IDX Trading Hours

Home » Trading Guides » IDX Trading Hours

Category: Trading Guides | Author: Trading Brokers | Date: April 10, 2026

Introduction

The Indonesia Stock Exchange (IDX), locally referred to as Bursa Efek Indonesia, serves as the principal marketplace for trading securities in Indonesia. It plays a vital role in the country’s financial system by facilitating the buying and selling of various financial instruments such as equities, bonds, derivatives, and other securities.

Understanding the operational hours of IDX is essential for investors, brokers, and market participants to strategize their trades effectively and maximize their investment potential.

If you are interested in trading online, you can take a look at our best trading brokers for some options.

Official Trading Hours Of IDX

IDX trading hours are structured into several distinct sessions from Monday to Friday. These trading sessions are designed to maintain an orderly market and ensure that all transactions are conducted in a transparent and efficient manner.

IDX operates based on Western Indonesia Time (WIB), which corresponds to UTC+7.

Trading Hours From Monday To Thursday

• Pre-Opening Session: 08:45 – 08:59 WIB
• Regular Trading Session I: 09:00 – 12:00 WIB
• Lunch Break: 12:00 – 13:30 WIB
• Regular Trading Session II: 13:30 – 15:49 WIB
• Pre-Closing Session: 15:50 – 16:00 WIB
• Post-Trading Session: 16:01 – 16:15 WIB

Trading Hours On Friday

• Pre-Opening Session: 08:45 – 08:59 WIB
• Regular Trading Session I: 09:00 – 11:30 WIB
• Lunch Break: 11:30 – 14:00 WIB
• Regular Trading Session II: 14:00 – 15:49 WIB
• Pre-Closing Session: 15:50 – 16:00 WIB
• Post-Trading Session: 16:01 – 16:15 WIB

Friday’s schedule differs slightly to accommodate religious practices and traditions commonly observed in Indonesia.

Detailed Explanation Of IDX Trading Sessions

Each trading day at IDX is divided into specific sessions, with each serving a particular purpose to ensure structured market operations.

Pre-Opening Session

The pre-opening session allows investors to enter, modify, or cancel orders before regular trading starts. During this period, buy and sell orders are collected without matching. This is crucial for establishing the opening price of securities through an auction mechanism.

The process encourages price discovery based on the demand and supply of securities before the start of regular trading.

Regular Trading Session I

This is the first continuous trading session where buy and sell orders are automatically matched based on the best price and time priority. Trades are executed in real-time, and investors actively participate during this session.

This session lasts for three hours from Monday to Thursday, while it is shortened on Friday to accommodate the longer lunch break.

Lunch Break

During the lunch break, trading is temporarily halted. No orders are matched during this period, although investors may still input orders in preparation for the next trading session.

The length of the lunch break varies, being longer on Friday.

Regular Trading Session II

After the lunch break, regular trading resumes. This session operates similarly to the first regular trading session, allowing continuous execution of buy and sell orders based on market activity.

Investors take this opportunity to adjust their strategies and finalize positions before the market closes.

Pre-Closing Session

The pre-closing session is a crucial phase where investors place orders to be executed at the closing price of the day. This session helps establish a fair closing price for all securities traded on the IDX.

Orders entered during this period are collected and matched at the closing price, which is determined based on the accumulated demand and supply.

Post-Trading Session

The post-trading session provides investors with the opportunity to execute trades at the established closing price. It is particularly useful for institutional investors and brokers seeking to settle final trades without impacting the closing price.

This session lasts for approximately 15 minutes and marks the official end of the trading day.

Derivatives Trading Hours At IDX

Apart from equities, IDX also facilitates the trading of derivatives products such as stock index futures and commodity contracts. The trading hours for derivatives slightly differ from the regular equity trading hours.

Monday To Thursday

• Session I: 08:45 – 12:00 WIB
• Session II: 13:30 – 16:15 WIB

Friday

• Session I: 08:45 – 11:30 WIB
• Session II: 14:00 – 16:15 WIB

These sessions provide flexibility to derivatives traders and allow for strategic hedging and speculation throughout the day.

Clearing And Settlement

IDX adopts a T+2 settlement cycle, meaning that the settlement of all executed trades occurs two business days after the transaction date. This system ensures efficient clearing and settlement, reducing counterparty risk and maintaining market integrity.

Market participants, including investors and brokers, are required to fulfill their payment and delivery obligations within this time frame.

Order Matching Mechanism

The IDX utilizes the Jakarta Automated Trading System (JATS) to facilitate trading activities. JATS operates using a price-time priority mechanism, where orders are matched based on the best available price and, if multiple orders exist at the same price, based on the time of order entry.

JATS supports various order types, including:

• Limit Orders
• Market Orders
• Fill And Kill Orders
• Fill Or Kill Orders
• Good Till Date Orders

This comprehensive order management system enables investors to implement diverse trading strategies.

Types Of Securities Traded On IDX

The IDX offers a wide range of financial instruments, allowing investors to diversify their portfolios. These include:

• Stocks (Common and Preferred Shares)
• Bonds and Sukuk
• Exchange-Traded Funds (ETFs)
• Derivatives (Futures and Options)
• Real Estate Investment Trusts (REITs)
• Structured Warrants

Each of these instruments has its own set of trading rules and conditions, which operate within the overall trading hours established by IDX.

Market Holidays And Closures

The IDX observes public holidays in Indonesia, during which the market remains closed. These holidays include national celebrations, religious observances, and other officially designated non-trading days.

Investors should stay updated with the official trading calendar to avoid placing orders on days when the market is closed.

Special Trading Conditions

In certain circumstances, IDX may implement special trading conditions such as trading halts or suspensions. These measures are typically enacted to prevent excessive volatility, maintain market stability, or address extraordinary events.

Trading halts temporarily suspend all trading activities for specific securities or the entire market, allowing investors to assess new information and adjust their strategies accordingly.

Conclusion

Understanding the trading hours and session structures of the Indonesia Stock Exchange is essential for all market participants. The IDX has developed a well-organized and transparent trading framework, enabling investors to participate in an orderly market environment.

By aligning their investment strategies with the IDX’s trading schedule, investors can take advantage of market opportunities, manage risks effectively, and achieve their financial objectives within Indonesia’s dynamic capital markets.

---

Relevant Articles

---