Sorry, I couldn't find pricing data for that day. The closing price for Apple (AAPL) on October 19, 2018 was $52.00. It was up 0.6% for the day. The latest price is $245.27.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
October 19 2018
$51.70
$52.46
$51.56
$52.00
132,314,800
Daily pricing data for Apple dates back to 12/12/1980, and may be incomplete.