NSE:NIFTY   Nifty 50 Index
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1
3 mo cycle starting 23-Nov-20 (midpoint / top 07-Jan-21)
6.2 mo cycle starting 01-Dec-20 (midpoint / top 05-Mar-21)
17 mo cycle starting 23-Mar-20 (midpoint / top 03-Dec-20)
4.5 yr cycle starting 28-May-18 (midpoint / top 20-Aug-20)
9.1 yr cycle starting 18-Apr-16 (midpoint/ top 05-nov-20)
18 yr cycle starting 23-mar-09 (midpoint 25-Mar-18)

All combined indicate significant correction between 1st week of Dec-20 till Mar-21.