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(PECL trader >= 0.2.0)
trader_sarext — Parabolic SAR - Extended
$high
, array $low
[, float $startValue
[, float $offsetOnReverse
[, float $accelerationInitLong
[, float $accelerationLong
[, float $accelerationMaxLong
[, float $accelerationInitShort
[, float $accelerationShort
[, float $accelerationMaxShort
]]]]]]]] )
high 高价,浮点数数组。
low 低价,浮点数数组。
startValue Start value and direction. 0 for Auto, >0 for Long, <0 for Short. Valid range from TRADER_REAL_MIN to TRADER_REAL_MAX.
offsetOnReverse Percent offset added/removed to initial stop on short/long reversal. Valid range from 0 to TRADER_REAL_MAX.
accelerationInitLong Acceleration Factor initial value for the Long direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationLong Acceleration Factor for the Long direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationMaxLong Acceleration Factor maximum value for the Long direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationInitShort Acceleration Factor initial value for the Short direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationShort Acceleration Factor for the Short direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationMaxShort Acceleration Factor maximum value for the Short direction. Valid range from 0 to TRADER_REAL_MAX.
Returns an array with calculated data or false on failure.