Untitled

// Hacim hesaplama fonksiyonu
calculateVolumes(symbol) =>
    float upVolumeSum = 0.0
    float downVolumeSum = 0.0

    [closeData, volumeData] = request.security(symbol, timeframePeriod, [close, volume])

    for i = 0 to lookbackPeriod - 1
        upVolumeSum += (closeData[i] > closeData[i + 1] ? volumeData[i] : 0)
        downVolumeSum += (closeData[i] < closeData[i + 1] ? volumeData[i] : 0)