SET50 Index & SET100 Index

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To accommodate the issuing of index futures and options in the future, and to provide a benchmark of investment in The Stock Exchange of Thailand, the SET50 Index and the SET100 Index were launched. Both indices are calculated from the stock prices of the top 50 and 100 listed companies in The SET in terms of large market capitalization, high liquidity and comply with the requirement regarding the distribution of shares to minor shareholders, and etc. The calculation method, used for these two indices, is the same as that used for the SET Index which is a market capitalization weighted index. The base dates used are August 16, 1995 (SET50 Index) and April 30, 2005 (SET100 Index), which are the respective dates when the two indices were established and set at 1000 points. The base market value is continually adjusted to correspond to changes in the values of securities resulting from changes in the number of stocks due to various events; such as public offerings, exercised warrants, conversions of preferred to common shares, and etc.


[edit] Stock Revision

The list of component stocks in the SET50 Index and the SET100 Index are revised every 6 months in order to adjust for any unexpected changes that have occurred in the stock market such as new listings or public offerings. After these adjustments are made, stocks that meet the necessary qualifications are then selected to become part of the SET50 Index or the SET100 Index. Stock selection is conducted semi-annually between December 1 - 31 and June 1 - 30. During these two periods, The Stock Exchange of Thailand will select stocks based on its pre-stipulated criteria. The revised stock lists for both the SET50 and the SET100 will be announced to the general public as soon as the lists become available. New SET100 and SET50 Indices will take affect on the first trading day in January and July of each year. For every revision, both Index calculations will treat stocks which have been withdrawn as a delisting case and stocks which have been added as a new listing case. Whenever a stock is removed from either or both of the indices, a new stock will be added to replace it and to ensure the uninterruption of the indices. Also, adjustments will be made whenever the market value of a component stock changes due to the conversion of convertible bonds, the exercising of warrants, or new shares are issued for capital increase of the component stock, etc.


[edit] SET 50 component

  1. ADVANCED INFO SERVICE PUBLIC COMPANY LIMITED
  2. AIRPORTS OF THAILAND PUBLIC COMPANY LIMITED
  3. AMATA CORPORATION PUBLIC COMPANY LIMITED
  4. BANGKOK BANK PUBLIC COMPANY LIMITED
  5. BANGKOK DUSIT MEDICAL SERVICES PUBLIC COMPANY LIMITED
  6. BANGKOK EXPRESSWAY PUBLIC COMPANY LIMITED
  7. BANK OF AYUDHYA PUBLIC COMPANY LIMITED
  8. BANPU PUBLIC COMPANY LIMITED
  9. BEC WORLD PUBLIC COMPANY LIMITED
  10. BUMRUNGRAD HOSPITAL PUBLIC COMPANY LIMITED
  11. C.P. SEVEN ELEVEN PUBLIC COMPANY LIMITED
  12. CAL-COMP ELECTRONICS (THAILAND) PUBLIC CO., LTD.
  13. CENTRAL PATTANA PUBLIC COMPANY LIMITED
  14. CHAROEN POKPHAND FOODS PUBLIC COMPANY LIMITED
  15. DELTA ELECTRONICS (THAILAND) PUBLIC COMPANY LIMITED
  16. ELECTRICITY GENERATING PUBLIC COMPANY LIMITED
  17. GLOW ENERGY PUBLIC COMPANY LIMITED
  18. HANA MICROELECTRONICS PUBLIC COMPANY LIMITED
  19. ITALIAN-THAI DEVELOPMENT PUBLIC COMPANY LIMITED
  20. KASIKORNBANK PUBLIC COMPANY LIMITED
  21. KIATNAKIN BANK PUBLIC COMPANY LIMITED
  22. KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED
  23. KRUNG THAI BANK PUBLIC COMPANY LIMITED
  24. LAND AND HOUSES PUBLIC COMPANY LIMITED
  25. MCOT PUBLIC COMPANY LIMITED
  26. MINOR INTERNATIONAL PUBLIC COMPANY LIMITED
  27. PRECIOUS SHIPPING PUBLIC COMPANY LIMITED
  28. PTT CHEMICAL PUBLIC COMPANY LIMITED
  29. PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY
  30. PTT PUBLIC COMPANY LIMITED
  31. RATCHABURI ELECTRICITY GENERATING HOLDING PUBLIC CO.,LTD.
  32. REGIONAL CONTAINER LINES PUBLIC COMPANY LIMITED
  33. SAHAVIRIYA STEEL INDUSTRIES PUBLIC COMPANY LIMITED
  34. SHIN SATELLITE PUBLIC COMPANY LIMITED
  35. SIAM CITY BANK PUBLIC COMPANY LIMITED
  36. SIAM CITY CEMENT PUBLIC COMPANY LIMITED
  37. SIAM MAKRO PUBLIC COMPANY LIMITED
  38. THAI AIRWAYS INTERNATIONAL PUBLIC COMPANY LIMITED
  39. THAI OIL PUBLIC COMPANY LIMITED
  40. THAI PLASTIC AND CHEMICALS PUBLIC COMPANY LIMITED
  41. THAI UNION FROZEN PRODUCTS PUBLIC COMPANY LIMITED
  42. THANACHART CAPITAL PUBLIC COMPANY LIMITED
  43. THE AROMATICS (THAILAND) PUBLIC COMPANY LIMITED
  44. THE SIAM CEMENT PUBLIC COMPANY LIMITED
  45. THE SIAM COMMERCIAL BANK PUBLIC COMPANY LIMITED
  46. THORESEN THAI AGENCIES PUBLIC COMPANY LIMITED
  47. TISCO BANK PUBLIC COMPANY LIMITED
  48. TMB BANK PUBLIC COMPANY LIMITED
  49. TPI POLENE PUBLIC COMPANY LIMITED
  50. TRUE CORPORATION PUBLIC COMPANY LIMITED


