With these variables, it is theoretically possible for options sellers to set rational prices for the options that they are selling. The original Black-Scholes model assumes that the option is a ...

Or sign-in if you have an account. The U.S. basketball star spent months in prison after being caught with cannabis oil in her luggage, before a prisoner swap set her free ...

360 x 294 cm. (141.7 x 115.7 in.) ...

Photos from around the region, including readers' pictures, plus reports of disruption to schools and transport services as the Birmingham and the West Midlands deals with the snow ...