Sorry, I couldn't find pricing data for that day. The closing price for Tesla (TSLA) on August 14, 2020 was $110.05. It was down 0.9% for the day. The latest price is $489.79.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
August 14 2020
$111.00
$111.25
$108.44
$110.05
188,664,344
Daily pricing data for Tesla dates back to 6/29/2010, and may be incomplete.