Sorry, I couldn't find pricing data for that day. The closing price for silver (XAG) on December 31, 2011 was $27.70.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 31 2011 | $27.70 | $27.70 | $27.70 | $27.70 | 1 |
Daily pricing data for silver dates back to 7/1/1982, and may be incomplete.