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Please add the ability to have another measure of volatility without candle wicks for thin markets.

For each candle:
Abs(close - open) / ((close + open) / 2)

Then average each candles values over each time trend window using a simple moving average.

The formula is similar to BBWIDTH, in that it takes a range and divides by the middle.
In this case, the absolute range of the candle body, ignoring negatives:
abs(close - open)

and divides that by the candle body’s midpoint:
(close + open) / 2