NEW YORK (TheStreet) -- GrubHub (GRUB) - Get Report stock is advancing 11.79% to $21.33 on heavy trading volume on Thursday morning after the company reported financial results that exceeded expectations for the 2015 fourth quarter.

Before today's market open, the company, which operates online platforms for food ordering and delivery, posted earnings of 19 cents per share for the quarter ended December 31, beating estimates of 14 cents per share.

Revenue increased 36% year-over-year to $99.96 million for the latest quarter, surpassing expectations of $99.42 million in revenue.

Chicago-based GrubHub had 6.75 million active diners, or unique diner accounts that placed an order in the past year, up 34% from 5.03 million for the 2014 fourth quarter.

Daily Average Grubs, which measures the average number of revenue generating orders for the quarter, increased 19% in the same period to 241,800 orders per day.

So far today, 5.14 million shares of Grub Hub have exchanged hands, compared with its average daily volume of 2.16 million shares.

TheStreet Recommends

Separately, GrubHub has a "sell" rating and a letter grade of D at TheStreet Ratings because of the company's disappointing stock performance and weak operating cash flow.

You can view the full analysis from the report here: GRUB

TheStreet Ratings objectively rated this stock according to its "risk-adjusted" total return prospect over a 12-month investment horizon. Not based on the news in any given day, the rating may differ from Jim Cramer's view or that of this articles's author.

Image placeholder title

GRUB

data by

YCharts