Volume Profile Basics
A normal volume pane says when trading happened. A profile says where, and where is the more useful question.
Volume profile plots traded volume horizontally against price rather than against time, showing which price levels attracted the most activity over a chosen period. The busiest level is the point of control, and the band holding roughly 70 per cent of volume around it is the value area. Levels with very little volume are passed through quickly on a revisit, while high-volume levels tend to slow price down because many participants hold a reference there.
What to remember
- The point of control is the single busiest price, and the value area is the roughly 70 per cent of volume surrounding it.
- Thin levels invite fast movement on a revisit because almost nobody transacted there and almost nobody has a decision to make.
- A session, a week and a quarter produce three different points of control on the same chart, and none is more correct.
- Spot forex volume is your broker's tick volume. The shape of the profile survives that better than the numbers do.
Lesson 21 of 22 in Trading indicators
Volume plotted sideways
A standard volume pane answers when trading happened. Volume profile answers where. It takes the same data, buckets it by price rather than by time, and draws a horizontal histogram down the side of the chart showing how much traded at each level.
That change of axis produces a different kind of map. A conventional chart tells you price spent Tuesday afternoon near 1.0870. A profile tells you that more contracts changed hands at 1.0862 than at any other price in the period, regardless of when. Those are not the same statement, and the second is the one that describes where participants have a reference.
One session, a 50-pip value area
Take a EUR/USD session that ranged between 1.0820 and 1.0920, a hundred pips top to bottom. Build the profile and three features appear.
- Point of control at 1.0862. The single price level with the most volume traded. More agreement occurred here than anywhere else in the session.
- Value area from 1.0840 to 1.0890. The band containing roughly 70 per cent of the session's volume, 50 pips wide, centred near the point of control.
- A low-volume node at 1.0905. Price passed through this level twice and spent under four minutes there in total.
Read those together and the session's shape becomes clear without looking at a single candle. Half the day's range carried less than a third of its business. The market was in balance across a 50-pip band and spent the rest of the session in brief excursions either side of it, the thinnest of them above 1.0890.
That has a direct use. If price returns to 1.0905 tomorrow, there is very little history at that level to slow it down, so it is a reasonable place to expect fast movement rather than a reaction. If it returns to 1.0862, a large number of participants have a position or a reference there.
Fast through the thin, slow through the thick
The mechanism is not mysterious. Price levels that attracted a lot of volume did so because buyers and sellers disagreed there for a long time, which means a great many positions were opened at those prices. When price revisits, those positions become decisions: hold, add, or get out at breakeven. Decisions generate orders, and orders slow price down.
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Volume Profile Basics: questions
What is the point of control in volume profile?
What does a low-volume node mean?
Does volume profile work in forex?
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