help me

## models.py

class StockPrice(models.Model):
    date = models.DateField(db_index=True, verbose_name='Дата')
    ticker = models.ForeignKey(Stock, on_delete=models.CASCADE, verbose_name='Индентификатор')
    open = models.DecimalField(verbose_name='Цена открытия', max_digits=19, decimal_places=6)
    high = models.DecimalField(verbose_name='Максимальная цена', max_digits=19, decimal_places=6)
    low = models.DecimalField(verbose_name='Минимальная цена', max_digits=19, decimal_places=6)
    close = models.DecimalField(verbose_name='Цена закрытия', max_digits=19, decimal_places=6)
    volume = models.IntegerField(verbose_name='Объём торгов')

## api/serializers.py

class StockPriceSerializer(serializers.ModelSerializer):
    class Meta:
        model = StockPrice
        fields = ['date', 'close']

## api/views.py
@api_view(['GET'])
def stock_quotes(request, ticker):
    stock = Stock.objects.get(ticker=ticker)
    prices = StockPrice.objects.filter(ticker=stock)
    serializer = serializers.StockPriceSerializer(prices, many=True)
    return Response(serializer.data)