English Abstract: This study investigates the informational role of thin options markets, specifically the Spanish options market. Firstly, we examine the effect of options markets by analysing stock market reaction to earnings news, conditional on the availability of options markets. Secondly,...

English Abstract: Since the onset of the pandemic, the equity market has experienced bouts of high volatility, with private investors’ use of derivatives for speculative purposes being cited as a relevant factor in some cases. This paper analyses two specific episodes: the revaluation of...

English Abstract: This practical paper recognizes the need for non-traded companies, most of them SMEs, (Small and Medium-size Enterprises), to have appropriate tools to address the definition and estimation of the cost of capital. This concept is critical to determine the feasibility of an...

Spanish Abstract: En este trabajo se plantea la necesidad de las empresas no transadas en bolsa, la mayoría de ellas, PYMEs, (Pequeñas y Medianas Empresas) de contar con herramientas apropiadas para abordar la definición y estimación del costo promedio ponderado de capital. Este concepto es...

La existencia de memoria de largo plazo en las series financieras implica que los retornos de un activo hoy pueden tener incidencia sobre los retornos futuros, incluso más allá del corto plazo. En presencia de dicha memoria el horizonte de inversión elegido puede resultar en diferentes...