Both the Volatility Index and the Hang Seng Index fell from their peaks.

The Hang Seng Volatility Index VHSI reached a high of 44.56% last Monday (October 7). However, it closed below 31% today (October 15). As a result, the Hang Seng Index and a number of large blue-chip stocks have experienced frequent declines in the past week. A situation where both call and put fall, or a situation where the call has a huge decline but the put has a very small increase. The fluctuations in the past few days are in the high and low range of 1500 points. The short call short put one week ago is the same related stock or index, referred to as short strangle. , almost every day in the past 5 trading days...

Since the start of the A-share holiday last Tuesday (October 8), the Hang Seng Index has been following the rise and fall of A-shares. As long as A-shares rebound or bullish news rises, the Hang Seng Index will rebound quickly. But each time it was unsustainable and quickly fell back, including during nighttime hours. On the 5th day after the opening of A after the National Day holiday, the situation was still not good and the index continued to fall...