Negative obligation

Definition:

A New York Stock Exchange rule that governs the behavior of specialists. Negative obligation is the mandate of the specialists not trade for the specialist's firm's own account when enough public investor orders exist to match up naturally -- without intervention. An example of violating negative obligation is Trading Ahead. Also see positive obligation.

Investing Essentials


Copyright © 2011 Campbell R. Harvey, Professor of Finance, Fuqua School of Business at Duke University

Term of the Day

Implied volatility

The expected volatility in a stock's return derived from its option price, maturity date, exercise price, and riskless rate of return, using an option pricing model such as Black-Scholes.

Subscribe to the Term of the Day via email Get the Term of the Day in your inbox!


Create your free portfolio