The header line of my Stack Overflow account states that I have 62 reputation points, but when I look at the reputaton graph in my profile, it ends at 55.
Is this a bug, or am I missing something?
At the moment you have a reputation of 67. It is comprised of:
The reputation graph does only show reputation earned through other users actions, so you do not see there the initial point and the accept rewards.
Therefore the reputation graph shows a gained reputation of 60.
The graph only show the reputation you gained in the last days, or between start date and end date you provided(but for maximum 90 days).