Sorry, I couldn't find pricing data for that day. The closing price for Netflix (NFLX) on July 31, 2015 was $114.31. It was up 2.1% for the day. The latest price is $1,100.24.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
July 31 2015
$111.95
$115.00
$111.15
$114.31
16,349,070
Daily pricing data for Netflix dates back to 5/23/2002, and may be incomplete.