0.3是delta covered call 那70shares咋来的没懂谢谢

P464 Q4 为什么不能选C呢，share buyback只能实现短期收益，increase dividend（会降低股价）其实对股东收益也没有本质作用，左手换右手食指而已，原文说了Asgard注重长期收益，应该不会用这两个手段吧。

为啥老师的计算跟答案不同，答案没计算cf

这道题B为什么不对 ？

老师好，这道题不太懂

老师您好， if the option is deep-in or out-of- the- money, gamma approaches zero. gamma 在option ATM and close to expiraiton的时候最大，我想问一下gamma最大的值是多少呢？谢谢

这道题为什么不能选A请老师讲解一下

题干：Neshie Wakuluk is an investment strategist who develops capital market expectations for an investment firm that invests across asset classes and global markets. Wakuluk started her career when the global markets were experiencing significant volatility and poor returns; as a result, she is now careful to base her conclusions on objective evidence and analytical procedures to mitigate any potential biases. 问题：Q. Wakuluk most likely seeks to mitigate which of the following biases in developing capital market forecasts? A)Availability B)Time period C)Survivorship 官网这道题选的A，为啥不能选C？

The anchoring bias is the tendency for forecasts to be overly influenced by the memory of catastrophic or dramatic past events that are anchored in a person’s memory. 这句话是ss4里的一道官网题，感觉是行为金融的内容，请老师翻译下这句话的意思并告知这句话哪里不正确？答案里说这个表达是incorrect的

关于自住房，房屋，是否纳入TIA或者在算economicnetworth中的assest是否纳入计算