That pattern looks similar to this pattern.
Technical Analysis theory says that Right Angled descending triangles are bearish. (Though I have experienced exactly opposite behavior in intra-day charts.)
Nifty is moving between 200 days EMA (violet- 5747) and 50 days EMA (red -5504).- Choppy range. Accordingly, it will be strong above 5750 and weak below 5500. Good 250 points range for day traders.
MACD gave SELL signal on Friday.