Sorry, I couldn't find pricing data for that day. The closing price for McDonald’s (MCD) on December 31, 1969 was $0.006. It was up 3.8% for the day. The latest price is $300.99.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
December 31 1969
$0.005
$0.006
$0.005
$0.006
1,895,400
Daily pricing data for McDonald’s dates back to 7/5/1966, and may be incomplete.