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This is what I see if I open the new popup window with my profile:

enter image description here

I think today's reputation should not be higher then week reputation. I got this result after these steps:

  1. I answered question and received 2 upvotes
  2. Somebody else answered the question. His answer was exact opposite of my answer and was accepted so I rashly decided to delete my answer and I also triggered reputation recalculation.
  3. I tried provided solution and I found that it doesn't work as expected. I undeleted my answer and modified it to explain what I found.
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I guess the values are cached. So wait a little bit. – Ladybug Killer Mar 20 '11 at 20:24
IMO it is "reputation leak". I expect that if I trigger reputation recalculation tommorow it will add +20. – Ladislav Mrnka Mar 20 '11 at 20:27
possible duplicate of New activity dropdown gives incorrect week total for reputation – waiwai933 Mar 20 '11 at 20:43
up vote 3 down vote accepted

I think meta needs some more detail around this, so I'll copy my answer from here:

It's not a different cut-off time, but rather how we calculate it, for "today" we count up the votes that happened today, where as with a week we track the net change throughout the week.

I'm going to look at changing this tomorrow (so that the day does the same as other intervals). There are pros/cons on both solutions, but the consistency might be worth it here.

Here's the common case that leads to this: A vote is deleted or undeleted that was previously created, this makes display a bit wacky since we don't show removed votes, or undeleted votes in the time they had the net effect, let's take an example:

  • May: someone votes your post up, +10
    • your rep goes up 10 for the week, month, etc.
  • June: say you edited later, someone removes that vote (or unaccepts an answer)
    • your rep goes down 5/10/15, etc for the week, month, etc.

Now from the day point of view (strictly looking at that range), your rep hasn't changed, no vote happened then. However, there was a net effect on your rep, it's just that the 10 rep was removed (looking overall) back in may...or rather it no longer happened.

We're not done with this, we're still refining the display, there will be more improvements this week, but I can't say for certain which direction they'll go...since it's not a simple temporal problem, both to calculate and display.

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