TY - THES AU - Perez CaƱon, Natalia PY - 2014 UR - http://hdl.handle.net/10818/11528 AB - This paper the bid-ask spread for options over the standard and poor index pof chicago boar option eschange (CBOE) and how explained by th greek letters ootions based on Maria E. de Boirie Yong o kim. Simon J Park. the contribution of this paper is to... LA - en PB - Universidad de la Sabana KW - Indice de precios -- Estados Unidos KW - Oferta y demanda -- Indice de precios KW - Cambio exterior -- Indice de precios TI - Risk mearures and bid-ask spreads of options over standard and poor index ER -