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FRM一级
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老师您好,能再解释一下为什么It is useful in simulating leptokurtic return distributions with fat tails. Notes2 240页 上有一句话,If GARCH models do a good job of explaining volatility changes, there should be very little autocorrelation in ui^2/sigma i^2. GARCH models appear to do a very good job of explaining volatility. 这句话应该怎么理解呢?
查看试题 已回答The 2-year spot rate is 6.2%. Is there an arbitrage opportunity using these three bonds? If so, describe the trades necessary to exploit the arbitrage opportunity? 老师你好!我想问一下,这道题里,第二个债券明显被高估了,为什么还会去买入它做套利?为什么不是只卖空第二只债券?
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