Mean Reversion in Nifty

Usually in the past, Nifty is seen hugging the 200 Day Moving Average. Historically, Nifty is seen touching the 200 Day MA atleast once in a couple or 3 years once. However over the last 3 years, it still has not come close to the current 200 Day MA which is around 9900. I see the index mean reverting in the next 6 months or so.
Beyond Technical AnalysisChart Patterns

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