What Is Volume?
Volume is the total quantity of an asset traded during a specific time period. In crypto, it's measured in either the base asset (e.g., 5,000 BTC traded) or quote currency (e.g., $325M worth of BTC traded). Volume is displayed as bars beneath the price chart, with each bar corresponding to the chart's timeframe.
How Volume Works
Volume is the fuel behind price movements. A price move on high volume is considered more significant and more likely to continue than the same move on low volume. Key volume patterns:
- Rising price + Rising volume — Strong bullish trend (confirmation)
- Rising price + Declining volume — Weakening momentum (caution)
- Breakout + Volume spike — Genuine breakout (confirmation)
- Breakout + Low volume — Likely false breakout (fakeout)
Why It Matters for Traders
Volume is the simplest and most fundamental confirmation tool. No price analysis is complete without volume context. In crypto, volume data must be interpreted carefully — fake volume (wash trading) is common on smaller exchanges. Using volume from trusted exchanges and comparing on-chain transfer volume to exchange volume helps distinguish real activity from noise.