Using a date x-axis that are being autoscaled outside the initial data range due to the added vline then the first (and only the first) data label gets no rotation. That the dates are rotated as in ...

It is possible to set a logarithmic scale for one or both axes. This functionality is in fact only one application of a more general transformation system in Matplotlib. Each of the axes' scales are ...

Who should read this article: In this article we describe internal workings of the time axis (the x-axis) when plotting Time-Series data in general, and Financial Markets Data in particular. However, ...