Sorry, I couldn't find pricing data for that day. The closing price for Walmart (WMT) on July 31, 2020 was $40.07. It was down 0.2% for the day. The latest price is $101.18.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
July 31 2020
$40.15
$40.28
$39.52
$40.07
21,631,500
Daily pricing data for Walmart dates back to 8/25/1972, and may be incomplete.