Discipline in Investing: Michael Merlin Highlights the Personal vs. Institutional Divide

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Michael Merlin

LinkedIn Author

We take the financially complex and make it simple

In a recent LinkedIn post, Michael Merlin explores the psychological challenges individuals face in maintaining investment discipline, contrasting it with the approach of institutional investors. Merlin, host of the Financial Longevity Podcast, shared insights from his conversation with Casey Clark, President of Rockefeller Global Investment Management, emphasizing the critical role of emotional control in navigating volatile markets.

Merlin highlights a core difference in how individuals and institutions approach investing, suggesting it’s not necessarily about superior skill but about the nature of the money being managed.

“Institutional investors aren’t necessarily better investors than individuals. The difference is that they’re investing someone else’s money.”

The Emotional Toll of Personal Investing

Merlin elaborates on the personal impact of market downturns for individual investors. When a personal portfolio experiences significant losses, the emotional response can be intense, leading to fear and a sense of urgency that can cloud judgment. He points out the amplified effect of market volatility on individual psychology.

“When your own portfolio drops 30%, 40%, or even 50%, it feels personal. Fear takes over. Headlines become louder. Every decision suddenly feels urgent,” Merlin writes, illustrating the visceral reaction many experience.

The Advisor’s Role in Emotional Discipline

According to Michael Merlin, this emotional susceptibility underscores the importance of a structured investment process and professional guidance. He clarifies that an advisor’s value extends beyond mere investment selection.

“As Casey shared, an advisor’s role isn’t just selecting investments. It’s helping clients stay focused when emotions are telling them to do the opposite.”

Merlin argues that this guidance is crucial for helping clients adhere to their long-term strategies, especially during periods of heightened market uncertainty. He suggests that advisors act as a crucial buffer against impulsive decisions driven by fear or greed.

Seizing Opportunities Amidst Uncertainty

Michael Merlin further emphasizes that significant investment opportunities often emerge during times of greatest market turmoil. The real challenge, as he relays from his discussion, lies not in identifying these opportunities in hindsight but in demonstrating the fortitude to remain invested while the uncertainty is ongoing.

“History has shown that some of the greatest investment opportunities have come during periods of the greatest uncertainty. The challenge isn’t recognizing them after the fact—it’s having the discipline to stay the course while you’re living through them.”

Merlin concludes by posing a question to his audience, inviting reflection on personal strategies for managing emotions in financial decision-making during volatile market conditions. This prompts a broader discussion on the behavioral aspects of successful investing, a theme central to the Financial Longevity Podcast.

📝 About This Content

This article is based on insights shared by Michael Merlin on LinkedIn.

📅 Originally posted on August 3, 2026 | View original post on LinkedIn →