NEW YORK ( TheStreet) -- Shares of Interval Leisure Group (Nasdaq: IILG) were gapping up Wednesday morning with an open price 12.9% higher than Tuesday's closing price. The stock closed at $17.54 Tuesday and opened today's trading at $19.80. The average volume for Interval Leisure Group has been 203,200 shares per day over the past 30 days. Interval Leisure Group has a market cap of $986.2 million and is part of the services sector and diversified services industry. Shares are up 28.2% year to date as of the close of trading on Tuesday. Interval Leisure Group, Inc., together with its subsidiaries, provides membership and leisure services to the vacation industry in the United States, the United Kingdom, and internationally. The company operates through two segments, Membership and Exchange, and Management and Rental. The company has a P/E ratio of 24.6, equal to the average diversified services industry P/E ratio and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Interval Leisure Group as a buy. The company's strengths can be seen in multiple areas, such as its solid stock price performance, increase in net income, revenue growth, reasonable valuation levels and growth in earnings per share. We feel these strengths outweigh the fact that the company has had generally poor debt management on most measures that we evaluated. You can view the full Interval Leisure Group Ratings Report. Get more investment ideas from our investment research center.