investing

When Markets Crash

Your brain is the problem. History is the proof. Time is the answer.

Sathyan··11 min read

You wake up, reach for your phone, and open your portfolio app before your eyes are fully open. The screen is red. Not slightly red — aggressively, insistently red. Down 4% overnight. Every single line is negative.

You check the news. "Markets in freefall." "Worst week since 2020." You close the app. Open it again two minutes later. Still red. You do this five more times before breakfast.

If you've invested in equity for any meaningful length of time, you know this morning. Maybe you're living it right now.

Your Brain Wasn't Built for This

Thousands of years ago, your ancestors survived because their brains were wired for one thing: avoiding danger. A rustling in the bushes? Run first, ask questions later. That wiring hasn't changed. Your brain processes financial loss the same way it processes physical threat — with a flood of cortisol, a spike in heart rate, and an overwhelming urge to do something.

Psychologists call this loss aversion. Kahneman and Tversky showed that the pain of losing ₹1,000 is roughly twice as intense as the pleasure of gaining ₹1,000. So when your portfolio drops 30%, it doesn't just feel bad — it feels catastrophic. Your brain screams that you must act immediately.

The problem is that acting immediately is almost always the worst thing you can do.

The Traps I've Watched People Fall Into

Loss aversion is just the opening act. I've watched smart, capable people walk into every one of these traps.

The most common is the "this will go on forever" feeling. Markets have been falling for three weeks, and something in your gut is convinced they'll keep falling indefinitely. Last month, when they were rising, that same gut said they'd rise forever. Wrong both times — but the conviction is absolute.

Then there's the anchor. You bought a fund at NAV 45. It's now 32. Rationally, 32 might be a perfectly good price. But your brain can't stop measuring it against 45. I've seen people hold terrible investments for years waiting to "get back to even" — and sell great ones at a loss because they couldn't stand looking at that gap.

You know that feeling when everyone in your WhatsApp group is selling, your colleague is moving to FDs, and your uncle calls to say he "saw this coming"? There's a voice whispering, "Maybe they know something I don't." They don't. They're scared, just like you. But when the whole herd is running, standing still feels reckless — even when it's the smartest thing you can do.

And the cruelest trap? The feeling that you must do something. Sitting still while your portfolio bleeds feels irresponsible. Your brain demands action — any action — even when the best possible move is to do absolutely nothing.

None of these are character flaws. They're features of the human brain that kept your ancestors alive. They just happen to be terrible for investing.

A History of Ends That Weren't

Every crash comes with a convincing story. And every story is wrong about one thing: that this time, the world won't recover.

2000: The Dot-Com Bust

"The internet was a bubble. The Sensex will never recover."

Sensex fell from 6,150 to 2,600 — a 58% drop. ₹10 lakh became ₹4.2 lakh. Recovery felt impossible for three years. By 2006, the Sensex hit 12,000 — double the pre-crash peak.

2008: The Global Financial Crisis

"The financial system is collapsing. This is the end."

Sensex crashed from 21,000 to 8,000 in ten months. ₹10 lakh became ₹3.8 lakh. Mutual fund statements were physically painful to open. It recovered to 21,000 by November 2010. The units bought at 8,000 were the best investments people ever made. They just didn't know it at the time.

2020: COVID

"A global pandemic with no vaccine. Economies are shutting down."

Sensex fell from 42,000 to 25,000 in one month. Flights grounded. Cities locked down. It felt existential. The Sensex was back to 42,000 within eight months.

2025-26: The Current Correction

"AI was overhyped. Tariff wars. India's growth story is fading."

Small-caps down 40-60% from peaks. The Sensex dropping 3,000+ points in single sessions. Sound familiar?

Every crash felt like the end of the world to the people living through it. None of them were.

CrashFallRecovery Time5 Years After Bottom
2000~58%~3 years~13,000 (5x)
2008~62%~2 years~27,000 (3.4x)
2020~40%~8 months~60,000+ (2.4x)

The falls are terrifying. The recoveries are remarkable. And the people who benefit are — without exception — the ones still invested when the recovery begins.

The Price of Sitting on the Sidelines

I know someone who sold everything in 2020 — right after the COVID crash. He planned to "get back in when things stabilize." Markets recovered without him. By the time things felt safe, the Sensex was higher than where he'd sold. He missed the entire recovery.

Over 20 years, that kind of gap compounds devastatingly. The portfolio that stays invested ends up 40-60% larger — because the strongest recoveries happen in the first few months after a crash. Miss those months, miss the bulk of the rebound.

The cruel part: the biggest single-day gains almost always happen within weeks of the biggest single-day losses. They cluster together. You cannot avoid one without missing the other.

