Straits Times Index (STI)

The Straits Times Index (STI) is a weighted market index that tracks the performance of the Singapore Exchange. The Singapore Exchange is the only stock operator in Singapore. Therefore, you can use STI to track the performance of the Singapore stock market. As of the date of writing, there are over 600 main listing in the Singapore Exchange. However, the STI only uses the top 30 companies with the biggest market capitalisation, which means the total dollar value of the company’s outstanding share. Nevertheless, it is still the best market index we can use as a benchmark for the Singapore Market.

Here are the companies and its weightage in the STI as of the date of writing.

CompanyWeightCumulative WeightMarket CapSector
DBS16.45%16.45%SGD 76,541.73M Financial Services
OCBC Bank12.94%29.39%SGD 53,545.09MFinancial Services
UOB10.68%40.07%SGD 43,311.37MFinancial Services
Singtel6.32%46.39%SGD 36,992.78MTelecommunications
Jardine Matheson Holdings5.71%52.10%USD 44,187.13M Industrials
Wilmar Intl3.63%55.73%SGD 28,944.84M Consumer Non-Cyclicals
Ascendas REIT3.58%59.31%SGD 12,664.81MREITs
CapitaLand Int Commercial Trust3.47%62.78%SGD 13,534.83MREITs
CapitaLand3.11%65.89%SGD 20,474.73M Real Estate (excl. REITs)
Keppel Corp2.83%68.72%SGD 9,430.49MIndustrials
SGX2.80%71.52%SGD 12,206.01MFinancial Services
ThaiBev2.65%74.17%SGD 16,748.41MConsumer Non-Cyclicals
HongkongLand USD2.33%76.50%USD 10,876.10M Real Estate (excl. REITs)
ST Engineering2.15%78.65%SGD 12,271.41M Industrials
Mapletree Logistics Trust2.05%80.70%SGD 9,007.07MREITs
SIA2.01%82.71%SGD 14,441.09MIndustrials
Venture1.86%84.57%SGD 5,475.89MTechnology (Hardware/ Software)
Genting Sing1.82%86.39%SGD 9,917.10M Consumer Cyclicals
Mapletree Industrial Trust1.74%88.13%SGD 7,632.39MREITs
Mapletree Commercial Trust1.71%89.84%SGD 7,038.83MREITs
UOL1.39%91.23%SGD 6,146.26MReal Estate (excl. REITs)
CityDev1.37%92.60%SGD 6,155.97MReal Estate (excl. REITs)
Frasers Logistic & Commercial Trust1.31%93.91%SGD 5,576.40MREITs
ComfortDelGro1.26%95.17%SGD 3,402.85MIndustrials
Keppel DC REIT1.25%96.42%SGD 4,247.34M REITs
SATS0.93%97.35%SGD 4,305.14MIndustrials
YZJ Shipbldg SGD0.74%98.09%SGD 5,404.75M Industrials
Jardine C&C0.72%98.81%SGD 8,269.78MConsumer Cyclicals
DairyFarm USD0.61%99.42%USD 5,533.37M Consumer Non-Cyclicals
Sembcorp Ind0.57%~100%SGD 3,735.98MUtilities

Do check back on this page as we start introducing each company that forms up this market index.

  1. Venture Corporation
  2. Genting Singapore
  3. Mapletree Industrial Trust
  4. Mapletree Commercial Trust
  5. United Overseas Land
  6. City Developments Limited
  7. Frasers Logistics & Commercial Trust
  8. ComfortDelGro
  9. Keppel DC REIT
  10. SATS
  11. YZJ Shipbldg SGD
  12. Jardine C&C
  13. Dairy Farm
  14. Sembcorp Industries

*Information as of 25 July 2021.