Sorry, I couldn't find pricing data for that day. The closing price for the S&P 500 (GSPC) on December 27, 2019 was $3,240.02. It was down 0.2% for the day. The latest price is $7,525.57.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 27 2019 | $3,247.23 | $3,247.93 | $3,234.37 | $3,240.02 | 2,429,150,000 |
Daily pricing data for the S&P 500 dates back to 12/30/1927, and may be incomplete.