According to the FAQ, downvote arrows only occur after you reach a certain karma threshold. A long time ago, this was bumped to 200, and about a year ago (Octo

According to the FAQ, downvote arrows only occur after you reach a certain karma threshold. A long time ago, this was bumped to 200, and about a year ago (October 31, 2010), that was again increased to 500: http://news.ycombinator.com/item?id=1853529 http://news.ycombinator.com/item?id=1853529 I believe that the marker is still at 500.