How market makers move markets
The Other End
of the Trade
Every option has a dealer on the other side of it. The dealer hedges in the underlying to stay neutral, and that hedging is forced, structural and measurable. This book teaches it from the ground up, for a reader who knows algebra and some statistics: returns and risk, the products, options and the Greeks, one dealer's hedge and then the whole market's. Then it shows how to trade with that knowledge.
Every option ever traded created an obligation for someone to transact in the underlying. The market is, in part, the integral of those obligations.
The figure: a price path through a field of strikes. Each line is a strike, drawn as heavy as the gamma dealers hold there, and the bars at the edge are the same profile. Above the flip, where dealers are long gamma, their hedging leans against every move and the path is pinned between the walls. Below it the same hedging leans with the move, and the path runs.
How it is arranged
Thirteen parts and a reference section, meant to be read in order. Each chapter lists what you need to know first and ends with questions to check yourself.
Foundations, mechanism, practice
Parts I to V lay the ground: returns and risk, markets, models, derivatives and options. Parts VI to IX are the mechanism, from one dealer's hedge to the whole market. Part X takes the known sources of return one by one. Parts XI to XIII turn it all into trading: swing setups, a strategy atlas and the discipline that keeps an edge alive.
Made to be played with
Fifty-four interactive figures, each with its controls under it. A figure illustrates the passage beside it, and the text stands on its own without one.
Education and analysis
Nothing here is a recommendation to trade. Where a number is a rule of thumb rather than a fitted estimate, the text says so, and no figure prints a probability of profit.
The parts
In reading order. The chapter count beside each part is computed when the book is built.
How returns behave and how risk is measured: simple and log returns, the shape of a distribution, expected value, the Sharpe ratio and what it misses, drawdown, leverage, correlation, and the four places an edge can come from.
What you actually trade. “The S&P 500” is at least six products with their own settlement, taxes and trading hours, and beneath them sits the routing that decides who fills your order and at what cost.
Building a trading model, fitting it and testing it honestly: regression and classification, mean reversion and momentum, gradient descent, and how much to trade and how often.
Futures, swaps and options share one logic and differ mainly in their payoff. The part ends on why derivative markets exist at all.
The contract and its four basic positions, what an option’s price is made of, the Greeks of every order, volatility from daily moves to the implied surface, and put-call parity. Every later part assumes it.
Every option has a business on the other side of it: what that dealer inherits in the trade, how it neutralizes direction, and why gamma keeps undoing the hedge.
Why delta hedging is the correct strategy, derived in five steps to the Black-Scholes-Merton equation. A hedged option turns out to be a bet on realized volatility against implied.
From one dealer’s book to the market: gamma summed across strikes and expiries into gamma exposure, the two regimes it describes, and the episodes in which the framework broke.
The mechanism applied: the VIX as the same machinery seen from above, same-day options and what they have done to intraday volatility, and a classifier for reading the tape.
The known sources of return, each taken apart: the equity and variance risk premia, trend, carry, equity factors, calendar effects and regime filters, and the edges not worth trading.
How to swing-trade SPX, SPY and the largest stocks once the mechanics are known. The central claim is narrow: short-horizon mean reversion that holds only while specific, measurable conditions do.
About fifty-eight named option strategies, each reduced to its parts and sorted by difficulty, with margin and assignment at the end. Written to be looked up rather than read through.
The gap between paper and live results, and the discipline that closes it: the retail haircut, a conviction score, kill rules, worked examples, setup cards, the portfolio and its total vega.
The glossary, every formula on one page, the reading list and the one-page checklists.
How it is built
The book is written from two sources: the Education curriculum of the Dealer Mechanics Lab and the SPX/XSP Edge Book. Both were rewritten for a reader new to markets, with the maths taught where it is first needed. Every number, study and caution in the sources was kept, or its removal recorded in the book's notes.
A term with a dotted underline opens its definition. Every term is also in the glossary, and every formula is on one page in the reference section. The figures draw in the book's colors, follow its light and dark themes, and need no network.
The whole book installs to a home screen and reads with the network switched off. Nothing on any page is fetched from anywhere.