(PECL trader >= 0.2.0)
trader_sar — Parabolic SAR
$high
,$low
,$acceleration
= ?,$maximum
= ?
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.