The Law Dictionary

Featuring Black’s Law Dictionary Free Online Legal Dictionary 2nd Ed.


a security’s value percentage allowed to be collateral for a purchase financing loan. the margin requirement is 50 percent In the US of the bonds or shares value. For options, the premium of the underlying asset’s value varies plus 10 to 20 percent. This is known as an option margin.


Nothing implied or stated on this page should be construed to be legal, tax, or professional advice. The Law Dictionary is not a law firm and this page should not be interpreted as creating an attorney-client or legal adviser relationship. For questions regarding your specific situation, please consult a qualified attorney.