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Thai equities delivered their best twelve-month performance in years heading into the close of Q2 2026. The SET index finished June 29 at 1,577.81 points, up 40.38% from the same point a year earlier — a run driven by a combination of external capital inflows, tourism recovery, strong export data, and improving regional sentiment after the Iran-linked geopolitical tensions of early 2026 eased.
The 52-week range tells the full story: SET moved from a low of 1,053.79 to a high of 1,609.71 over the past year. That 53% peak-to-trough range in a single year is not typical for an index that spent most of the 2020s grinding sideways. Something genuinely changed in the Thai equity market’s international profile, and understanding what drove it matters for how you think about H2.
What Actually Drove the Gain
Three forces did the bulk of the work. First, foreign fund inflows into Thai equities turned robustly positive in Q2 — international investors rotating out of more expensive regional markets (India, Vietnam) and into Thailand’s comparatively attractive valuations. The S&P BBB+ rating affirmed in June confirmed the sovereign credit story for institutions that need that signal before allocating.
Second, Thailand logged 14 million international tourist arrivals in the first five months of 2026. The tourism sector’s recovery has direct multiplier effects through hotel revenue, retail, transportation, and banking — particularly for listed companies in those sectors. Stocks exposed to domestic consumption and tourism have been the clearest outperformers this year.
Third, the Bank of Thailand’s decision to hold rates at 1.0% while raising its 2026 GDP growth forecast to 2.3% gave equity markets a growth-positive, rate-stable backdrop. Cheap credit supports corporate earnings, and 2.3% growth is respectable for a developed-trajectory economy navigating a difficult global rate environment.
Sectors That Won in Q2
Tourism and hospitality names led the move, as traveler arrivals translated directly into revenue upgrades. Energy stocks benefited from the Iran peace-adjacent relief rally as oil settled around $80 per barrel — low enough to support consumer spending, high enough for upstream operators to maintain margins. Banks — particularly KBank, SCB, and Krungsri — held up well in an environment where loan growth from corporate investment in AI and technology infrastructure provided offsetting demand against the BoT’s concerns about declining SME lending.
The weakest performers in Q2 were rate-sensitive fixed-income proxies like property developers and REITs, which underperformed as global rates stayed elevated even while Thai rates held flat. Industrial companies with heavy USD input costs also faced margin pressure from baht weakness.
What H2 Looks Like From Here
SET at 1,577 entering H2 is not cheap by regional comparison, but it is not stretched either. The 12-month forward P/E sits in a range that institutional buyers have historically found acceptable. The risk is concentrated in three areas: a global risk-off event triggered by an unexpected Fed move, a slowdown in tourist arrivals (monsoon season typically dips slightly), and any deterioration in Thai export demand from a weaker global manufacturing cycle.
The upside scenario: foreign buying continues as regional rotation from expensive markets persists, tourism sustains through Q3 (international visitors have shown resilience in recent years despite monsoon), and the BoT keeps rates steady through year-end. In that case, the 1,609 high from earlier this year would be revisited.
Sectors to Watch in H2
Technology and AI infrastructure plays on the SET deserve attention. The private investment in technology noted in the BoT’s commentary represents real capital expenditure coming through SET-listed companies in components, data centres, and enterprise software. Healthcare remains structurally sound given aging demographics and medical tourism. Consumer discretionary benefits from the 2.3% growth backdrop but faces currency headwinds for companies importing raw materials.
For Thai retail investors, SET at these levels rewards selectivity more than index exposure. The easy 40% move is behind us. H2 is about picking sectors with genuine earnings growth rather than riding a re-rating tide that has already lifted most boats.
