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Don't buy this Nintendo-Apple hype, history shows

A statue of Nintendo's video-game character Mario
Akio Kon | Bloomberg | Getty Images
A statue of Nintendo's video-game character Mario

Using Kensho, CNBC PRO ran a search to find out what happens after a one-day spike in the price of Nintendo, whose U.S. shares surged Wednesday after Apple said a Mario game was coming to iOS.

In the last decade, the Japanese shares of Nintendo jumped by 10 percent or more in a single day on six occasions.


On average, 30 days later the stock was 2.7 percent lower. It was only positive a third of the time 30 days out.

Bottom line: History says don't buy this Nintendo spike.

(The company's ADRs generally trade in line with the Japanese shares, excluding any currency changes.)

— CNBC's parent NBCUniversal is a minority investor in Kensho.