Firstly,the partial differential equation satisfied by underlying put options is transformed into a series of differential equations,obtaining approximation solutions.
首先对原生看跌期权的价格所满足的偏微分方程离散化为差分方程,求得原生期权价格的近似值;然后转化到新的区域建立复合期权所适合的数值解问题;最后给出数据模拟,进行一系列数值实验,验证其有效性和收敛性;表明该算法可用于期权交易的实际操作。
Down-and-In Option
股价下跌生效的期权
Causing, expecting, or characterized by falling stock-market prices.
倾向下跌的引起、期盼或表现为股市价格下跌的
The maximum amount you can lose is the call price, regardless of how much the share price has fallen.
无论股价下跌了多少，你最多会蒙受的亏损额是买进期权的价格。
(stock market) expecting prices to fall.
（股票市场）期盼价格下跌的。
American Put Option with Stochastic Financial Market Model
随机市场模型下美式看跌期权的定价
unrealized loss on market value decline of long-term equity investments
长期股权投资未实现跌价损失
Stock prices sagged after a short rally.
股票价格短期回升后又下跌
Pricing a Kind of Looking Back-reset Call Option with Ornstein-Uhlenback Process;
一种回望重置看跌期权在O-U过程下的定价
a market characterized by falling prices for securities.
具有有价证券价格下跌特点的股市。
Pricing perpetual options with jump diffusion;
跳扩散模型下永久美式看跌期权定价
The Incentive Efficiency of Executive Stock Option and Its Assessment;
经理股票期权制的激励效率及其评价
The price of raw crickets has dropped recently.
生蟋蟀的价格最近下跌。
Weak Efficiency of Stock Market and Modification of Fixed Exercise Price;
股市弱有效性与股票期权约定价格的修正
For a long put, equal to the put value minus the premium. For a short put, equal to the premium minus the put value.
对于买入看跌期权的人，等于期权价值减去期权金。对于卖出看跌期权的人，等于期权金减去价值。
Share fall on the london market.
伦敦证券市场上的股价下跌。
the stock market crash on Black Friday.
黑色星期五股市下跌。
Stock price plummeted.
股票价格直线下跌。
Stock prices took a tumble in the afternoon.
股票价格下午猛跌。