为什么课程里讲解到sell call option的时候表述的是买入看涨期权，问题讲解里说是卖出

Generally speaking, implied volatility increases for put options at strike prices that are lower than the current stock price, whereas implied volatilities decrease for call options for strike prices that are higher than the current stock price; this is called the volatility skew. However, sometimes implied volatility decreases for put options at strike prices that are lower than the current stock price, whereas implied volatilities increase for call options at strike prices that are higher than the current stock price; this is called the volatility smile.

提高外汇储备，不相当于在市场投放本币吗，不是宽松的货币政策吗。

老师，描述错了吧，应该是符合IIID，一定符合GIPS，反之，不一定

Net cost of carry = 「Carrying Benefit (CB):持有收益」- 「Carrying Costs (CC):持有成本」. 是这样吗? 讲义里面, 好像写的是成本-收益

B是不是可以这样理解，当本币减值购买力减弱时产生输入型通胀，所以要减少通胀就是提高本币外汇价值。

P value會有可能大於Alphaa嗎? P vaule 永遠=1/2 P value? 這有點不太理解>

Derives its performance from the performance of an underlying asset. 这句话衍生品的价格不取决于标的资产本身,而是取决于标的资产的价格的波动.这个是指衍生品的定价呢还是估值?

Hedge Fund 2: An equity strategy fund focusing only on Long/short equity strategies. Hedge Fund 3: An opportunistic strategy fund focusing on global macro strategies. ——2和3是怎么不符合要求呢？

合成和套利不是一回事吧?这里老师意思做空 forward 可以完成套利... 而合成其实只要满足公式,无论FP 和市场价格是否有差异都可以合成,但不一定可以套利,是吧