Definition

Expansion

A sustained directional relocation in which price takes new territory with meaningful bodies and relatively limited friction.

Full Explanation

Expansion is more than one large candle. It is a directional sequence in which price continues relocating into new territory instead of repeatedly trading back through the same range. Bodies tend to be meaningful, overlap is limited, and follow-through shows that the move is being maintained across multiple candles.

Mechanically, expansion tells you that aggression in one direction is repeatedly overrunning the liquidity available to contain it. The market is not merely spiking; it is accepting progressively new prices as execution continues.

The distinction matters because one dramatic candle can be produced by a brief liquidity gap or burst of aggression and then disappear just as quickly. Expansion requires persistence. When the sequence begins to develop heavier overlap, substantial counter-direction bodies, or repeated inability to take new territory, the conditions that made the expansion clean are changing.

In the Book 1 chapter

Chapter 11 · Reading the Current Market

Expansion, Acceptance, Rejection

Friction tells you how candles relate to each other. Bodies and wicks tell you what's happening inside each one. Now we zoom out one more step and give names to what those patterns of behavior actually look like when they accumulate across a stretch of candles.

From the Blog 3 posts

The Fallacy of "Key Levels" (And the Myth of "Strength")

A price level is just a number. Its significance comes entirely from the orders sitting at it right now—and those orders change constantly.

Not Trading Is the Hardest Trade

The most disciplined trade is often the one you don't take. Learn why patience is a mechanical skill, not just a mindset.

The Market Is Always Doing One of Three Things

Most traders are looking at the chart asking one question: which direction is price going to move? It's the natural question. It feels like the important one. But it's actually the second question — and jumping to it before answering the first one is a large part of why trades that seem logical end up going nowhere or reversing immediately.