Behave Yourself Financially: 5 Patterns That Cost Indian Investors the Most

Last Updated on April 22, 2026 by teamtfl

“Investing is not a game where the guy with the 160 IQ beats the guy with the 130 IQ. Once you have ordinary intelligence, what you need is the temperament to control the urges that get other people into trouble in investing.” – Warren Buffett

Our entire childhood went hearing one phrase from parents and elders: “Behave yourself.”

Thanks to that phrase, most of the manners and emotions we display in public are shaped by our desire to appear composed and appropriate. Behaviour controls our responses, our emotions, and our overall personality.

Now imagine your financial planner calling and saying the same thing: “Behave yourself.”

In 25 years of advising, I have seen four clients whose financial outcomes were determined almost entirely by their behaviour, not their knowledge or their income. Let me share their stories.

Four Clients. Four Behaviour Patterns. Four Outcomes.

Mr Mudgal sold all his stocks – including blue-chip stocks he had bought just a week earlier – on hearing news of artillery firing between North and South Korea. The conflict was real. The threat to his Infosys and HDFC Bank holdings was not. He sold in panic and missed the subsequent recovery entirely.

Mr Ravi was a heart patient who invested his entire emergency fund into a sector-specific fund, even though his advisor had specifically recommended a systematic investment plan rather than a lump sum. He knew his own health situation. He understood the risk of concentrating capital. He did it anyway.

Mr Gautam did not sell his stock holdings three months before his daughter’s wedding, even when the markets had peaked and he needed the money. His answer to me was one of the most profound things I have heard: “Not taking a decision to sell is also a decision.” He was right. It was the wrong decision.

Mr Paswan shifted all his mutual fund investments to a liquid fund and stopped his SIPs in March 2009 – one of the best months in the last 20 years to stay invested. Three months later, the Sensex had recovered 40%. He came back to equity at 40% higher prices.

These are not unusual cases. In 25 years, I have seen versions of each of these stories dozens of times. The instrument was different. The outcome was the same.

The Five Financial Behaviour Patterns That Cost You Money

1. Overconfidence

Ask most men who manages money better – men or women. Most men will answer in their own favour. That is overconfidence. The same pattern applies to market predictions and investment decisions.

The Dunning-Kruger effect describes what happens when someone lacks the competence to recognise their own incompetence. In investing, it shows up as “I knew this stock would recover” from someone who has never looked at a balance sheet. Or “I always buy at the right time” from someone whose portfolio tells a different story.

People in their middle years are most affected by this pattern. They have enough investing experience to feel confident but not enough to understand what they do not know. The SEBI Investor Survey 2022 found that retail investors consistently overestimate their own performance relative to benchmarks.

2. Herd Mentality

“My boss is very good with money. He drives a BMW. I should invest where he invests.”

This is one of the most common patterns I see. The subordinate fails to understand that two individuals with different goals, income levels, tax brackets, risk tolerance, and time horizons cannot share the same investment strategy. What works for the boss at 52 is not what works for you at 34.

Herd mentality also explains why money flows into equity funds at market peaks and leaves at market bottoms. When everyone around you is making money in stocks, staying out feels foolish. When everyone is exiting, staying in feels reckless. The crowd is almost always wrong at the extremes.

Read: Herd Mentality in Investing: If 10 Crore People Say Something Foolish, It Is Still Foolish

3. Fear of Change

These investors are captured by their own past. They have a very negative view of anything new. They believe markets are moving towards disaster and any change in momentum means capital loss. They forget that markets do not guarantee returns or capital in either direction.

The irony: their fear of market volatility pushes them entirely into fixed deposits and savings accounts. The result is not safety. It is a portfolio that earns 6-7% while inflation in healthcare and education runs at 8-10%. They do not lose money in nominal terms. They lose purchasing power in real terms. That is a slower, quieter kind of loss – and a very real one.

4. Fear of Action

These investors have made bad decisions before and concluded that non-action is the safest action. They wait for others to convince them so that if things go wrong, the blame can be shared. They never own their decisions fully.

The consequence: investments stay in the wrong instruments for years. A bad ULIP bought in 2008 is still sitting in the portfolio in 2026 because “deciding to exit is also a decision.” It is. And so is staying.

5. Information Overload

When you have too many options and too many inputs, you either make the wrong decision or postpone the decision entirely. In investing, postponement is rarely neutral. Every month of delay in starting a SIP has a compounding cost. Every quarter of sitting on cash while “waiting for clarity” is a quarter of returns foregone.

The solution is not more information. It is a clear framework that reduces the number of decisions you need to make. Automate what can be automated. Delegate what requires expertise you do not have.

What You Can Do Instead

Buffett’s point about temperament over IQ is not just a nice quote. It is the most operationally useful insight in investing.

You cannot fully eliminate behavioural biases. They are wired into how the human brain processes risk and uncertainty. What you can do is build a system that reduces the number of decisions that are vulnerable to those biases. Automate your SIPs so the decision to invest is not made monthly. Set a written asset allocation so the decision to rebalance is rule-based, not emotional. Work with an advisor who has seen enough market cycles to provide context when your instincts are screaming the wrong thing.

The two practical tools that work for most investors are diversification and asset allocation. Not because they eliminate risk, but because they reduce the number of high-stakes decisions you face during moments of panic.

Read: The Art of Thinking Clearly in Personal Finance

Mr Paswan stopped his SIPs at the exact bottom of the 2009 market. He knew the theory. He read the research. He still sold. Knowledge is not the problem. Behaviour is the problem.

Do the right thing. Sit tight.