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Michael2025-07-13 11:11:50
同学你好,
B选项,To assume a delta-neutral hedging strategy is risk-free 【这个不对,还有gamma风险】and can be maintained because active re-balancing is unrealistic.
D选项,To assume the forward rates--i.e., that are used to value fixed-income instruments—are log normal (利率有可能为负数,所以对数正态分布不合理)although interest rates have shifted into a long-term regime of negative territory.
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