If PayPal keeps winning, so, too, will eBay (EBAY 0.61%) stock investors.

What can we expect from the payments platform when the auctioneer reports earnings on April 17? Outsized growth seems likely. Despite growing competition from Square, Google (GOOGL 1.27%), and even Groupon (GRPN 10.02%), PayPal handled 700 million payments transactions and served 123 million active accounts in the fourth quarter. Investors should be looking for meaningful growth in both figures in the Q1 report.

For its part, Wall Street is expecting first-quarter revenue to grow 14.9% to $3.76 billion, resulting in $0.62 of profit per share. The company has marginally beaten earnings estimates in each of the past four quarters, according to data supplied by Yahoo! Finance. eBay stock is up more than 61% over that period.

Would a bigger beat help eBay stock rally further? Tim Beyers of Motley Fool Rule Breakers and Motley Fool Supernova weighs in on this question in the video below. Please watch and then leave a comment to let us know what you whether you would buy, sell, or short eBay stock at current prices.