``The trend deciding level for the day is 18,315/5,572 levels. If Nifty trades above this level during the first half-an-hour of trade then we may witness a further rally up to 18,397- 18,504/5,599 - 5,634 levels. However, if Nifty trades below 18,315/5,572 levels for the first half-an-hour of trade then it may correct up to 18,208- 18,126/5,537 - 5,511 levels,`` said Angel Broking while commenting on the market outlook today.
Trend deciding level for the day is 18,315/5,572: