BrokerTH
Thailand’s SET Index peaked at 1,652.97 on July 22 before easing to a range of 1,627–1,635 by July 27. A 13-session foreign buying streak drove most of the move, with sustained capital flowing into Thai equities as risk sentiment improved globally. That streak is now slowing, and the index is in the consolidation phase that typically follows a fast foreign-driven run. The question is not whether the rally was real — it was — but what sustains it from here.
What Drove the 13-Session Rally
Foreign fund inflows into SET stocks correlate with two things: risk-on sentiment globally and softening US rate expectations. The early-to-mid July period saw US economic data come in mixed enough to temporarily reduce fears of Fed tightening. That triggered a brief emerging market rotation where capital moved into ASEAN equities, with Thailand receiving a meaningful share.
The global technology stock rebound was a second driver. Daol Securities noted that Thai tech-linked stocks — particularly companies in the semiconductor supply chain — benefited from the same tailwind lifting NASDAQ-listed names. Thailand’s tech weighting in SET is not large, but it is enough to move the index when global sentiment tilts positive.
Support at 1,635, Resistance at 1,660
After the July 22 high of 1,652.97, the index found support in the 1,635–1,640 zone. The July 27 range of 1,627–1,635 stayed above that level, which is a constructive signal. Resistance sits at 1,660, with further resistance at 1,670. A break above 1,660 on foreign buying would confirm the rally’s continuation; a close below 1,627 would indicate the consolidation has turned into a correction.
Market consensus is sideways in the near term. Upside momentum depends on sustained foreign inflows and the global tech rally maintaining traction — neither guaranteed, particularly with the September Fed hike probability now at 46.5%.
Why Foreign Flows Are Slowing
Thirteen consecutive sessions of buying creates its own momentum slowdown. Investors who entered at lower prices in the early sessions now have profits to consider. The fundamental thesis — “buy emerging markets when the Fed looks stable” — reverses quickly when US data comes in strong and rate hike expectations return. The July 29 FOMC outcome, with September hike odds rising to 46.5%, is exactly the kind of event that causes foreign investors to reassess their emerging market positions.
Middle East tensions cited by Daol Securities as a secondary risk factor represent an oil price volatility overlay. A significant energy price spike would hit Thailand’s import costs, raise inflation risk, and potentially push the BOT toward a less accommodative stance — a negative scenario for growth-sensitive Thai equities.
What Thai Equity Investors Should Do
The SET’s move from roughly 1,580–1,590 at the start of Q3 to a 1,652 peak is a 4% gain in a short window. For investors already positioned, that is a solid outcome in a market that has traded in a frustrating band for much of 2026.
For investors considering adding at current levels, the case requires three conditions: the September Fed hike does not materialize, global tech maintains momentum, and Thai corporate earnings for Q2 (starting to report in August) beat consensus. That is three simultaneous conditions — a higher bar than the simple “rates stabilizing” thesis that drove the July inflows.
Watch the 1,627 support level. A breach with foreign selling would indicate the July trade has fully unwound. A hold above it with tapering volume is the more likely scenario — a quiet consolidation before the next directional move clarifies with August data.
Sectors Worth Watching
Banking stocks — KBank, SCB, Krungthai — received disproportionate foreign buying as the most liquid large-cap names international funds access first. If the rally resumes, banks remain the primary vehicle. Energy stocks face a mixed backdrop with oil price uncertainty. Consumer discretionary remains under pressure from the same household debt dynamics constraining the BOT at 1% — a drag that does not disappear just because the index had a good two weeks.
