The ratio of the change in price of an option to the change in price of the underlying asset. Also called the hedge ratio. Applies to derivative products. For a call option on a stock, a delta of 0.50 means that for every $1.00 that the stock goes up, the option price rises by $0.50.elta. The change in the price of an option that results from a one-point change in the price of the underlying stock. For example, a delta of 0.5 indicates that the option will rise in price by 1 / 2 point (50Â¢) for each 1-point ($1) rise in the price of the underlying stock.
One of the main causes of the extent of World War I was the  alliances in Europe at the time, which brought many nations who had  no stake in the original conflict into the â¦war. Another cause of  World War I was imperialism, which caused tension between European  nations who were fighting over land to colonize.
Causes of the war. There was no single event that caused World War One (WWI). War happened because of several different events that took place in the years building up to 1914. Firstly, there was the role of empire.Great Britain, Germany, Austria-Hungary and Russia all had empires. This meant that they ruled many countries all over the world.owever, the trigger for the beginning of WWI occurred on 28 June 1914. Archduke Franz Ferdinand, the heir to the throne of Austria-Hungary, was shot while he was visiting Sarajevo in Bosnia. He was killed by a Serbian person, who thought that Serbia should control Bosnia instead of Austria.