“As both a collectible and competitive game, Magic: The Gathering has evolved its own primitive stock market,” says [Kelly] Reid.
"Magic cards fluctuate in value based on their use in tournaments played around the world. The game, created by mathematics professor Richard Garfield and launched in 1993, now boasts 6 million players worldwide according to Wizards of the Coast, Magic’s Hasbro-backed publisher. The most valuable card, Black Lotus, is currently worth $840, up 16% since the start of 2010. The S&P 500, by contrast, is up 12% over the same time period."