Trend is forming a similar structure to bullish ascending triangle and moving in a channel. One can look for bullish setup. Right now, entering at the current levels would be risky because short-term trend looks still bearish. If you blindly enter, then trent can become your enemy. :p
Around 632 seems firm support, it might be difficult to break those levels.
For such simple and highly accurate setups see my other charts. Thank you.

Regards.
Chart PatternsNIFTYnifty50Trend AnalysistrentWave Analysis

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