[edit] SET 100 component

  1. AAPICO HITECH PUBLIC COMPANY LIMITED
  2. ACL BANK PUBLIC COMPANY LIMITED
  3. ADVANCED INFO SERVICE PUBLIC COMPANY LIMITED
  4. AIRPORTS OF THAILAND PUBLIC COMPANY LIMITED
  5. AMATA CORPORATION PUBLIC COMPANY LIMITED
  6. ASIA PLUS SECURITIES PUBLIC COMPANY LIMITED
  7. ASIAN INSULATORS PUBLIC COMPANY LIMITED
  8. ASIAN PROPERTY DEVELOPMENT PUBLIC COMPANY LIMITED
  9. BANGKOK BANK PUBLIC COMPANY LIMITED
  10. BANGKOK DUSIT MEDICAL SERVICES PUBLIC COMPANY LIMITED
  11. BANGKOK EXPRESSWAY PUBLIC COMPANY LIMITED
  12. BANGKOK FIRST INVESTMENT & TRUST PUBLIC CO.,LTD.
  13. BANGKOK LAND PUBLIC COMPANY LIMITED
  14. BANK OF AYUDHYA PUBLIC COMPANY LIMITED
  15. BANKTHAI PUBLIC COMPANY LIMITED
  16. BANPU PUBLIC COMPANY LIMITED
  17. BEC WORLD PUBLIC COMPANY LIMITED
  18. BUMRUNGRAD HOSPITAL PUBLIC COMPANY LIMITED
  19. C.P. SEVEN ELEVEN PUBLIC COMPANY LIMITED
  20. CAL-COMP ELECTRONICS (THAILAND) PUBLIC CO., LTD.
  21. CENTRAL PATTANA PUBLIC COMPANY LIMITED
  22. CH. KARNCHANG PUBLIC COMPANY LIMITED
  23. CHAROEN POKPHAND FOODS PUBLIC COMPANY LIMITED
  24. DELTA ELECTRONICS (THAILAND) PUBLIC COMPANY LIMITED
  25. ELECTRICITY GENERATING PUBLIC COMPANY LIMITED
  26. GLOBLEX HOLDING MANAGEMENT PUBLIC COMPANY LIMITED
  27. GLOW ENERGY PUBLIC COMPANY LIMITED
  28. HANA MICROELECTRONICS PUBLIC COMPANY LIMITED
  29. HEMARAJ LAND AND DEVELOPMENT PUBLIC COMPANY LIMITED
  30. HOME PRODUCT CENTER PUBLIC COMPANY LIMITED
  31. INDORAMA POLYMERS PUBLIC COMPANY LIMITED
  32. ITALIAN-THAI DEVELOPMENT PUBLIC COMPANY LIMITED
  33. ITV PUBLIC COMPANY LIMITED
  34. JASMINE INTERNATIONAL PUBLIC COMPANY LIMITED
  35. KASIKORNBANK PUBLIC COMPANY LIMITED
  36. KGI SECURITIES (THAILAND) PUBLIC COMPANY LIMITED
  37. KHON KAEN SUGAR INDUSTRY PUBLIC COMPANY LIMITED
  38. KIATNAKIN BANK PUBLIC COMPANY LIMITED
  39. KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED
  40. KRUNG THAI BANK PUBLIC COMPANY LIMITED
  41. KRUNGTHAI CARD PUBLIC COMPANY LIMITED
  42. L.P.N. DEVELOPMENT PUBLIC COMPANY LIMITED
  43. LAND AND HOUSES PUBLIC COMPANY LIMITED
  44. LOXLEY PUBLIC COMPANY LIMITED
  45. MAJOR CINEPLEX GROUP PUBLIC COMPANY LIMITED
  46. MCOT PUBLIC COMPANY LIMITED
  47. METROSTAR PROPERTY PUBLIC COMPANY LIMITED
  48. MILLENNIUM STEEL PUBLIC COMPANY LIMITED
  49. MINOR INTERNATIONAL PUBLIC COMPANY LIMITED
  50. NAKORNTHAI STRIP MILL PUBLIC COMPANY LIMITED
