laratrade / indicators

use Laratrade\Indicators\Exceptions\NotEnoughDataException;

use Throwable;

class AverageDirectionalMovementIndexIndicator implements Indicator

{

    /**

     * Invoke the indicator.

     *

     * @param Collection $ohlcv

     * @param int        $timePeriod

     *

     * @return int

     *

     * @throws Throwable

     */

    public function __invoke(Collection $ohlcv, int $timePeriod = 14): int

    {

        $adx = trader_adx(

            $ohlcv->get('high'),

            $ohlcv->get('low'),

            $ohlcv->get('close'),

            $timePeriod

        );

        throw_unless($adx, NotEnoughDataException::class);

        $adxValue = array_pop($adx);

        if ($adxValue > 50) {

            return static::BUY;

        } elseif ($adxValue < 20) {

            return static::SELL;

        }

        return static::HOLD;

    }

}

use Laratrade\Indicators\Exceptions\NotEnoughDataException;

use Throwable;

class CommodityChannelIndexIndicator implements Indicator

{

    /**

     * Invoke the indicator.

     *

     * @param Collection $ohlcv

     * @param int        $timePeriod

     *

     * @return int

     *

     * @throws Throwable

     */

    public function __invoke(Collection $ohlcv, int $timePeriod = 14): int

    {

        $cci = trader_cci(

            $ohlcv->get('high'),

            $ohlcv->get('low'),

            $ohlcv->get('close'),

            $timePeriod

        );

        throw_unless($cci, NotEnoughDataException::class);

        $cciValue = array_pop($cci);

        if ($cciValue < -100) {

            return static::BUY;

        } elseif ($cciValue > 100) {

            return static::SELL;

        }

        return static::HOLD;

    }

}

use Laratrade\Indicators\Exceptions\NotEnoughDataException;

use Throwable;

class MoneyFlowIndexIndicator implements Indicator

{

    /**

     * Invoke the indicator.

     *

     * @param Collection $ohlcv

     * @param int        $timePeriod

     *

     * @return int

     *

     * @throws Throwable

     */

    public function __invoke(Collection $ohlcv, int $timePeriod = 14): int

    {

        $mfi = trader_mfi(

            $ohlcv->get('high'),

            $ohlcv->get('low'),

            $ohlcv->get('close'),

            $ohlcv->get('volume'),

            $timePeriod

        );

        throw_unless($mfi, NotEnoughDataException::class);

        $mfiValue = array_pop($mfi);

        if ($mfiValue < -10) {

            return static::BUY;

        } elseif ($mfiValue > 80) {

            return static::SELL;

        }

        return static::HOLD;

    }

}