The Physics of Wall Street

The Physics of Wall Street

James Owen Weatherall

intermediate8 chapters · 24 levels

Uncover the surprising scientific history behind modern finance and see how physicists traded laboratories for trading floors to revolutionize the way we measure risk. You will learn to navigate the complex relationship between mathematical models and market reality, gaining the critical insight needed to understand the hidden forces driving today’s global economy.

1

The French Connection: Louis Bachelier

Explores the origins of quantitative finance through Louis Bachelier's discovery that stock price movements mirror the random motion of particles in physics.

The Drunkard's Walk on the Bourse

The Mathematical Eye for Value

Forgotten Genius and Rediscovery

2

The Bell Curve and Its Discontents

Introduces Maury Osborne and Benoit Mandelbrot, contrasting the neat 'Normal' distribution with the messy reality of wild randomness.

Osborne's Log-Normal Law

Mandelbrot's Fractal Markets

The Cotton Price Mystery

3

The Mathematician Who Beat the Dealer

Follows Ed Thorp's journey from card counting in Vegas to creating the first successful quantitative hedge fund.

Counting Cards and Calculating Odds

The Secret Formula for Warrants

Convertible Arbitrage

4

The Alchemy of Risk-Free Profit

The story of Black, Scholes, and Merton and the formula that created the trillion-dollar derivatives market.

The Black-Scholes Breakthrough

The Magic of Dynamic Hedging

The Volatility Smile

5

When the Formulas Failed

Analyzes the 1987 crash and the LTCM collapse to show how blind faith in models can lead to catastrophe.

Black Monday and Portfolio Insurance

The Collapse of LTCM

Model Error vs. Human Error

6

Chaos Theory and the Prediction Company

Doyne Farmer and Norman Packard apply chaos theory to find hidden patterns in market noise.

Finding Order in Complexity

The Physics of Data Mining

The Evolution of Quants

7

The Gauges of Finance

Explores advanced concepts like Gauge Theory and how they might provide a more stable foundation for economics.

Symmetry in the Markets

The Black-Litterman Model

The Physics of Money

8

A New Manhattan Project for Econ?

Weatherall's concluding argument for why we need more physics in finance, not less, to prevent future crashes.

Models as Maps, Not Reality

The Ethics of Engineering Finance

Building a Better Financial Science

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