friday, Julia Morales of AT&T SportsNet Southwest reports.
The Astros optioned Julks to Triple-A Sugar Land on Wednesday.
Houston optioned Julks to Triple-A Sugar Land on Tuesday.
Julks was called up by the Astros on Saturday, Chandler Rome of The Athletic reports.
Julks was optioned to Triple-A Sugar Land on Monday, Chandler Rome of The Athletic reports.
Julks remains out of the lineup Friday versus the Yankees.
Julks is not in the lineup Thursday against the Yankees.
Julks is out of the lineup for Sunday's game versus the Rays, Brian McTaggart of MLB.com reports.