These mathematical calculations, each named after a letter from the Greek alphabet, tell you how options contracts will react under different market conditions. While the term might evoke images ...

Population of ancient Greece, Men weighing merchandise, side B of an Attic black-figure amphora. Credit: Marie-Lan Nguyen Wikimedia Commons CC BY 2.5 Estimating the population of ancient Greece is a ...

Military vehicles line at the port of Alexandroupolis in northern Greece. Credit: NATO A massive NATO exercise involving at least 10,000 military personnel began on Monday in the territories of Greece ...