Price and volume
Reading price and volume together shows how much participation came with a move. Volume rising or falling along with the move can lead to different readings. These readings are hints; on their own they do not say what price will do next.
Why read them together?
Price shows where the market is going; volume shows how much trading came with that move. The same rise can come with rising or with falling volume. The two cases can draw the same price chart and still describe a different level of participation.
What matters here is not the absolute size of volume but how it changes against the earlier candles. So the comparison is made on the same timeframe, in the same data source and between closed candles.
What price and volume show together
The cards below sum up common combinations and how they are usually read. Each describes a possibility, not an outcome.
Price rises, volume rises
Participation in the rise is growing. This can be read as the move being accepted by the market. Limit: if the extra volume sits in a single candle, the rise can lose pace after that candle.
Price rises, volume falls
The rise continues while participation shrinks. This can be read as the move losing strength. Limit: volume drops anyway in quiet periods, at weekends or on holidays; a rise can carry on for a long time on low volume.
Price falls, volume rises
Participation in the decline is growing. This can be read as selling pressure spreading widely. Limit: very high volume at the end of a long decline can look the same as a moment when the move runs out.
Price falls, volume falls
The decline comes with little trading. Inside an uptrend it can read as a quiet pullback. Limit: low-volume declines can add up and still break the trend; the structure has to be read through the highs and lows too.
High volume, price stays put
A lot is traded but price does not move far. Under the classic idea of effort versus result, it can be read as the other side meeting those trades at these prices. Limit: it does not show who did so, or which side will win next.
How to read it on a chart
- Read the price structure first. Identify the trend, the highs and lows, and which zone price is in. Volume is information added to that context.
- Compare volume with earlier candles. Look not at one bar but at the general level of the last few dozen candles. Is the move coming above or below that level?
- Compare the swings. In an uptrend, compare the volume of the rising swings with that of the pullbacks. Which way do the moves come with more trading?
- Confirm the reading with price. A hint from volume only gets stronger if the next closes and the sequence of highs and lows point the same way.
What it shows, what it does not prove
What it shows
- Whether a move came with more or less participation than the earlier candles
- Which swings inside the trend drew more trading
- Where price could not move on despite heavy trading
What it does not prove
- That the trend will continue or reverse
- Whether the volume was buying or selling; every trade has two sides
- That volume on other exchanges or in derivatives markets draws the same picture
The MarketLevelMap view
How it relates to zones
The relationship between price and volume means most around zones. Price approaching a resistance zone on falling volume and price approaching it on rising volume describe different participation at the same zone.
If closes stay behind the band despite high volume at the zone, this can be read as the zone still drawing a reaction at those prices. The measure is still the close: volume does not replace a close beyond the band's far edge.
Often confused with
For general information only. Not investment advice.Last updated: