An uptrend, which is a series of higher swing highs and higher lows, reverses into a downtrend by changing to a series of lower highs and lower lows. A downtrend, which is a series of lower highs and lower lows, reverses into an uptrend by changing to a series of higher highs and higher lows.
In the current case, the Nifty is making LH LL and hence, it is possible that Nifty may turn to red and close below 17500 (if not broke 17565-70).
PS: Kindly discuss with your financial advisory before taking any trade!!