also: うえぶれ
noun, noun or participle which takes 'suru'
upside surprise; upward swing; better-than-expected result
Used in economic, financial, and business contexts to describe an outcome that exceeds expectations or forecasts, such as higher growth, inflation, or earnings. Often contrasted with 下振れ (downside surprise).
今月の経済指標は上振れした。
This month's economic indicators came in above expectations.
インフレ率が上振れ
There is a risk that the inflation rate will overshoot.