Mumbai, Aug 18 - A key index of Indian equities markets Tuesday ended trade 250 points in the green, a day after it lost 627 points owing to a selling spree which was prevalent across global markets.

The 30-scrip sensitive index (Sensex) of the Bombay Stock Exchange (BSE), which opened lower at 14,745.8 points, ended at 15,035.26 points, up 250.34 points or 1.69 percent.

The Nifty of the National Stock Exchange (NSE) also closed in the green, gaining 1.62 percent from its previous closing figure to end at 4,458.9 points.

Investors, however, remained wary of more corrections likely to happen in next few days.

The NSE's Volatility Index - a measure of the market's expectation of volatility over the short term - stood at 45.04 points Tuesday, higher than the 35-point mark that indicates risk.

Broader market indices closed in the positive terrain, with the BSE midcap index ending 2.06 percent up, while the the BSE smallcap index closed 2.09 percent higher.

The market breadth was positive, with 1,741 stocks advancing, 896 declining and 78 remaining unchanged.

Of the 30 stocks on the Sensex, 26 ended on the gainer's list. Prominent among them were: Hindalco, up 6.08 percent at Rs.106.35; Jaiprakash Associates, up 4.