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【简答题】
If the bank enters an arbitrage play involving the cheapest-to-deliver Treasury bond, which of the following Susan Baker is a new hire at Crinson Bank’s Chicago office. She has joined the risk arbitrage desk where she will be training to take advantage of price discrepancies in the U.S. T-note futures and spot markets. Her managing director, Gerald Bigelow, has asked her to calculate parameters for potential arbitrage opportunities for the bank given current market conditions. At the time he asked the question, the cheapest-to-deliver T-notes were at par, with a coupon rate of 8.5 percent. When trading futures, the risk arbitrage desk borrows at 12 percent and lends at 4 percent. Looking at the calendar, Baker calculates that there are 184 days to the first coupon payment and 181 days from the first coupon payment to the second. Any interest accrued will be paid when the T-note is delivered against the futures contract, but Bigelow asks Baker not to concern herself in the calculations with the impact of reinvesting the coupons or with transaction costs. To get a feel for the market, Baker first prices a 6-month futures contract that has 184 days to expiration in a “simplified scenario.” She decides to use the same interest rate for borrowing and lending, taking the average of the bank’s borrowing and lending rates. Calculating the futures price under these simplified assumptions, Baker tells Bigelow that the futures contract should trade at 99.7059. Bigelow explains that the futures price is below par even though the spot price is at par because of the benefit to a short seller of receiving the T-note coupon payments. Having calculated the futures price in the “simplified scenario,” Baker modifies it to reflect the bank’s current borrowing and lending rates, and calculates the corresponding no-arbitrage bands. She tells Bigelow that the lower band will be at 97.7468. Bigelow checks her calculations, confirming that the higher band will be at 101.6294. Once they know the no-arbitrage bands for current market conditions, Baker and Bigelow check the screen. They see that the market price of the futures contract for which they’ve been calculating no-arbitrage bands is 103. Together, they execute Baker’s first arbitrage play. Part 6) If the bank enters an arbitrage play involving the cheapest-to-deliver Treasury bond, which of the following statements is INCORRECT? A)The short position decides which bond to deliver. B)The arbitrage play is no longer risk-free if the bank has a long position in the cheapest-to-deliver bond. C)The long position has the advantage in the arbitrage play. D)The cheapest-to-deliver bond may change during the life of the contract.
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参考答案:
举一反三
【判断题】二极管内部有一个PN结,其中P区接二极管的负极引脚。
A.
正确
B.
错误
【单选题】离心泵铭牌上所标明的流量Q是指
A.
泵的最大流量
B.
扬程最大时的流量
C.
泵效率最高时的流量
D.
扬程最小时的流量
【单选题】离心泵在进口加设诱导轮的主要目的是()。
A.
增大有效汽蚀余量
B.
减小有效汽蚀余量
C.
增大必须汽蚀余量
D.
减小必须汽蚀余量
【单选题】离心泵铭牌上所标明的流量Q是指()
A.
泵的最大流量
B.
泵效率最高时的流量
C.
扬程最大时的流量
D.
扬程最小时的流量
【多选题】如果信号【图片】的最高频率为50Hz,下列哪些情况可以恢复出原信号?
A.
采样频率大于100Hz
B.
采样间隔小于10ms
C.
恢复信号时,低通滤波器的截止频率需要在50Hz到 -50Hz之间
D.
恢复信号时,只要低通滤波器的截止频率大于50Hz就可以。
【单选题】目前已发现的Rh血型系统抗原有
A.
20 种
B.
25 种
C.
30 种
D.
40 多种
E.
52 种
【单选题】对于信号【图片】的最小采样频率是
A.
8kHz
B.
4kHz
C.
2kHz
D.
6kHz
【单选题】根据奈奎斯特(时域)采样定理对一个带限或者带宽有限信号【图片】进行均匀理想采样得到采样信号【图片】,设【图片】的最高截止频率为【图片】,如果采样频率【图片】满足 时,则可由采样后信号精确地重建原信号,否则会产生频谱混叠现象。()
A.
采样频率大于等于 2倍信号截止频率
B.
采样频率小于等于 2倍信号截止频率
C.
采样频率大于等于信号截止频率
D.
无任何要求
【单选题】离心泵铭牌上所标明的扬程是( )。
A.
流量为零时的扬程
B.
效率最高时的扬程
C.
功率最大时的扬程
D.
功率最小时的扬程
【简答题】离心泵的扬程随流量而减小,离心泵铭牌上所标明的扬程、流量等性能,指的是泵在 下的性能。
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