The Stock Exchange of Thailand (SET) has officially announced the results of its highly anticipated semi-annual index review for the second half of 2026. The reshuffling, which determines the constituents for major benchmarks including the premier SET50 and SET100 indices, will take effect from July 1 through December 31, 2026.
The latest calculations are based on trading and market data spanning from June 1, 2025, to May 31, 2026, reflecting substantial changes in corporate valuations and liquidity across the Thai capital market over the past year.
SET50 Reconfiguration: Retail and Aviation Sovereigns Move In
The blue-chip SET50 Index—tracking the top 50 large-cap, highly liquid stocks—welcomes four heavyweight entrants while casting out prominent names in transportation, tourism, and finance.
New Inclusions:
- Bangchak Corporation Public Company Limited (BCP)
- MR. D.I.Y. Holding (Thailand) Public Company Limited (MRDIYT)
- Thaifoods Group Public Company Limited (TFG)
- Thai Airways International Public Company Limited (THAI)
Exclusions: To make room for the new additions, four notable companies have been dropped from the SET50 roster:
- BTS Group Holdings Public Company Limited (BTS)
- Carabao Group Public Company Limited (CBG)
- Central Plaza Hotel Public Company Limited (CENTEL)
- Srisawad Corporation Public Company Limited (SAWAD)
SET100 Shifts: Tech and Utilities Gain Traction
The broader SET100 Index also undergoes a four-stock rotation, serving as an indicator of emerging institutional interest in mid-to-large-cap corporations.
New Inclusions:
- MR. D.I.Y. Holding (Thailand) Public Company Limited (MRDIYT)
- Thai Airways International Public Company Limited (THAI)
- Thaicom Public Company Limited (THCOM):
- WHA Utilities and Power Public Company Limited (WHAUP)
Exclusions: Four symbols were removed from the SET100 lineup as they slid below the eligibility threshold:
- Jasmine International Public Company Limited (JAS)
- Jaymart Group Holdings Public Company Limited (JMART)
- SISB Public Company Limited (SISB)
- SCGJWD Logistics Public Company Limited (SJWD)
Other Key Indices: Symbol Summaries
While the market’s primary focus remains locked on the SET50 and SET100, the review concurrently reshaped several specialized benchmarks. The stock variations for these auxiliary indices are defined below:
- SSET Index: Welcomes a substantial wave of fifteen inclusions, including ASP, CKP, JAS, JMART, MCOT, MONO, SISB, SJWD, SMO, SPCG, TITLE, TPIPL, TPIPP, TURBO, and UNIQ.
- SETCLMV Index: Designed to track companies with exposure to the CLMV economic region, this index includes KCG, SCAP, THAI, TTA, and TVO.
- SETESG Index: Highlighting top-performing companies in sustainability and ESG metrics, the index adds BBGI, EASTW, KCG, TPIPP, and VIH.
- SETHD Index: Tracking high-dividend equities, the new additions are BA, KTC, and TOA.
- SETWB Index: Recognizing firms utilizing the Well-Being economy framework, this index introduces MRDIYT, PRM, and THAI.
