问题 单项选择题

看跌期权的协定价格x大于该期权标的资产在t时点的市场价格St,并且该期权合约的交易单位为m,则该期权在t时点的内在价值()。

A.等于(St-x) 

B.等于(St-x)×m 

C.等于(x-St)×m 

D.等于(x-St)

答案

参考答案:C

解析:

期权在t时点的内在价值等于协定价格与t时点标的资产的市场价格之差。该期权合约的交易单位为m,则该期权在t时点的内在价值等于(x-St)×m。

阅读理解
Directions: Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need. 
A. psychological    B. proportion         C. suspected          D. confessed          E. kidnapped 
F. minors              G. striving             H. Intermediate      I. transformed        J. mysteriously
K. remained
Teen killers spur discussion on youth crime
NANNING—A high school student who was sentenced to life in prison for killing a 9-year-old girl has sparked discussions on juvenile delinquency (少年犯罪) in China.
The defendant, surnamed Lyu,   小题1:  the victim in December 2012, molested (骚扰)her, and beat her to death, according to a statement released by the   小题2:  People’s Court in the city of Xinzhou in North China’s Shanxi province on Saturday.
The court said the crimes committed were so horrible that no mitigation (减轻) was offered.
The case was just one more in a series of similar cases committed by   小题3: .
Back in February of this year, the son of a famous Chinese singer was detained in Beijing along with four others for their alleged involvement in a gang rape.
Beijing police refused to disclose the name of the   小题4:  minor, but police insiders who requested anonymity said he is the son of Li Shuangjiang, dean of the music department of the People’s Liberation Army Academy of Arts.
In April, a 12-year-old boy killed a 76-year-old woman in Guiping City in south China’s Guangxi Zhuang Autonomous Region. The boy, who is currently in custody,   小题5:  to police that he never wanted to kill the woman, and that he only wanted to steal money from her.
Many have expressed concern on the Internet about the   小题6:  conditions of China’s underage population, wondering what   小题7:  these little “flowers of the motherland” into “carnivorous plants” in a country   小题8:  for a harmonious society. 
These cases are not rare, said Xia Xueluan, professor with the Department of Sociology at Peking University, adding that juvenile crimes in China, which have decreased in recent years, are still large in number.
From 2002 to 2011, the rate of recidivism of China’s juvenile offenders   小题9:  at 1 percent to 2 percent, according to a white paper on judicial reform published in October of last year, which also reported drops in juvenile delinquency cases and the   小题10:  of juvenile offenders among the total criminal population.
However, China’s juvenile offender number is still high, standing at around 67,000 in 2011, according to the white paper.
“The national average rate of juvenile delinquency may have fallen, but in many parts of the country, youth crimes are still on the rise,” Xia said.
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