Shares are slowly but steadily climbing in the last 30 days. Shares are now 2.8% higher than last month. The chart is a solid bull trend. In fact, the stock appreciated over 9% in the last year, and the average analyst target price for Walgreen is $38.82. Currently, the short interest based on the float is inconsequential and not a big concern. Short interest is 2.6%, just enough to keep short sellers up at night.