From the historical London Fix data for 2009 on Kitco.com:
Gold went from a low of $810.00 USD an ounce on January 15, to a high of $1218.25 on December 3 — a 50% increase.
Platinum went from a low of $915.00 an ounce on January 15, to a high of $1500.00 on December 3 — a 64% increase.
Silver went from a low of $10.51 an ounce on January 15, to a high of $19.18 on December 2 — an 82% increase.
Palladium went from a low of $176.00 an ounce on January 15, to a high of $402.00 on December 31 — a 128% increase.
To those who say palladium has no historical use as a currency, consider that it has its own international currency code (XPD), along with gold (XAU), silver (XAG) and platinum (XPT), the Canadian Mint minted one ounce coins from 2005-2007 and in 2009, and you can purchase that and other palladium bullion here, and from other stores like Kitco.
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[...] been told that platinum has little to no historical use as a currency. As I wrote previously, platinum has an international currency code along with gold, silver and palladium. Since 1988, one ounce platinum coins from the Royal Canadian Mint have a legal tender value of [...]
Canada’s largest newspaper, The Star, finally informed its readers what I informed mine about two weeks ago. http://www.thestar.com/business/article/754976–olive-plenty-of-commodities-outperforming-gold
More comments at http://www.ronpaulforums.com/showthread.php?t=225998
Comments and voting at http://www.reddit.com/r/business/comments/anoad/the_best_performing_precious_metal_of_2009_not/