What is Volume?
Crypto Glossary Definition
The number of coins or tokens traded on an exchange in a given period of time.
Why Volume Matters
Trading volume — the total amount of an asset bought and sold over a period — is a rough proxy for how much genuine interest and liquidity exists behind a price move. A price rally on unusually low volume is generally considered less reliable than one backed by a volume surge.
Volume in Practice
Consider an analyst scanning an exchange's order book at the end of a trading day and noticing that a mid-cap token saw two hundred million dollars change hands, compared to its usual daily figure of twenty million. That tenfold jump in volume — the total value or quantity of the asset bought and sold during the period — immediately draws attention, since volume is one of the clearest signals of how much real market interest is behind a price move rather than just noise from a handful of trades. If the token's price barely moved despite that surge, the analyst might suspect large opposing orders absorbed each other, a pattern sometimes seen right before a breakout in either direction. Traders commonly overlay volume bars beneath a price chart specifically to sanity-check rallies: a steady uptrend accompanied by rising volume looks healthy and likely to continue, while the same uptrend on thin, declining volume raises suspicion that only a few participants are pushing price up and it could reverse quickly. Exchanges themselves are also ranked partly by reported trading volume, which is why some platforms have faced scrutiny over allegations of inflating their numbers through wash trading to appear more liquid and attract listings from new projects seeking exposure.
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