Straits Times Index (STI)

How the Straits Times Index Tracks Singapore’s Largest Public Companies

Introduction

The Straits Times Index (STI) is Singapore’s leading stock market benchmark and one of Southeast Asia’s most important equity indices. It tracks the 30 largest and most liquid companies listed on the Singapore Exchange (SGX), providing investors with a comprehensive measure of Singapore’s corporate sector and financial markets.

As one of the world’s leading financial centers, Singapore plays a vital role in global trade, banking, logistics, and investment, making the STI an important benchmark for both regional and international investors.

The History of the Straits Times Index

The Straits Times Index was launched in 1966 and has evolved alongside Singapore’s transformation into one of Asia’s premier financial hubs. Today, the index is jointly calculated by FTSE Russell and Singapore Exchange (SGX) and serves as the primary benchmark for the Singapore equity market.

How the Straits Times Index Works

The STI tracks the 30 largest companies listed on the Singapore Exchange (SGX) using a free-float market-capitalization weighting methodology.

Major sectors include:

The index is reviewed regularly to ensure it accurately represents Singapore’s largest publicly traded companies.

Why the Straits Times Index Matters

The STI is widely used to:

It remains the primary benchmark for Singaporean equities.

The Straits Times Index and Global Markets

Movements in the STI often reflect:

Because Singapore is one of the world’s most open economies, the STI is closely linked to global financial markets.

Advantages of the Straits Times Index

The index offers several advantages:

These characteristics have made it one of Southeast Asia’s leading equity benchmarks.

Key Facts

Conclusion

The Straits Times Index provides investors with comprehensive exposure to Singapore’s largest publicly traded companies and serves as the benchmark for one of the world’s leading financial centers. By reflecting the performance of businesses across banking, real estate, transportation, telecommunications, and industrials, the STI offers valuable insight into Singapore’s economy and the broader Southeast Asian region. It remains one of the most respected equity benchmarks in the Asia-Pacific financial markets.