Volume refers to the quantity of traded units in a financial security such as a stock, commodity or futures. Many technical analysts rely on it as it is a telling indicator of demand and supply in a traded security. When the price of a security rises on low volume, it is sign that the move is unsustainable.
How to interpret price volume action?
IMAGE OF PRICE n volumerising
IMAGE of price moving down and volume moving down
When the price of the security and volume moves together, that is taken to be a bullish sign as in the scenarios above.
Let us examine 2 more scenarios shown below.
IMAGE of rising price and falling volume
IMAGE of price falling with increasing volume>
When volume and price have a trend divergence as in the 2 scenarios above, it is a bearish sign.