science

Volume–price trend

Volume–price trend is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Volume–price trend rather than just read about it. In short: Volume–price trend (VPT) (sometimes price–volume trend) is a technical analysis indicator intended to relate price and volume in the stock market. VPT is based on a running cumulative volume that adds or subtracts a multiple of the percentage change in share price trend and current volume, depending upon the investment's upward or downward movements.

Key takeaways

Volume–price trend belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Volume–price trend to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Volume–price trend from memory before moving on to harder problems.

Reference excerpt

Volume–price trend (VPT) (sometimes price–volume trend) is a technical analysis indicator intended to relate price and volume in the stock market. VPT is based on a running cumulative volume that adds or subtracts a multiple of the percentage change in share price trend and current volume, depending upon the investment's upward or downward movements.

Formula

VPT = VPT prev + volume × close today − close prev close prev {\displaystyle {\text{VPT}}={\text{VPT}}_{\text{prev}}+{\text{volume}}\times {{\text{close}}_{\text{today}}-{\text{close}}_{\text{prev}} \over {\text{close}}_{\text{prev}}}}

VPT total, i.e. the zero point, is arbitrary. Only the shape of the resulting indicator is used, not the actual level of the total. VPT is similar to on-balance volume (OBV), but where OBV takes volume just according to whether the close was higher or lower, VPT includes how much higher or lower it was. VPT is interpreted in similar ways to OBV. Generally, the idea is that volume is higher on days with a price move in the dominant direction, for example in a strong uptrend more volume on up days than down days. So, when prices are going up, VPT should be going up too, and when prices make a new rally high, VPT should too. If VPT fails to go past its previous rally high then this is a negative divergence, suggesting a weak move.

Similar indicators Other price × volume indicators:

Money Flow Index On-balance volume Accumulation/distribution index

References

External links STEP3_Tutorial

Worked examples

Example 1 — a first encounter with Volume–price trend

Start with the simplest possible case. Write down what Volume–price trend claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Volume–price trend before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Volume–price trend ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Volume–price trend

In research: Volume–price trend appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Volume–price trend in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Volume–price trend is common in secondary-school and first-year university syllabi. It links to neighbouring topics Technical indicators, so understanding it makes those chapters shorter.
In everyday life: Look for Volume–price trend outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Volume–price trend in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Volume–price trend means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Volume–price trend out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Volume–price trend in simple terms?

Why does Volume–price trend matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Volume–price trend?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Volume–price trend.