trader_sar

(PECL trader >= 0.2.0)

trader_sar — Parabolic SAR

trader_sar(
    array $high,
    array $low,
    float $acceleration = ?,
    float $maximum = ?
): array

high: 高价，浮点数数组。
low: 低价，浮点数数组。
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.

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