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| Straits Times Index | |
|---|---|
| Name | Straits Times Index |
| Operator | Singapore Exchange |
| Exchanges | Singapore Exchange |
| Constituents | 30 |
| Cap level | Large-cap, blue-chip |
| Weighting | Market-capitalization adjusted for free float |
Straits Times Index The Straits Times Index is Singapore's principal stock market index representing leading Singapore Exchange‑listed companies across major sectors, serving as a benchmark for local and regional investors, fund managers, and policy analysts. It underpins index‑linked products, derivatives traded on SGX and international venues, and is widely cited alongside global benchmarks such as the FTSE 100, Hang Seng Index, Nikkei 225, S&P 500, and MSCI World in financial reporting. Major financial institutions, asset managers, and central banks reference the index in portfolio allocation, risk management, and macroeconomic analysis.
The index tracks 30 of the largest and most liquid companies listed on SGX-ST, selected to reflect the performance of leading issuers such as conglomerates, banks, property developers, telecommunications carriers, and commodity groups. It is comparable in role to indices like the Dow Jones Industrial Average, CAC 40, DAX, ASX 200, KOSPI 200, and BSE Sensex in their respective markets. Market participants including BlackRock, Vanguard Group, State Street Global Advisors, Temasek Holdings, and GIC use the index for benchmarking and product design, while regulators such as the Monetary Authority of Singapore monitor index‑linked market dynamics.
The index emerged amid Singapore's post‑independence development and the expansion of Singapore Exchange listings that included firms such as DBS Bank, Oversea-Chinese Banking Corporation, United Overseas Bank, CapitaLand, Singtel, and Keppel Corporation. Its evolution parallels milestones like the demutualization of exchanges in the 1990s, the regional integration initiatives that involved ASEAN markets, and globalization trends reflected in the rise of HSBC, Citigroup and Deutsche Bank research coverage. Revisions to methodology and constituent changes have mirrored corporate actions by multinational corporations such as ExxonMobil, Royal Dutch Shell, and BP when their local listings or depositary arrangements affected index eligibility.
Constituent selection emphasizes market capitalization, liquidity, sector representation, and free‑float adjustment, aligning with practices used by index providers like FTSE Russell, MSCI, S&P Dow Jones Indices, and NASDAQ. The index uses eligibility criteria similar to those employed for inclusion in regional family indices such as the MSCI Asia ex Japan and FTSE Asia Pacific series. Eligibility is affected by corporate events involving companies such as Keppel Corp, City Developments Limited, ST Engineering, Wilmar International, and Singapore Airlines, and by regulatory listings overseen by bodies like the Accounting and Corporate Regulatory Authority.
The index is calculated using a market‑capitalization weighted formula with free‑float adjustments and periodic rebalancing, a methodology analogous to that of the Russell 2000 and S&P/TSX Composite Index. Maintenance routines respond to corporate actions—mergers, acquisitions, spin‑offs, rights issues, and share buybacks—executed by firms including Mapletree Investments, CapitaLand Investment, Jardine Matheson, Frasers Property, and Hongkong Land. Reconstitution and quarterly reviews are administered by SGX and index committees, with technical operations interoperating with trading systems used by brokers like DBS Group Holdings, OCBC Bank, and global dealers such as Goldman Sachs, Morgan Stanley, and UBS.
As a barometer for Singapore's capital markets, the index influences ETF flows, futures and options volumes, and passive investment strategies managed by firms such as iShares and SPDR. Historical performance is linked to macroeconomic cycles that affect exporters, commodity traders, and financial institutions, comparable to correlations observed with the MSCI Emerging Markets, FTSE China A50, Philippine Stock Exchange Composite Index, and Jakarta Composite Index. Major market events—regional crises, global recessions, pandemic shocks, and policy shifts by central banks like the Federal Reserve, European Central Bank, and the Bank of Japan—have driven volatility that impacted index returns and derivative pricing.
The index comprises 30 constituent companies drawn from sectors represented by notable firms such as DBS Bank, Oversea-Chinese Banking Corporation, United Overseas Bank, Singtel, CapitaLand, Keppel Corporation, Wilmar International, ComfortDelGro, SATS Ltd, Jardine Matheson Holdings, SPH Media Trust, Frasers Property, Mapletree Logistics Trust, ST Engineering, Singapore Post, Olam International, HarbourFront Ltd, Yangzijiang Shipbuilding, Noble Group, City Developments Limited, Hong Leong Finance, Goldbell Financial Services, Sea Limited, ComfortDelGro, Yangzijiang, Raffles Medical Group, Yeo Hiap Seng, Tuas Power and Sembcorp Industries—reflecting cross‑sector exposure to banking, real estate, transport, commodities, manufacturing and utilities. Constituents change subject to corporate restructurings, cross‑border listings, and secondary offerings involving issuers such as Alibaba Group, Tencent Holdings, Baidu, Samsung Electronics, and Toyota Motor when regional investors reallocate capital.
Critiques mirror those leveled at major indices worldwide: concentration risk in financial and property sectors, free‑float adjustments that can underweight strategic government‑linked corporations like Temasek Holdings and Keppel Corporation, and the treatment of dual‑class share structures used by companies such as Sea Limited and tech issuers. Controversies have included index committee decisions during high‑profile corporate events involving Olam International, Noble Group, Hyflux, and legal disputes tied to corporate governance in conglomerates like Jardine Matheson and Keppel Offshore & Marine. Market participants, including hedge funds, sovereign wealth funds, and mutual fund managers, have debated the index's representation of Singapore's broader capital market amid the rise of cross‑listing and depositary receipt programs by multinationals such as BP, Shell, TotalEnergies, and ExxonMobil.
Category:Stock market indices Category:Economy of Singapore