Index Option

英文名称：Index Option 中文名称：指数期权
以股票指数为标的的期权合约。
e.g. The trading volume of exchange-traded derivatives including stock index options declined 19.1 percent on-year to 10,335 trillion won in the first quarter while that of over-the-counter derivatives jumped 83 percent to 2,925 trillion won, it said.