Straits Times Index

Straits Times Index
Historical logarithmic graph of the STI from 1987 to 2019
FoundationSeptember 15, 1966 (1966-09-15)
Operator
ExchangesSingapore Exchange
Constituents30
TypeLarge cap
Market capS$288.8 billion
(as of June 2018)
Weighting methodCapitalisation-weighted
WebsiteFTSE STI

The FTSE Straits Times Index (abbreviation: STI) is a capitalisation-weighted stock market index that is regarded as the benchmark index for the stock market in Singapore. It tracks the performance of the top 30 companies that are listed on the Singapore Exchange (SGX).

The STI is jointly calculated by the SGX, the SPH Media Trust and the FTSE Group.