Nifty closed at 10231 with a gain of 63 points after witnessing extreme volatility throughout the day. The index is in an uptrend forming higher tops and bottoms on the daily chart. Technical indicators are positive and the index is trading above short and long term moving averages, indicating further gains to 10280-10300 if it sustains above 10250. However, a break below 10210 could see it decline to 10180-10060. The trend deciding level for the day is 10215, with potential upside to 10260-10285-10325 if above this level and downside to 10190-10150-10120 if below.