Philip Tetlock · study 1 of 5
Superforecasting: predicting is a skill you can practise
Do not trust the loudest, surest voice - trust the careful method and the checked record, and practise your own guessing like any other skill.
The setup - guessing the future is a skill, not magic
Imagine your class is playing a game. The teacher asks, "Will it rain tomorrow?" Everyone shouts a guess. Some children shout loudly and sound very sure. Some think quietly, look at the sky, remember what the last few days were like, and then give a careful answer. After many days of this game, something surprising happens. The loud, sure children are not the best. The quiet, careful children guess right far more often.
Philip Tetlock is a researcher who spent years studying exactly this. He is not an investor. He is a person who ran big, careful tests to find out who guesses the future well, and why. He gathered thousands of ordinary people - teachers, retired people, students, shopkeepers - and asked them real questions about the world. Then he waited to see who was right.
What he found is the whole point of this study. Guessing the future well is not a magic gift you are born with. It is a skill - like riding a bicycle or solving maths problems. You can practise it, and you get better. And here is the part that shocked many people: some ordinary, careful people beat famous experts who appeared on TV. Tetlock called the very best of these ordinary people superforecasters - not because they had special powers, but because they had good habits. This study is about those habits, and how you can start building them yourself.
The read - practice slowly pulls your guess toward the truth
Most people think good guessing is about being clever, or about knowing secret information. Tetlock found it is mostly about method - the careful way you go about it. And method improves with practice.
Think about how you learned to throw a ball into a basket. Your first throws missed by a lot. But each time, you saw where the ball went, you adjusted your aim, and you tried again. Slowly your throws landed closer and closer to the basket. You did not become magic. You practised, checked, and corrected - again and again.
Tetlock found that the best guessers do a few plain things. They break a big question into small ones. "Will this happen?" becomes "What usually happens in cases like this? What is different this time?" They look at how often things like this happened before, instead of just trusting a gut feeling. They give a number, like "I am 70% sure," instead of vague words like "probably." And most importantly, they check later whether they were right, and they change their method when they were wrong.
None of this is magic. A child can do every step. That is the good news hidden in Tetlock's work: the skill of thinking clearly about the future is open to anyone patient enough to practise it. The loud expert who never checks his own past guesses does not improve. The quiet person who checks, learns, and adjusts gets better every year.
For reading markets, this matters a lot. The share market is full of loud, confident people making big predictions - on TV, on YouTube, in WhatsApp groups. Tetlock's research says: do not be fooled by how sure someone sounds. Sureness is not skill. Ask instead whether they have a careful method and whether they check their own record. That is where the real skill lives.
See it happen - two guessers over a year
illustrative Let us watch two friends, Rohan and Priya, play a guessing game for one year. Every month the newspaper asks a hard question about the world - will the price of onions rise, will a certain match be won, will it rain more than usual. Both friends write down a guess each month.
Rohan guesses fast. He trusts his gut, sounds very confident, and never looks back at his old guesses. Priya is different. Before each guess she asks, "How often has this kind of thing happened before?" She writes a number for how sure she is. And at the end of every month she checks whether her last guess came true, and thinks about why she was right or wrong.
| Rohan - trusts gut | Priya - careful method | |
|---|---|---|
| First 4 months | 2 right | 2 right |
| Middle 4 months | 2 right | 3 right |
| Last 4 months | 1 right | 4 right |
| Whole year | 5 of 12 | 9 of 12 |
Look at what happened. In the first four months they were about the same - Priya's method had not paid off yet. But because she checked her guesses and corrected her thinking, Priya kept improving. By the last four months she was getting almost everything right, while Rohan, who never learned from his misses, actually got worse as the questions got harder.
Neither girl was born a genius. Priya simply used the superforecaster habits: break the question down, look at how often things happened before, give a number, and check the score honestly. The gap between five right and nine right was not talent. It was practice plus honest checking. That is Tetlock's whole message in one small game.
Where this idea can trip you up
A true surprise can beat even the best guesser. Superforecasters are better on average, over many questions. But some events are true shocks that nobody saw coming - a sudden disaster, a completely new invention, a war that starts overnight. When the future takes a sharp, strange turn, even careful method can be wrong. Being a good forecaster does not mean seeing everything. It means being right more often, not always.
You need many guesses to know if someone is really skilled. One correct guess proves nothing - a stopped clock is right twice a day. The loud man on TV who once predicted a crash may just have been lucky that day. To know if a guesser has real skill, you must see their record over many questions. So be very careful about anyone who shows you their one great call and hides all the others.
Sounding sure is not the same as being right. This is the trap Tetlock warns about most. Our brains trust confident people. But confidence is a feeling, not evidence. The careful, humble person saying "I think it is about 60% likely" often knows far more than the loud person shouting "this will definitely happen." Do not mistake a strong voice for a good guess.
Using this in India
This idea fits Indian markets perfectly, and it needs no special tools - just a notebook and honesty. Our markets are noisy. Every day, TV channels, YouTube stars, and WhatsApp groups are full of very confident predictions about which way the market will go. Tetlock's research is a shield against all that noise. It tells you that loudness and confidence mean nothing on their own. What matters is method and a checked record.
You can practise the skill yourself, starting today, using anything - cricket results, the monsoon, exam outcomes, the price of vegetables. Write down a guess, write how sure you are as a number, and check later. Over months you will get better, and you will also learn something priceless: how often the confident voices around you are actually wrong. That habit - of quietly keeping score instead of trusting noise - is one of the most useful things a careful reader of markets can build. It costs nothing and protects you from a great deal.
How to spot it yourself
- Judge method, not volume. When someone predicts the future, ask how they reached the guess, not how loudly or surely they said it.
- Ask for the whole record. A single lucky call means nothing. Real skill shows up only across many guesses, wins and losses together.
- Use numbers, not vague words. Train yourself to say "about 70% sure" instead of "probably." Numbers can be checked; vague words hide.
- Break the big question into small ones. Ask what usually happens in cases like this, and what is different this time, before you guess.
- Always check the score later. The one habit that turns guessing into a skill is honestly looking back to see if you were right, and why.
- Stay humble about surprises. Accept that some events cannot be foreseen. Good forecasting means being right more often, never being right always.
Carry forward
- Guessing the future well is a skill you can practise and improve, not a magic gift.
- Ordinary, careful people ('superforecasters') often beat loud, confident experts.
- The habits are simple: break the question down, use numbers, look at past cases, and check your score.
- A confident voice is not evidence - real skill shows only across many checked guesses, not one lucky call.
Do not trust the loudest, surest voice - trust the careful method and the checked record, and practise your own guessing like any other skill.