Nifty has been beating around the bush near the 17500-18000 level. Here we can see that nifty can sustain for a longer period of time if it wants to go higher than or even near to ATH(18600). But there's a downside level too i.e., 17350 and there has to be a tight range that nifty has to follow for a sustained period of time.
If 17350 breaks and nifty gave a closing below this crucial level then we can expect more downside.