(PECL trader >= 0.2.0)
trader_sar — Parabolic SAR
$high
, array $low
, float $acceleration
= ?
, float $maximum
= ?
) : array
high
高値。実数値の配列。
low
安値。実数値の配列。
acceleration
Acceleration Factor used up to the Maximum value. Valid range from 0 to TRADER_REAL_MAX.
maximum
Acceleration Factor Maximum value. Valid range from 0 to TRADER_REAL_MAX.
Returns an array with calculated data or false on failure.