Trades to love this Valentine’s Day

Whether you plan to spend Valentine's Day with your significant other at an overpriced restaurant or drinking your sorrows away solo at the bar, there's profit to be made.

Using data from analytics firm Kensho, we looked for the most-loved stocks over the last 10 decades' worth of Valentine's Days.

Five days ahead of the holiday, think about stocks for your portfolio like you would a gift for your loved one. For both — you can't go wrong with flowers, chocolates and jewelry.

Read MoreTop trades to ring in the Chinese New Year sells and delivers millions of roses leading up to Feb. 14. And historically, its stock has seen a nice boost, too.

The best of the chocolate stocks have been Hershey's and General Mills. Five days ahead of Valentine's Day, they have also been consistent market winners. But beware Tootsie Roll and Rocky Mountain Chocolate Factory — their returns have been more of the sour type.

And everyone knows you can't go wrong with a little blue box. Tiffany & Co. typically sees a lot of investor love ahead of Valentine's Day, while jewelers Zale and Signet are less reliable market bets.

Amazon knows buying the right Valentine's Day gift is tough. So the e-commerce giant has an entire online store dedicated to the holiday, as well as deals that offer 75 percent off jewelry and free one-day shipping. Investors love its Valentine's Day positioning, too — reliably pushing the stock up ahead of the holiday.

Finally, if you're single this Valentine's Day, there's always the bar. Spirits giant Diageo is another good bet. The stock has traded positive in the week leading up to Feb. 14 eight of the last 10 years.

As always, past performance is no guarantee of future results. But if your portfolio is in need of a little love, these trades may be just in time for Valentine's Day.

DISCLOSURE: NBC Universal, the parent of CNBC, owns a minority stake in Kensho.