def METHOD_NAME(
    self, axes: plt.Axes | None = None, title: str | None = None
) -> plt.Figure:
    """
    Plot the cointegration residuals.
    Parameters
    ----------
    axes : Axes, default None
        matplotlib axes instance to hold the figure.
    title : str, default None
        Title for the figure.
    Returns
    -------
    Figure
        The matplotlib Figure instance.
    """
    resid = self.resid
    df = pd.DataFrame(resid)
    title = "Cointegrating Residual" if title is None else title
    ax = df.METHOD_NAME(legend=False, ax=axes, title=title)
    ax.set_xlim(df.index.min(), df.index.max())
    fig = ax.get_figure()
    fig.tight_layout(pad=1.0)
    return fig