Preface
Almost everything written about foreign exchange is written to sell something. There are strategy manuals promising a repeatable edge. There are academic treatments of exchange rate theory that never reach a quoted price. There are broker materials that describe the leverage and omit the failure rate. What is difficult to find is the connected account: the one that begins with why the market exists at all, because a company in one country must pay a supplier in another, and ends with the cost of holding a position through a Wednesday night, treating everything in between as one subject rather than several unrelated ones.
That is the gap this book was written to close. It covers what the market actually is, a decentralised over-the-counter network with no central exchange, and what that structure buys and costs. It covers how a price is quoted and read, through base and quote currencies, pips, lots, and the spread that is charged before any price movement occurs. It covers the settlement machinery that most retail material skips entirely: two-day settlement, the nightly roll that extends it, the swap points that carry the interest rate differential, and the triple charge that lands at the Wednesday cutoff. It covers what a result actually is once currency conversion, slippage, financing, and tax have been taken out. It covers the operational calendar, from session liquidity and market holidays to data releases and execution under stress. It covers the full range of tools a central bank can reach for, from policy rates, reserve requirements, and open market operations through quantitative easing, forward guidance, and negative rates, to direct intervention, jawboning, exchange rate pegs, and capital controls. And it covers what actually moves a rate: capital flows, purchasing power parity, terms of trade, the dollar index, and commodity relationships. The aim is breadth held together by logic rather than depth in one corner. There is no chapter here on the internal pricing of one exotic pair, and none that pursues a single trading method to its conclusion. Those books exist and they are worth reading once you understand where they sit. What this book gives you is the whole architecture at once.
It is a manual rather than a story. It does not build towards a revelation and it does not have to be read in the order it is printed. Every heading is written to stand on its own, so you can open the book at the section on triple rollover, or at the section on sterilised intervention, and find something complete rather than something that assumes you were present for the previous eighty pages. Where a section genuinely depends on an idea developed elsewhere, it names the chapter, so you always know where to go and never have to guess whether you have missed something.
Two conventions run through the text, and both exist to keep you reading rather than searching.
The first is that every industry term is defined in square brackets the moment it first appears, immediately after the word itself. In Chapter 1 the sentence reads: A pip [smallest unit of price movement in a currency pair, usually 0.0001 for most pairs or 0.01 for yen pairs] is the increment in which currency price movements are counted. The definition sits inside the sentence that first needs it, so nothing is used before it has been explained. Every term defined this way reappears in the Key Terms list at the end of its chapter and again in the Glossary at the back, which means a term you half-remember from two hundred pages earlier is always recoverable in seconds.
The second is that specific claims, outside figures, and reasoning that did not originate here carry a small number in square brackets. Chapter 1 states that daily turnover in the foreign exchange market exceeds $9.6 trillion [1]. That bracketed 1 refers to the first entry under Chapter 1 in the Notes at the back of the book, where the source is named in full. Where a figure is checkable, the number tells you where to check it. Where a claim belongs to someone else, the number tells you whose it is. You are never asked to take a number on trust.
The chapters are ordered by what each idea requires, not by convention about where a book on markets ought to begin. You are not shown an overnight financing charge before you have been shown that a spot trade settles two business days forward and that the settlement date must be rolled to keep the position alive. You are not shown a carry strategy before you have been shown that the swap is an interest rate differential expressed in pips. You are not shown a margin call before you have been shown what a lot is and what a single pip of movement is worth in cash. The sequence runs: what the market is and how a price is quoted, then the settlement machinery that generates the cost of holding anything overnight, then what a result actually is once conversion and costs are taken out, then the operational calendar and the reality of execution, then the policy machinery that sets the interest rates everything else depends on, and finally what moves a rate and what a defensible role in this market looks like. Nothing is assumed before it has been built.
If you have never read a currency quote, begin at the first page of Chapter 1 and take the chapters in order. Nothing is assumed of you beyond attention. If you already follow these markets, you will find your own entry point, and it is usually not where you expect. Someone who has traded pairs for years may never have read why the Wednesday roll carries three days of interest rather than one. Someone who follows rate decisions closely may never have worked through the step-by-step mechanics of a sterilised intervention, or what a currency board does that a simple peg does not. Someone entirely comfortable with pips may never have calculated that a standard lot of a yen pair produces roughly two-thirds of the cash per pip that a dollarquoted lot does. The book was built so that all of these readers can use the same pages.
The practical instruction is simple. Read it once from beginning to end, including the parts that look familiar, because the sequence is doing work that the individual sections cannot do alone. Then stop treating it as a book and start treating it as a reference. Keep it where you can reach it, and return to the heading you need when the market puts a question in front of you. It was written to be opened repeatedly, not admired once.