How quantum mechanics explains stock market ?

Samrat Sengupta
Fortune For Future
Published in
3 min readOct 6, 2023

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Photo by Bamdad Norouzian on Unsplash

I am sure, you know about Mr. Albert Einstein.

You may or may not be interested about physics, but I am sure you heard his name.

He was probably the most celebrated scientist of last century.

In the year 1905, at the age of 26 he wrote 4 papers.

It was a miraculous feat to write four of the most ground breaking papers in a row.

The topics are below -

#1 Photo-electric Effect ( Concept of light quanta )

#2 Brownian Motion ( Motion of small particles in stationary liquid )

#3 Special Relativity ( The theory which actually made him a household name )

#4 Mass-Energy Equivalence / E = mc2

Each of these individual papers are so fundamental & instrumental in nature that any one of them was enough to fetch him a Nobel prize.

A 26 year old young man, writing 4 immortal papers in a single year, probably this never happened in the history of physics.

Photo by Taton Moïse on Unsplash

I feel there are some funny similarities between what Mr. Einstein proposed in these papers and how stock market behaves !

For example, let’s focus on the first paper published by Mr. Einstein. The paper was on photo electric effect.

The photo electric effect paper introduced a new concept on — how electro magnetic waves are absorbed & emitted.

Einstein deduced a model where the light wave is radiated in small packets ( energy quanta ) rather than continuous distribution.

As per this new model, light is not distributed in space in a continuous form rather it comes in discreate packets !

This idea is different than what we used to thought about any electro magnetic radiation. Isn’t it ?

Photo by Anton Maksimov 5642.su on Unsplash

Now, what about Equity Market ?

How many times in your life you bought a stock and then experienced that nothing is happening in the stock price. Absolutely nothing.

The stock price is going nowhere. It is going up 1–2% and then coming down 1–2%.

And then in a fine morning you saw it is up 15%.

Please understand, this is absolutely normal in equity market.

Returns in equity market comes into sudden packets and they are not continuous distribution over a time.

Photo by Joshua Mayo on Unsplash

It works exactly like photo-electric effect that Mr. Albert Einstein explained.

Isn’t it fascinating ?

Next time if you are convinced about a company but if it’s stock price is not moving, you know whom you should remember :)

It’s Mr. Albert Einstein !

P.S. — I personally feel investing is not a stereo type subject which you can mug up & deliver. Investing is a multi-disciplinary subject where understanding of History, Physics, Chemistry, Civilization, Biology, Medicine, Literature and everything else comes into play and can give you different angle of thought.

Reading & connecting dots between several subjects can make things interesting and I personally like it.

What do you think ? Hit reply & let me know your thoughts.

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Samrat Sengupta
Fortune For Future

Equity Investor, Positional Trader, Financial Planning Advocate, Talk about financial risks. And yeah, a SW Developer who doesn't talk about technology a lot..