Education · Stage 6 · 03
The four types of day
Sessions come in a small number of shapes, and having names for them is genuinely useful. There is one catch, and it is the whole reason this article is written carefully: you only know which kind of day it was once it has finished.
Mak · 3 min read · Stage 6, article 3 of 4
The four shapes
The catch
Each of those shapes is defined by where the day ended. A trend day is one that closed near an extreme. A reversal day is one that went somewhere and came all the way back. A range day is one whose edges held until the close.
Which means the classification is retrospective by construction. At 10:30 a trend day and a reversal day are the same chart: a market that has gone one way. The difference appears in the afternoon.
Naming the day early is forming a hypothesis, not reading a fact. Both are legitimate. Confusing them is what makes people defend a label instead of watching the market.
Every source that tells you to «identify the day type in the first thirty minutes» is asking for a guess. The guess is worth making — as long as it is written down as a guess, with the thing that would disprove it written next to it. That is exactly what the fourth job in the preparation article was for.
What each type does to a plan
This is the useful half, and it is not about prediction at all. It is about what happens when you bring the wrong plan to a day.
| The day is | What it does to a plan built for the opposite |
|---|---|
| Trending | A plan that fades extremes sells into strength repeatedly, and every attempt looks briefly right before it is not. |
| Ranging | A plan that follows breakouts gets a small break in each direction and is wrong at both ends of the day. |
| Reversing | Punishes both: the morning rewards trend-following and the afternoon takes it back with interest. |
| Expanding | Punishes the plan that assumed the quiet stretch was the whole day. Sizing chosen for a slow morning meets an afternoon that is not. |
Read that table again and notice the pattern: the damage never comes from the day itself. It comes from the mismatch. A range day is harmless to somebody who noticed it was a range day.
How to use the names honestly
- Form the hypothesis in the morning, from the night, the gap and the opening range — and write what would break it.
- Re-ask the question at midday. The single most useful check of the session is «is this still the day I thought it was?»
- When the answer is no, change the plan rather than the evidence. This is where most sessions are actually lost.
- Label it properly at the close, in your notes, when you finally know. That record is what teaches you to recognise the early signs — and it takes months, which is why nobody sells it.
There is no shortcut hidden in this article and no percentages attached to the four names. What there is, is a vocabulary for a question worth asking every day at eleven o'clock, and the honesty that the answer is provisional until the bell.