# Thai Stock Market Summary May 2026: SET Index Hits 2.75-Year High

- Link: https://www.thailand-business-news.com/set/314252-thai-stock-market-summary-may-2026-set-index-hits-2-75-year-high
- Published: 2026-06-15T05:39:00+07:00
- Author: SET News

## Summary

Summary of the Thai Stock Market in May 2026: The SET Index reached 1,568.37 points,
marking the highest level in 2 years and 9 months. Daily trading value saw a significant
increase, and foreign investors returned to net buying. Certain industries, such
as technology and industrial goods, performed better than the overall index. Additionally,
the Thai economy showed signs of recovery, supported by increased investments and
exports, while global geopolitical concerns eased. The government introduced a stimulus
package worth 400 billion baht to boost economic growth.

### Key Points

 * The SET Index closed at 1,568.37 points in May 2026, its highest point in 2 years
   and 9 months, increasing by 5% from the previous month and 24.5% since the end
   of 2025.
 * Average daily trading value of SET and mai in May 2026 was 66,479 million baht,
   up 53.4% compared to the same period last year.
 * For the first 5 months of 2026, the average daily trading value was 64,195 million
   baht, marking a 51.9% increase from the same period in 2025.
 * Technology and industrial goods sectors performed better than the SET Index compared
   to the end of 2025.
 * Foreign investors returned to net buying in May 2026, with a net purchase of 
   3,366 million baht, leading to a cumulative net purchase of 20,004 million baht
   in the first five months of 2026.
 * Foreign investors accounted for the highest share of trading value at 52.8%, 
   followed by domestic retail investors at 32.6%, domestic institutional investors
   at 7.2%, and securities companies at 7.4%.
 * Crude oil prices decreased in May 2026 but remained higher than pre-Middle East
   conflict levels.
 * Global stock market volatility, including Thai stocks, decreased in May 2026.
 * AI-related themes and investments in digital infrastructure continued to be key
   drivers for the global stock market.
 * Thailand’s stock market showed strong performance in 2026, with large IPO deals
   expected in the U.S. markets.
 * Thai economic growth in Q1/2026 expanded by 2.8% YoY, exceeding analysts’ expectations.
   The growth was supported by strong investments and exports.
 * The Thai government announced a 400 billion baht economic stimulus package, focusing
   on immediate relief for citizens and promoting energy transition and infrastructure
   development.
 * The earnings of Thai listed companies in Q1/2026 showed growth, with net profits
   increasing by 25.3%, driven by industrial goods, resources, and technology sectors.
 * Analysts have revised future earnings projections upward for various industries,
   especially those related to oil and commodities.
 * Inflation trends and monetary policies of major central banks remain key factors
   influencing global financial markets.
 * The Earning Yield Gap (EYG) of the Thai stock market was near 4% in May 2026,
   reflecting a continued recovery of the SET Index.

The SET Index reached its highest point in May 2026 due to several key factors:

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### 1. **Strong Market Performance**

 * The SET Index closed at **1,568.37 points**, marking a **5% increase** from the
   previous month and a **24.5% increase** from the end of 2025.

### 2. **Increased Trading Activity**

 * The average daily trading value of SET and mai rose to **66,479 million baht**,
   which is a **53.4% increase** compared to the same period last year, indicating
   a robust recovery in market activity.

### 3. **Foreign Investment**

 * Foreign investors returned to net buying, with a net purchase of **3,366 million
   baht** in May 2026, contributing to a cumulative net purchase of **20,004 million
   baht** in the first five months of the year.

### 4. **Sector Performance**

 * Specific sectors, particularly **technology** and **industrial goods**, outperformed
   the overall SET Index, which attracted more investment into these areas.

### 5. **Economic Recovery Indicators**

 * The Thai economy showed signs of recovery, with GDP growth of **2.8% YoY** in
   Q1/2026, driven by strong investments and exports.

### 6. **Government Stimulus Measures**

 * The announcement of a **400 billion baht economic stimulus package** aimed at
   boosting spending and investment helped improve market sentiment.

### 7. **Global Market Trends**

 * Easing geopolitical concerns and a decrease in global stock market volatility
   contributed to a more favorable investment environment.

These factors combined created a positive outlook for investors, driving the SET
Index to its peak in May 2026.

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**Source** : [Presentation summarizing the overall stock market situation in May
2026