日經 What is it?

The Nikkei 225, also known as the Nikkei Stock Average, is a stock market index for the Tokyo Stock Exchange (TSE) in Japan. It is one of the most widely followed stock market indices in Asia and is often used as a benchmark for the Japanese stock market.
The Nikkei 225 is calculated by taking the average of the share prices of 225 of the largest and most liquid companies listed on the Tokyo Stock Exchange. These companies represent a wide range of industries, including manufacturing, finance, and technology.
The Nikkei 225 is a weighted index, which means that the share prices of the larger companies have a greater impact on the index than the share prices of the smaller companies. The index is calculated in real time and is published every minute during trading hours.
The Nikkei 225 is a popular investment benchmark for both domestic and international investors. It is often used as a gauge of the overall health of the Japanese economy.
Here are some of the key features of the Nikkei 225:

It is a stock market index for the Tokyo Stock Exchange.
It is calculated by taking the average of the share prices of 225 of the largest and most liquid companies listed on the Tokyo Stock Exchange.
It is a weighted index, which means that the share prices of the larger companies have a greater impact on the index than the share prices of the smaller companies.
It is calculated in real time and is published every minute during trading hours.
It is a popular investment benchmark for both domestic and international investors.

There are a number of factors that can affect the Nikkei 225, including:

Economic conditions: The Nikkei 225 is often affected by the overall economic conditions in Japan. When the economy is doing well, the Nikkei 225 tends to rise, and when the economy is doing poorly, the Nikkei 225 tends to fall.
Interest rates: Interest rates can also affect the Nikkei 225. When interest rates are low, investors are more likely to invest in stocks, which can drive up the Nikkei 225. When interest rates are high, investors are more likely to invest in bonds, which can drive down the Nikkei 225.
Political events: Political events can also affect the Nikkei 225. For example, if there is a political crisis in Japan, the Nikkei 225 may fall.

The Nikkei 225 is a complex and dynamic index that can be affected by a number of factors. However, it is an important benchmark for the Japanese stock market and is widely followed by investors around the world.