Sorry, I couldn't find pricing data for that day. The closing price for Apple (AAPL) on December 31, 2018 was $37.39. It was down 0.5% for the day. The latest price is $345.86.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 31 2018 | $37.58 | $37.78 | $37.10 | $37.39 | 140,014,000 |
Daily pricing data for Apple dates back to 12/12/1980, and may be incomplete.