Php/docs/function.trader-natr
From Get docs
trader_natr
(PECL trader >= 0.2.0)
trader_natr — Normalized Average True Range
Description
trader_natr
( array $high
, array $low
, array $close
[, int $timePeriod
] ) : array
Parameters
high
- High price, array of real values.
low
- Low price, array of real values.
close
- Closing price, array of real values.
timePeriod
- Number of period. Valid range from 2 to 100000.
Return Values
Returns an array with calculated data or false on failure.