This article examines the option investors' risk preferences and trading motivations that underlie option trading behaviours using adjusted moneyness when initial moneyness has been influenced by the time-to-maturity effect during the contract period. The statistics for the stationary time...

Various biofuels, including bioethanol and biodiesel are technologically being considered replacements for fossil fuels, such as the conventional gasoline and diesel. This paper aims to measure whether economic substitutability can be generated during periods of higher and/or lower prices of...