undermargining

Verb

undermargin (third-person singular simple present undermargins, present participle undermargining, simple past and past participle undermargined)

1. To fall below margin; to create an undermargin.
   • In view of the second aspect of its control function, the Federal Reserve Board prohibits, with specified limited exceptions, the wisthdrawal of securities from general accounts where such withdrawals would undermargin such accounts.1973, American jurisprudence: a modern comprehensive text statement of American Law, State and Federal, Volume 69, page 852
2. To buy less on margin than one can afford.
   • Finally, exchanges need to be wary of adverse selection — positions that are undermargined would be heavily used while those that are overmargined would be less popular.2010, Robert W. Kolb, Lessons from the Financial Crisis, →ISBN

See all 5 meanings of undermargin