How do i calculate the 30 day average daily range?

General
2

Take the sum of closing prices of the last 30 days and divide it by 30 You’ll get the avg… The range can be calculated by 30 days high-30 days low.

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3

Download the EOD data for last 3 months from NSE website.

Using excel find out the range of each day

Range = Day’s High - Day’s Low

Take the average of all 30 days.

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4

Try the indicator ATR (Average True Range)

5

Are you asking in NEST?

There is Moving Average indicator in Nest. You can specify number of periods(eg: 30). By the way, you have to see this on daily chart. To view daily chart right click on the chart select Interval and Configure(d) or right click and choose historical as 3 months to see daily chart. On this chart you can plot 30day MA.