Volatility Indicator Functions

ATR - Average True Range

NOTE: The ATR function has an unstable period.

real = ATR(high, low, close, timeperiod=14)

NATR - Normalized Average True Range

NOTE: The NATR function has an unstable period.

real = NATR(high, low, close, timeperiod=14)

TRANGE - True Range

real = TRANGE(high, low, close)

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