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.
Nationalism as a cause of World War I. The British Empire was an important source of nationalism. Nationalism is an extreme form of patriotism and loyalty to oneâs country. Nationalists place the interests of their own country above the interests of other countries. Nationalism was prevalent in early 20th century Europe and was a significant cause of World War I. Most pre-war Europeans believed in the cultural, economic and military supremacy of their nation. Their attitudes and overconfidence were fuelled by things like jingoistic press reporting.