overperform
Verb
Meaning
To perform better than expected
(finance) Of an investment, to provide a financial result superior to what was expected.
Source: en.wiktionary.orgAntonyms
Examples
Democrats really expected our Senate candidates to overperform Biden.
White voters overperform in their support for white supremacist candidates and white folks must grapple with the reasons as we determine what the story of 21st century American politics will be.