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Nikkei 225 (JP225)

What is the Nikkei 225 (JP225)?

The Nikkei 225 is a Japanese benchmark price-weighted stock index made up of 225 companies listed on the Prime Market of the Tokyo Stock Exchange. The Tokyo Stock Exchange launched the Nikkei 225 in 1950, but the Nikkei (Nihon Keizai Shimbun) newspaper became responsible for its calculation and publication in the 1970s. JP225 is commonly used as its trading symbol for CFD products. Read Blueberry Markets’ Nikkei 225 overview for its full history and methodology.

What can influence the Nikkei 225’s price?

Monetary policy, currency movements, and developments in international markets may all affect the Nikkei 225. The impact can vary between constituents depending on their business activities and exposure to domestic and overseas markets.

Bank of Japan monetary policy

Bank of Japan (BOJ) monetary policy can affect financial conditions in Japan through changes to interest rates and other policy measures. The BOJ’s current framework uses the uncollateralized overnight call rate as its main policy rate. In September 2026, the bank raised its target for the rate to around 1.25%, with changes taking effect on September 24th.

The BOJ previously used yield-curve control (YCC) as part of its monetary policy framework, targeting the short-term policy rate and the 10-year Japanese government bond yield. But in March 2024, the bank ended its YCC framework and shifted back to using the short-term interest rate as its primary policy instrument. 

These interest rate decisions and changes to the BOJ’s monetary policy framework can affect financial conditions, although their exact implications may vary across sectors and within different companies.

Japanese yen strength

Movements in the Japanese yen may affect companies with significant export revenue or overseas operations. If the yen is weaker, it can increase the relative yen value of overseas earnings and improve the export profitability of Japanese companies, while also increasing the yen cost of imports. A stronger yen can have the opposite effects.

Changes in the yen do not impact every Nikkei 225 constituent in the same way, with those with significant foreign exposure being more directly affected.

US economic data and global risk sentiment

Developments in US financial markets may also influence Japanese equities. US economic releases, particularly data that affects expectations around US monetary policy, may influence global financial conditions and wider investor sentiment.

Because the Tokyo Stock Exchange’s regular equity sessions end before the US market closes, developments in US markets can occur after the Japanese cash market has closed and form part of the information available before the following Japanese session.

Nikkei 225 trading hours

The Tokyo Stock Exchange’s regular equity market operates in two sessions: 9:00 a.m. to 11:30 a.m. and 12:30 p.m. to 3:30 p.m. Japan Standard Time, Monday to Friday, apart from holidays.

JP225 CFD trading hours may vary depending on the instrument and broker, meaning the applicable schedule needs verification.

Trading the Nikkei 225 as a CFD

A JP225 CFD references movements in the Nikkei 225 without giving the trader ownership of the 225 companies represented in the index. For more information on how CFDs work, see Blueberry’s beginner’s guide to contracts for differences.

CFDs can provide exposure to upward or downward movements in the underlying index price. A long position has exposure to increases in the quoted price, while a short position has exposure to decreases.

CFDs are margin-based products, meaning the margin associated with a position represents only part of the total market exposure. Leverage increases market exposure relative to the margin used, which can amplify both potential gains and losses.

Blueberry offers JP225 among its index CFD markets, although contract specifications and trading conditions depend on the account and instrument used. For more information on how index trading works, see Blueberry’s index trading explained.

Technical analysis considerations

Technical analysis uses historical data to identify recurring patterns and trends. Commonly used tools include:

  • Support and resistance levels: Price areas where previous market activity was associated with pauses or changes in direction.
  • Moving averages: Calculations based on historical prices that can be used to examine the broader direction of past price movements.
  • Chart patterns: Structures such as triangles, double bottoms, and double tops may be interpreted as potential changes in market behavior.

These tools are based on historical market data, and the appearance of a particular pattern or indicator does not establish how the Nikkei 225 will subsequently move.

FAQs

What companies make up the Nikkei 225?
The Nikkei 225 contains 225 stocks selected from domestic common stocks listed on the Tokyo Stock Exchange’s Prime Market. Selection considers factors including liquidity and the representation of Japan’s industry structure.
What time does Nikkei 225 open?
The Tokyo Stock Exchange equity market opens at 9:00 a.m. Japan Standard Time, with the morning session running until 11:30 a.m. Trading resumes at 12:30 p.m. and continues until 3:30 p.m.
Is there a Nikkei 225 ETF, and how does it differ from trading it as a CFD?
Exchange-traded funds (ETFs) can track the Nikkei 225, providing exposure through an ETF rather than a CFD. However, the structure, fees, and tracking method depend on the individual ETF.
How often does the Nikkei 225’s composition change?
The Nikkei 225 changes in April and October after a scheduled review. In certain scenarios, like corporate reorganizations, there may be changes outside the regular reviews.
How do Nikkei 225 futures affect its opening price?
Nikkei 225 futures trade outside regular Tokyo market hours, meaning their overnight price developments may reflect developments before the cash market opens. While large moves in futures may align with a gap between the close and opening of the Nikkei 225, futures do not directly determine the opening price.

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