คลิกเพื่ออ่านบทความฉบับภาษาไทย
We all know the feeling
A stock is rocketing higher. Friends are buzzing about it. Social media is filled with soaring charts. Suddenly, the thought becomes overwhelming: if I don’t buy now, I’ll miss out. That feeling has a name. FOMO, or fear of missing out, is one of the most powerful and destructive impulses in investing.
What is actually happening
FOMO is not simply excitement; it is several psychological forces at work simultaneously.
It starts in the brain’s oldest structure, the amygdala, which controls our fight-or-flight response. The amygdala does not distinguish between an actual threat and a perceived one. When we sense that others are gaining while we are not, the brain treats it as a threat and pushes us toward immediate action. That urgency feels rational, but it is not.
On top of this is loss aversion. Research shows that humans feel the pain of a loss more deeply than the pleasure of an equal gain. When we watch a stock rise without us, our brain registers it not as a missed opportunity but as a loss already taken.
Recency bias compounds this further. When a stock has risen sharply, we assume it will continue to rise. Recent price action dominates our thinking, pushing aside the question of whether the price is actually justified.
Together, these FOMO forces push investors toward the same decision at the same time.
How it plays out
The pattern is consistent. A stock rises on momentum and attention. Late buyers enter near the peak, driven by the crowd rather than by analysis. When sentiment shifts, those same buyers are the last to hold and the first to panic-sell. FOMO turns into regret, which turns into a realized loss.
The investor who acted on emotion has not only lost money but also reinforced the habit of reacting rather than thinking.
A process is the antidote
FOMO thrives in the absence of a framework. When there are no predefined criteria for what makes a stock attractive, every price jump feels like a call to action.
A disciplined process does not eliminate emotion, but it gives emotion less room to operate. The FVMR framework, the A. Stotz Stock Picking Checklist and World Class Benchmarking have been developed precisely for that purpose. When the decision is grounded in fundamentals, valuation, momentum, and risk (FVMR), the noise of the crowd becomes easier to ignore.
Free reports and resources
At Uncovered Thai Stocks, our frameworks shape every report we produce. Our reports are objective, data-driven, and built to help investors ask better questions before they act. They are not investment recommendations; they are a starting point for further research.
Here are four resources to help you go deeper:
Top 50 Uncovered Thai Stocks as of 1Q26 — Our quarterly ranking of the most attractive Uncovered Thai Stocks, based on the FVMR framework and the A. Stotz Stock Picking Checklist.
Reports — Our reports (linked in our Top 50 posts) are published each quarter in English and Thai on Settrade and are also available on institutional research platforms such as FactSet, Bloomberg, LSEG, and Smartkarma.
Uncovered Thai Stocks Snapshots — A comprehensive overview of each company in our 300-stock universe, covering business overview, revenue breakdown, sector overview, competitive positioning, constraints to growth, and risks.
Reading Between the Lines — A series that reads consecutive MD&A filings side by side, comparing each quarter to the one before and raising what is worth a closer look.