Volume

Volume represents a measure of the level of market activity and participation over a specific period of time, commonly displayed as vertical bars beneath the price chart. In the decentralized forex market, measuring the total actual volume accurately is challenging unlike in stock markets; therefore, many traders rely on "tick volume," which measures the number of price changes as a proxy for market activity.

The significance of volume lies in confirming the validity of price movements. A breakout above resistance or below support accompanied by high trading volume is considered a stronger and more reliable signal than a breakout on low volume, which may be merely a fleeting or false move that quickly reverses. Similarly, an increase in volume accompanying a reversal candlestick helps reinforce confidence in the reversal signal.

Volume is also used to confirm the prevailing trend, as a healthy trend is expected to be accompanied by rising volume as the move continues in its direction, whereas declining volume alongside a continuing trend indicates a potential weakening of its momentum and the approach of a correction or reversal phase.

Common mistakes include completely ignoring volume when analyzing breakouts or price patterns, or relying solely on tick volume in forex markets without realizing its limitations as an approximation rather than an absolute, accurate measure of total actual volume traded globally.