At the start of January 2000, the price of platinum per ounce was $433, compared to the price of $1,129, which it achieved on March 31, 2015. The lowest price was on November 7, 2001, when the price of platinum was $416. The highest price was on March 4, 2008, when the price reached $2,273.
These figures are from the precious metals retailer Kitco as well as from the websites of Manhattan Gold & Silver (a company that offers precious metal refining services), and Nasdaq.
From the start of 2000 until the middle of 2007, the price of platinum largely followed an upward trend, going from the $433 starting point to $1,292 on July 31, 2007. It then jumped over the next 7 months to its peak of $2,273 before falling again. By the end of 2008, the price of platinum was down to $898, and it had actually dropped below $800 during December 2008.
It then started to increase again steadily through to the middle of 2011. On August 31, 2011, the price was $1,845. The general trend for the price of platinum between the end of 2011 and the first quarter of 2015 was downward. The average price for platinum in 2011 was $1,721. In 2012, this had dropped to $1,551. It dropped again in 2013 to $1,476 and again in 2014 to $1,386.