  51. NATURAL PARK PUBLIC COMPANY LIMITED
  52. PADAENG INDUSTRY PUBLIC COMPANY LIMITED
  53. PHATRA SECURITIES PUBLIC COMPANY LIMITED
  54. POLYPLEX (THAILAND) PUBLIC COMPANY LIMITED
  55. POWER LINE ENGINEERING PUBLIC COMPANY LIMITED
  56. PRECIOUS SHIPPING PUBLIC COMPANY LIMITED
  57. PTT CHEMICAL PUBLIC COMPANY LIMITED
  58. PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY
  59. PTT PUBLIC COMPANY LIMITED
  60. QUALITY HOUSES PUBLIC COMPANY LIMITED
  61. RATCHABURI ELECTRICITY GENERATING HOLDING PUBLIC CO.,LTD.
  62. REGIONAL CONTAINER LINES PUBLIC COMPANY LIMITED
  63. ROBINSON DEPARTMENT STORE PUBLIC COMPANY LIMITED
  64. ROJANA INDUSTRIAL PARK PUBLIC COMPANY LIMITED
  65. SAHAVIRIYA STEEL INDUSTRIES PUBLIC COMPANY LIMITED
  66. SAMART CORPORATION PUBLIC COMPANY LIMITED
  67. SAMART I-MOBILE PUBLIC COMPANY LIMITED
  68. SAMART TELCOMS PUBLIC COMPANY LIMITED
  69. SANSIRI PUBLIC COMPANY LIMITED
  70. SEAMICO SECURITIES PUBLIC COMPANY LIMITED
  71. SHIN SATELLITE PUBLIC COMPANY LIMITED
  72. SIAM CITY BANK PUBLIC COMPANY LIMITED
  73. SIAM CITY CEMENT PUBLIC COMPANY LIMITED
  74. SIAM MAKRO PUBLIC COMPANY LIMITED
  75. SINGHA PARATECH PUBLIC COMPANY LIMITED
  76. SINO-THAI ENGINEERING AND CONSTRUCTION PUBLIC CO.,LTD.
  77. SOLARTRON PUBLIC COMPANY LIMITED
  78. SOMBOON ADVANCE TECHNOLOGY PUBLIC COMPANY LIMITED
  79. SRI TRANG AGRO-INDUSTRY PUBLIC COMPANY LIMITED
  80. SUPALAI PUBLIC COMPANY LIMITED
  81. THAI AIRWAYS INTERNATIONAL PUBLIC COMPANY LIMITED
  82. THAI OIL PUBLIC COMPANY LIMITED
  83. THAI PLASTIC AND CHEMICALS PUBLIC COMPANY LIMITED
  84. THAI UNION FROZEN PRODUCTS PUBLIC COMPANY LIMITED
  85. THAINOX STAINLESS PUBLIC COMPANY LIMITED
  86. THANACHART CAPITAL PUBLIC COMPANY LIMITED
  87. THE AROMATICS (THAILAND) PUBLIC COMPANY LIMITED
  88. THE BANGCHAK PETROLEUM PUBLIC COMPANY LIMITED
  89. THE LANNA RESOURCES PUBLIC COMPANY LIMITED
  90. THE SIAM CEMENT PUBLIC COMPANY LIMITED
  91. THE SIAM COMMERCIAL BANK PUBLIC COMPANY LIMITED
  92. THORESEN THAI AGENCIES PUBLIC COMPANY LIMITED
  93. TICON INDUSTRIAL CONNECTION PUBLIC COMPANY LIMITED
  94. TISCO BANK PUBLIC COMPANY LIMITED
  95. TMB BANK PUBLIC COMPANY LIMITED
  96. TPI POLENE PUBLIC COMPANY LIMITED
  97. TRUE CORPORATION PUBLIC COMPANY LIMITED
  98. TT&T PUBLIC COMPANY LIMITED
  99. VANACHAI GROUP PUBLIC COMPANY LIMITED
  100. YARNAPUND PUBLIC COMPANY LIMITED