Definition: The market value of an option, less its model value, using the ATM implied vol for the same expiration. Application:' zeta' is a measure of the importance of using the volatility smile, rather than only the ATM volatility.
Barry Goldsmith
| APA | Barry Goldsmith. (2010). zeta. Retrieved September 26, 2026, from http://smartdefine.org/zeta/definitions/1166785 |
| Chicago | Barry Goldsmith. 2010. "zeta" http://smartdefine.org/zeta/definitions/1166785 (accessed September 26, 2026). |
| Harvard | Barry Goldsmith 2010, zeta, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/zeta/definitions/1166785>. |
| MLA | Barry Goldsmith. "zeta" 21 October 2010. Web. 26 September 2026. <http://smartdefine.org/zeta/definitions/1166785> |