What is a good time and a good market?

It is a time and market where people below the average level can make money.

At this time, people who are far above the average level can take their funds to the next level.

What is a bad time and a bad market?

It is a time and market where most people above the average level are also losing money.

At this time, people who are far above the average level are constantly struggling between profit and loss and gradually become gamblers.