Investors focused on the Retail-Wholesale space have likely heard of Walgreens Boots Alliance (WBA), but is the stock performing well in comparison to the rest of its sector peers? A quick glance at the company's year-to-date performance in comparison to the rest of the Retail-Wholesale sector should help us answer this question.Walgreens Boots Alliance is one of 155 individual stocks in the Retail-Wholesale sector. Collectively, these companies sit at #3 in the Zacks Sector Rank. The Zacks Sector Rank includes 16 different groups and is listed in order from best to worst in terms of the average Zacks Rank of the individual companies within each of these sectors.The Zacks Rank is a successful stock-picking model that emphasizes earnings estimates and estimate revisions. The system highlights a number of different stocks that could be poised to outperform the broader market over the next one to three months. WBA is currently sporting a Zacks Rank of #2 (Buy).The Zacks Consensus Estimate for WBA's full-year earnings has moved 1.17% higher within the past quarter. This means that analyst sentiment is stronger and the stock's earnings outlook is improving.Our latest available data shows that WBA has returned about 6.51% since the start of the calendar year. Meanwhile, stocks in the Retail-Wholesale group have gained about 6.08% on average. This means that Walgreens Boots Alliance is performing better than its sector in terms of year-to-date returns.Looking more specifically, WBA belongs to the Retail - Pharmacies and Drug Stores industry, which includes 7 individual stocks and currently sits at #22 in the Zacks Industry Rank. On average, this group has gained an average of 6.68% so far this year, meaning that WBA is slightly underperforming its industry in terms of year-to-date returns.Going forward, investors interested in Retail-Wholesale stocks should continue to pay close attention to WBA as it looks to continue its solid performance.Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Walgreens Boots Alliance, Inc. (WBA): Free Stock Analysis Report To read this article on Zacks.com click here.