SET Index

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SET INDEX
SET Index performance between 1975 and 2012
FoundationApril 30, 1975 (1975-04-30)
OperatorStock Exchange of Thailand
ExchangesStock Exchange of Thailand
Constituents545 (2011)[1]
Market capBT฿ 15.388 trillion (2017) [2]
Weighting methodCapitalization-weighted
Related indicesSET50 Index and SET100 Index
Websitewww.set.or.th

The SET Index is a Thai composite stock market index calculated by the prices of all common stocks (including unit trusts of property funds) on the main board of the Stock Exchange of Thailand (SET), except for stocks that have been suspended for more than one year. It is a market capitalization-weighted price index[3] which compares the current market value of all listed common shares with its value on the base date of April 30, 1975, when the Index was established and set at 100 points.

The formula of calculation is as follows:

SET Index = ( Current Market Value x 100 ) / Base Market Value

The SET Index calculation is adjusted in line with modifications in the values of stocks resulting from changes in the number of stocks due to various events, e.g., public offerings, exercised warrants, or conversions of preferred to common shares, in order to eliminate all effects other than price movements from the index.

Besides the SET Index, which is calculated from the stock prices of all common stocks listed on The SET, The SET also provides other indices to investors that include the:

Annual Returns

The following table shows the annual development of the SET Index since 1975.[4]

Year Closing level Change in index
in points 		Change in index
in %
1975 84.08
1976 82.70 −1.38 −1.64
1977 181.59 98.89 119.58
1978 257.73 76.14 41.93
1979 149.40 −108.33 −42.03
1980 124.67 −24.73 −16.55
1981 106.62 −18.05 −14.48
1982 123.50 16.88 15.83
1983 134.47 10.97 8.88
1984 142.29 7.82 5.82
1985 134.95 −7.34 −5.16
1986 207.20 72.25 53.54
1987 284.94 77.74 37.52
1988 386.73 101.79 35.72
1989 879.19 492.46 127.34
1990 612.86 −266.33 −30.29
1991 711.36 98.50 16.07
1992 893.42 182.06 25.59
1993 1,682.85 789.43 88.36
1994 1,360.09 −322.76 −19.18
1995 1,280.81 −79.28 −5.83
1996 831.57 −449.24 −35.07
1997 372.69 −458.88 −55.18
1998 355.81 −16.88 −4.53
1999 481.92 126.11 35.44
2000 269.19 −212.73 −44.14
2001 303.85 34.66 12.88
2002 356.48 52.63 17.32
2003 772.15 415.67 116.60
2004 668.10 −104.05 −13.48
2005 713.73 45.63 6.83
2006 679.84 −33.89 −4.75
2007 858.10 178.26 26.22
2008 449.96 −408.14 −47.56
2009 734.54 284.58 63.25
2010 1,032.76 298.22 40.60
2011 1,025.32 −7.44 −0.72
2012 1,391.93 366.61 35.76
2013 1,298.71 −93.22 −6.70
2014 1,497.67 198.96 15.32
2015 1,288.02 −209.65 −14.00
2016 1,542.94 254.92 19.79
2017 1,753.71 210.77 13.66
2018 1,563.88 −189.83 −10.82
2019 1,579.84 15.96 1.02
2020 1,449.35 −130.49 −8.26
2021 1,657.62 208.27 14.37
2022 1,668.66 11.04 0.67
2023 1,415.85 −252.81 −15.15
2024 1,400.21 −15.64 −1.10

Components

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Automotive

Consumer electronics

Communications

Construction material

Chemicals

Oil & gas

Electric power

Steel products

Aviation

Construction

Resources

Banking

Insurance

Real estate

Retail

Health care

Commerce

Media

Transportation

Services

References

  1. ^ Stock Exchange of Thailand (2012). Management Discussion and Analysis 2011 (PDF). Retrieved 6 October 2012.
  2. ^ "SET Market Overview". SET.
  3. ^ "Product & Services - SET Index Series". Stock Exchange of Thailand. Retrieved 23 June 2010.
  4. ^ "Market Statistics". www.set.or.th. Retrieved 2020-01-21.