Sorry, I couldn't find pricing data for that day. The closing price for the Dow Jones Industrial Average (DJI) on May 15, 2020 was $23,685.42. It was up 1% for the day. The latest price is $46,305.61.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
May 15 2020
$23,454.83
$23,730.08
$23,354.15
$23,685.42
495,179,288
Daily pricing data for the Dow Jones Industrial Average dates back to 1/2/1950, and may be incomplete.