What does oversold mean? What is oversold ?

As the name suggests, oversold, that is, there are too many people selling, abcdefg are sold, but under normal circumstances, there should not be so many people selling, overselling is more than the normal and reasonable level, so oversold for the market, we generally say that there will be a wave of **, the process of correcting overselling, probably overbought is the same.

That's not true.

Oversold - The relative symmetry of overbought means that the asset has fallen to an unreasonable level in terms of fundamental factors, usually after a sharp fall in the short term. Overselling means that an upward correction is susceptible. In terms of technical analysis, when the relative strength index of a financial instrument is below 25%, it is generally considered to be "oversold".

The opposite situation is called "overbought".

This is not a one-day change.

It's good to level it down.

Oversold: Oversold: A term used to oversell. A technical analysis term that refers to a kind of **significant** after the near future**.

Introduction: Oversold - The relative symmetry of overbought refers to the fact that in terms of fundamental factors, the asset has fallen to an unreasonable level, usually after a sharp fall in the short term. Overselling means that an upward correction is susceptible.

In terms of technical analysis, when the relative strength index of a financial instrument is below 25%, it is generally considered to be "oversold". The opposite situation is called "overbought".

**, there is often a strong reaction of investors to ** or ** due to the spread of a certain news, resulting in an excessive rise or **, so that the phenomenon of overbought and oversold occurs. When investors' emotions calm down, the impact of overbought and oversold will gradually be appropriately adjusted. Therefore, overbought will be followed by a period of decline in the stock price; Oversold is followed by a considerable degree of **.

If investors understand this overbought and oversold phenomenon and grasp its movement law in time, they will be able to increase profit opportunities in the world. When investors' emotions calm down, the impact of overbought and oversold will gradually be appropriately adjusted. Therefore, overbought will be followed by a period of decline in the stock price; Oversold is followed by a considerable degree of **.

If investors understand this overbought and oversold phenomenon and grasp its movement law in time, they will be able to increase profit opportunities in the world. The key here is how to measure the oversold phenomenon on ** in a timely manner. At present, there are many technical analysis methods to measure the oversold phenomenon, mainly including the Relative Strength Index (RSI), the Oscillator Index (OCS), the Stochastic Index (KDJ) and percentages.

Overbooking, also known as overbooking, is one of the earliest revenue management strategies adopted by airlines and one of the important ways to increase revenue. The so-called overbooking is when an airline sells more tickets than the flight, with the aim of reducing the number of seats lost and maximizing revenue. Over the past few decades, this complex computing system for airlines has been refined.

According to the U.S. Department of Transportation, the percentage of passengers who are unable to board a flight due to overbooking is now only .

Professor Xiao Baichun's lecture on "Revenue Management and Pricing".

Prof. Siu Pak ChunHe holds a Ph.D. in Management Science from the Wharton School of the University of Pennsylvania, and is currently the Dean of the Department of Management at the Long Island University School of Business. He has served as a visiting professor at many famous universities in China (Peking University, Nanjing University, Chinese University of Hong Kong, etc.), and has become a senior visiting scholar of the Fulbright Society in the United States. Professor Siu has offered high-quality MBA courses such as "Business Statistics" and "Revenue Management and Pricing" at Yingli Business School.

First of all, overbought and oversold are two more extreme phenomena, overbought, buying is greater than selling, more people are bullish, the dealer will use a large single to buy the order, generally to figure out the intention of the dealer, if it is at a high level, the dealer is more profitable, it is possible that the dealer pulls up the shipment, the next day should be thrown, otherwise, then hold or even increase the holdings**; Oversold, it's the opposite.

If there is overbought, you should be cautious, and you should sell at this time!

The opposite of overbought means that the asset has fallen to an unreasonable level in terms of fundamental factors, usually after a sharp fall in the short term. Overselling means that an upward correction is susceptible. In terms of technical analysis, when the relative strength index of a financial instrument is below 25%, it is generally considered to be "oversold".

The opposite situation is called "overbought".

Concepts related to overselling.

Strong buying: Strong buyers' desire in the transaction causes the stock price.

Heavy selling pressure: **Shareholders scramble to sell rubber in trading**, resulting in stock price**.

Overbought: The stock price continues to rise to a certain height, the buyer's power is basically exhausted, and the stock price is about to **.

Overbought is the segment beyond the bought, which cannot be bought, and must be sold, indicating that the trend is very likely**; On the contrary, oversold is oversold out of the segment and can not be sold, indicating that you can hold a position or buy, and the market trend may rise. Once the market is overbought and oversold, it means that the market is very likely to be adjusted, so investors should be good at observing the trend of the market and maintain a good attitude in order to help make the right trading decisions. That's all it takes to be oversold and overbought.

1. KDJ indicator: K value and D value exceed 80 for the overbought area, then you need to be cautious and choose to sell according to the situation; When the mark value is less than 20, it is an oversold area, and you can consider buying according to the situation;

2. MACD indicator: the black line crosses through the double yellow line and crosses the ** overbought area, and investors can buy moderately; The black line crosses through the double yellow line and the death cross is the oversold area, and investors can gradually sell;

3. Bollinger Bands indicator: **** is in the ** link, and it has been promoted to the upper track as an overbought area, at this time the big money has already made a profit and began to slowly go out, and investors should go to the top**. It is an overbought area, and investors are likely to crash when they buy it, and investors who have it will also close when they see it.