Timing the market means getting two decisions right: when to get out, and when to get back in. Most people botch the second. Markets always seem "too high" or "still risky" — and the waiting stretches from months to years.

Why Being Smart Doesn't Help

I used to think understanding these biases would make me immune. I was wrong. Knowing about loss aversion doesn't make a 30% drop hurt less. The knowledge just gives you a tiny window — maybe a few seconds — between the feeling and the action. Sometimes that window is enough. Sometimes it isn't.

There's a story about Isaac Newton I think about a lot. In 1720, he invested in the South Sea Company, made a profit, and sold. Smart. But then he watched the stock keep climbing. His friends were getting rich. He bought back in near the peak and lost £20,000 — an enormous fortune. He reportedly said, "I can calculate the motions of the heavenly bodies, but not the madness of the people."

The man who invented calculus got destroyed by FOMO. It's not about intelligence. It's about who has built systems that prevent panic from becoming a trade.

The Three-Year Rule

Here's something I tell almost everyone starting out: for the first three years, don't look at your portfolio. Set up your SIPs, verify the mandate, and close the app.

Why three years? That's roughly how long it takes for compounding to become visible, and for you to live through at least one correction. You need to know what -20% feels like in your body before you can trust yourself during -40%.

The people who survive crashes are rarely the ones with iron willpower. They're the ones who removed the temptation. They didn't develop superhuman discipline — they just didn't open the app. There's a reason recovering alcoholics don't keep whiskey in the house.

In your first three years, check your portfolio once a quarter at most. The daily number is noise. The decade-long trend is signal. You're not yet in a position to tell them apart — and that's okay.

What a Crash Actually Is

When you see 30% off at a store on something you were going to buy anyway, you feel smart. "What a deal."

A market crash is a 30% off sale on equity funds you're planning to hold for 15-20 years. Your SIP is buying units at a discount. Every month, more for the same money. The only reason it doesn't feel like a sale is because you already own some at the old price.

If you're 10-15 years from needing the money, today's price is irrelevant. The destination hasn't moved. The road just got bumpier for a while.

The Noise Machine

News channels make money from attention. Attention peaks during fear. Therefore, fear is good for business.

"Should you sell everything?" gets more clicks than "Keep doing what you're doing." The person on TV telling you to panic is trying to fill a 24-hour news cycle. You're trying to build wealth over decades. These goals are fundamentally incompatible.

During the 2020 crash, the most-shared content predicted years of economic devastation. The Sensex recovered in eight months. The doomsayers moved on to the next story.

During a crash, reduce your consumption of financial news, not increase it. The news tells you what happened. It cannot tell you what will happen. And it will absolutely make you feel worse.

Remember Why You Started

Your child still needs college fees in 12 years. That hasn't changed because the Sensex dropped 3,000 points. Your retirement plan isn't cancelled because small-caps are down 40%.

I find it helps to write your goals somewhere you'll see them — not in your investment app, that's the last place you want to be during a crash. A sticky note on your desk. A note on your phone. "This SIP exists because my daughter needs ₹25 lakh in 2038." That's the timeline that matters. Not this week.

Every crash creates a gap between where your portfolio is right now and where you wish it were. That gap feels like failure. But zoom out, and every historical crash is barely a blip on a 15-year chart.

A crash changes how you feel about your investments. It changes nothing about what they can do for you over time.

Before You Panic: A Quick Checklist

Before you make any move during a crash, ask yourself:

Do you have an emergency fund? If 6-12 months of expenses are safely parked in liquid assets, your daily life isn't threatened. That's the foundation everything else rests on. If you don't have one yet, start there — read Basics of Investing.

Is this money you won't need for 5+ years? Equity is for long-term money only. If you might need this money soon, it shouldn't have been in equity to begin with — but even then, holding beats selling at the bottom.

Is your asset allocation still right? If you're unsure what the right equity-debt split looks like for your situation, Part 4: Building Your Portfolio walks through the framework.

If the answers are yes, yes, and yes — your job during a crash is remarkably simple: do nothing. Keep your SIPs running. Close the app. Go live your life.

What Comes Next

Understanding why you panic is the first step. Building a portfolio and a system that survives the panic — that's the second.

In Part 2, I cover the practical survival playbook: how asset allocation acts as a shock absorber, why rebalancing turns crashes into buying opportunities, why newcomers should start more conservative than they think, and a simple framework for what to actually do when the screen is red and your hands are shaking.

Related Reading

This article is part of an investing series. If you're building your foundation:

Disclaimer: I am NOT a certified investment advisor. This is shared purely for educational purposes. Markets carry risk, and past performance doesn't guarantee future results. Always do your own research.

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