A single day with a large negative reputation change can affect the graph's appearance more than I'd like it to. After offering a few bounties yesterday, my graph now looks like this:
This seems silly. For the sake of displaying single day's data, the scale is dramatically changed.
In a month it will drop off the default graph, but my all-time graph will look silly forever:
Personally, when I'm looking at my rep graph I'm more interesting in the rep I've gained, rather than what I've given away. The first improvement that occurred to me was be something like this, though wouldn't be able to display values when you've zoomed out very much:
Obviously this isn't a priority, but it's something that could be improved. Does anyone else have any comments or suggestions?