Sorry, I couldn't find pricing data for that day. The closing price for Tesla (TSLA) on January 18, 2019 was $20.15. It was down 6.4% for the day. The latest price is $278.95.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
January 18 2019
$21.53
$21.81
$19.98
$20.15
362,261,384
Daily pricing data for Tesla dates back to 6/29/2010, and may be incomplete.