Put options are indicated for the sub-trend, while call options are indicated for the main trend.

Making a living through short-term arbitrage is like a food search that is closely focused on the ground. If you stare at it for too long, your vision will become short-sighted and sticky like a chicken, and your body will become bloated due to greed. ... Yes, we must look up for something.

We must remind ourselves often to divert our tired gaze away from material things, lift it up from narrow and trivial grooves, look up, look at the towering and standing, look at the freedom and vastness, clarity and purity...

Investment guru Peter Lynch said: 'In the past 70 years of history, there have been 40 stock market crashes. Even if I predicted 39 of them in advance and sold all my stocks before the crash, I would still deeply regret it in the end. Because, even in the worst stock disaster, stock prices will eventually rise back, and rise higher than before.'

Great companies will continue to set new historical highs and can weather the ups and downs. For excellent companies, bear markets are only temporary, while bull markets are eternal.