There are two types of greed in the market:

One is setting sell points too high when holding a position;

The other is setting buy points too low when being out of position.

There are also two types of fear in the market:

One is selling when one should buy, getting washed out by market makers, fearing missing the low point;

The other is buying when one should sell, getting washed in by market makers, fearing missing the price increase.