Boom and bust: the balloon that bursts

Think of blowing up a balloon. You puff air in, and it grows. The bigger it gets, the more everyone around you says "wow, look at that!" - so you feel proud and puff even harder. The balloon grows huge, far bigger than a normal balloon should be. And then, with one small extra puff, or one tiny pin, it does not shrink slowly. It bursts. All at once. In a second it is a scrap of rubber on the floor.

George Soros said that markets often behave exactly like this balloon. He took his big idea - reflexivity, where belief and price feed each other - and used it to explain the wildest thing markets do: the boom and bust. A small trend gets noticed. Belief pushes the price up. The higher price makes the story look true, so belief grows, so the price goes higher still. The balloon inflates far past sensible size. Then something small pricks it, belief reverses, and the whole thing crashes down much faster than it rose.

If reflexivity is the loop, boom-and-bust is what the loop does when nobody stops it. This study is about learning to recognise the shape - the long, exciting climb, and the sudden, ugly fall - so that you can see a balloon for what it is instead of thinking it is a mountain that will stand forever.

Soros described a boom-and-bust in stages, and once you know them you start to see them everywhere. It begins with a real trend - something genuinely good is happening. A few people notice and buy. The price rises. Then belief and price begin feeding each other: the rise makes people believe, belief makes them buy, buying makes it rise more. Confidence grows louder than the facts. The price races far above what the business is really worth. At the top, everyone is sure it can only go up - and that is exactly the most dangerous moment. Then belief cracks, and the same loop runs in reverse, crashing the price down.

The key thing to read is why the fall is so fast. On the way up, everyone was helping each other believe. High price → raise money, borrow, look successful → real business grows a bit → belief grows a lot → higher price. But much of the climb was belief, not solid ground. So when doubt arrives, all the props fall away at once. A falling price means the company can no longer raise money or borrow cheaply; nervous lenders ask for their money back; frightened owners sell; the selling drops the price more. The same wheel that lifted the balloon now crushes it - but faster, because fear moves quicker than greed.

So the reading skill is to know that a boom built mostly on belief carries its own bust inside it. The higher and faster it climbs on confidence rather than facts, the harder it will fall when confidence turns. A calm, slow rise built on real earnings is a different animal from a steep rise built on everyone believing in everyone else.

illustrative Suppose a town has a made-up builder, Aarav Realty. Calmly, its shares are worth about ₹50. A real thing happens: a new highway is announced near the town. Good news! The price rises to ₹70. Fair enough so far.

Now the loop takes over. People see the price rising and say "property is booming, buy Aarav!" The price hits ₹120. At ₹120 the company sells new shares, borrows heavily from banks, and buys lots of land - all easy to do because its price is high. This makes the story look even more true. Neighbours brag about profits. The price races to ₹220, then ₹300. Almost nobody is asking whether ₹300 makes sense; everyone is sure it will reach ₹400. The balloon is huge.

Then a small pin. One bank gets nervous and refuses a new loan. Aarav Realty, which borrowed heavily assuming its price would stay high, suddenly cannot pay for the land it bought. News leaks. The price drops to ₹240. Now the loop reverses: the lower price scares other banks, who also pull back; the company must sell land cheaply to raise cash, which looks desperate; frightened shareholders rush to sell. The price falls to ₹150, then ₹80, then below ₹40 - lower than where it started, and in a fraction of the time the climb took. Nothing about the highway changed. The balloon of belief inflated and burst. Anyone who mistook the climb for solid ground was standing under it when it came down.

Not every rise is a bubble. Some prices climb for years because the business genuinely keeps getting better. If you call every strong rise a "boom that must bust," you will be scared out of some truly good things and will look foolish for years while they keep rising. The skill is to ask whether the climb rests on real growing earnings or mostly on belief and borrowing. Only the second kind is a balloon.

You cannot time the burst. This is the hardest part. Seeing that something is a bubble does not tell you when it will pop. Balloons can inflate far longer than seems possible. Soros himself often rode a boom up for a while, knowing it was a bubble, and tried to jump off near the top - which is extremely difficult and risky, and got even him badly hurt at times. Betting early that a bubble will burst has ruined many people who were "right" too soon.

The reverse loop can trap you too. In a crash it is tempting to say "it fell too far, I'll buy the bargain." Sometimes true. But in a real bust the falling price is making the company weaker, so it can keep falling far past "cheap." Catching a bursting balloon is not the same as catching a falling ball.

India has seen many boom-and-bust balloons, and you do not need to be an expert to recognise the shape. Think of a single town where land prices double every few months because everyone is buying land only because prices are rising - until one day buyers vanish and prices collapse. Think of a "hot" new share that friends in a WhatsApp group all rush into, that triples, and then falls back below where it began. Think of a fad product that every shop suddenly stocks, then nobody wants.

The pattern is always the same: a small real start, a loop of belief and price feeding each other into a steep climb, a proud peak where everyone is certain, and a crash that undoes it all faster than it built. Your job is not to predict the exact day the balloon bursts - nobody can. Your job is to recognise a balloon while others see a mountain, to feel more careful (not more excited) as the climb gets steeper and the reasons get thinner, and to remember that the loudest cheering usually comes right before the pin.

• Look for the shape: slow start, steep climb, proud peak, faster fall. Once you know it, you spot it everywhere.
• Ask what the climb rests on. Real growing earnings, or mostly belief and borrowing? Only the second is a balloon.
• Treat "it can only go up" as a warning, not comfort. Total certainty near a top is the most dangerous sign of all.
• Never bet the burst is "tomorrow." You can see a bubble and still not know when it pops; being right too early still loses money.
• In the crash, don't grab too soon. A bursting balloon keeps falling because the fall itself weakens the company.