Related questions
Given that the market is unclear (as seen in the previous comments), and how the market price clearly indicates that most traders did not agree on an interpretation of the question, three of the mods discussed it and have decided to N/A it.
While "being VP of Biden at any point in 2025, including before inauguration" seems like by far the most sane literal/textual interpretation, the question was evidently unclear enough that most of the market didn't read it that way.
Kamala Harris’ term as Vice President ends January 20, 2025. If she is still Vice President under Biden on January 1 this can resolve to YES
Given how high this market has was in the past, this seems to be the correct interpretation… Nothing has necessarily changed given Biden is not running for reelection.
(They haven't been active in the past 3 months so may need to call mods but will give them a chance first)