def METHOD_NAME(self, data):
    self._timestamp = self._parse_property(
        data, "timestamp", required=True, type=int
    )
    self._open = self._parse_property(data, "open", required=True, type=float)
    self._high = self._parse_property(data, "high", required=True, type=float)
    self._low = self._parse_property(data, "low", required=True, type=float)
    self._close = self._parse_property(data, "close", required=True, type=float)
    self._volume = self._parse_property(data, "volume", required=True, type=float)
    self._dividend = self._parse_property(
        data, "dividend", required=False, type=float
    )
    self._stock_splits = self._parse_property(
        data, "stock_splits", required=False, type=float
    )