What Is Trading Volume in Crypto?

Price tells you where a market is. Volume tells you how much conviction is behind it.

Trading volume is one of the oldest and most widely used data points in financial market analysis. In cryptocurrency, it is the total amount of an asset that has been bought and sold over a defined period, typically displayed as a 24-hour figure on exchange interfaces and data platforms. It is available for every trading pair on every centralised exchange, and at the aggregate level it reflects the total market activity across all venues.

Understanding what trading volume measures, why it matters for interpreting price movements, how it is used in technical analysis, and crucially how to identify the fake volume that is endemic in cryptocurrency markets is practical knowledge for any investor or trader making decisions based on market data.

What Trading Volume Actually Measures

Trading volume is the total quantity of an asset that has changed hands through completed trades in a given timeframe. If 1,000 Bitcoin are bought and sold in a 24-hour period on an exchange, the 24-hour volume for that Bitcoin pair is 1,000 BTC, or its equivalent AUD value at the average traded price.

Volume counts completed trades: transactions where a buyer and a seller agreed on a price and the exchange matched them. Pending orders in the order book do not count as volume until they are filled. Cancelled orders contribute nothing to volume. Only executed trades register.

Volume is displayed in several ways depending on the context. On an exchange interface for a specific trading pair, volume is typically shown as the quantity of the base asset traded in the last 24 hours, and sometimes as the equivalent quote currency value. On data aggregators like CoinMarketCap and CoinGecko, volume is shown as a total AUD or USD figure aggregated across all exchanges reporting that asset, alongside the asset’s market capitalisation.

Volume is also displayed on price charts as a histogram below the price candlesticks, showing the volume traded in each candle’s time period. This chart representation is the primary tool for volume analysis in technical analysis.

Why Volume Matters for Price Analysis

The relationship between price movement and volume is the foundation of volume analysis. The core principle is straightforward: price movements accompanied by high volume are more significant and more likely to be sustained than price movements on low volume.

High volume price increases. When an asset’s price rises on significantly above-average volume, it indicates that many participants are actively buying at increasing prices. Strong buying conviction is backing the price move. This is generally interpreted as a bullish signal with higher probability of continuation.

Low volume price increases. When an asset’s price rises on below-average volume, fewer participants are driving the move. It may reflect a lack of sellers rather than strong buying conviction. Low-volume price increases are often considered less reliable and more prone to reversal.

High volume price decreases. When an asset’s price falls on significantly above-average volume, strong selling conviction is driving the decline. High-volume selling is generally interpreted as a bearish signal that the decline may continue, as it indicates participants are actively exiting positions at falling prices.

Low volume price decreases. When an asset’s price falls on below-average volume, the decline may reflect a temporary lack of buyers rather than determined selling. Low-volume pullbacks during an uptrend are often considered less significant and potentially buyable.

Volume at key levels. As covered in our order book crypto explained resource, certain price levels act as support and resistance. Volume behaviour as price approaches and tests these levels provides additional information about their significance. A Bitcoin support level that holds on high volume, with significant buying absorbing selling pressure, is considered more robust than one that holds on thin trading.

These relationships are tendencies rather than rules, and they must be interpreted in conjunction with other analytical tools as covered in our day trading crypto strategies and wyckoff market cycle explained resources. Volume analysis is one input into a broader framework, not a standalone predictor.

Volume and Market Cycles

Trading volume is one of the most reliable indicators of where cryptocurrency markets are within their broader market cycle. The relationship between volume and cycle phase is well-documented across multiple market cycles in Bitcoin and broader cryptocurrency markets.

During bear markets and accumulation phases, volume is typically low. Retail interest has diminished following a downturn. Media coverage is minimal. Price moves on thin trading as fewer participants are active. This low-volume environment characterises the accumulation phase described in the Wyckoff market cycle: large players building positions quietly with minimal market impact.

As a bull market develops, volume expands progressively alongside price appreciation. Each new price high is accompanied by increasing volume as more participants enter the market, attracted by the rising prices. The relationship between rising price and rising volume is considered healthy and indicative of genuine broad-based buying.

At market tops and distribution phases, volume patterns often become erratic. Price may continue to make new highs but on declining volume, indicating fewer participants are willing to buy at higher prices. Volume spikes on downward days begin to exceed volume on upward days, reflecting distribution: large holders selling into retail buying demand. As covered in our psychology of fear and greed and market cycles and human behaviour resources, this distribution phase is characterised by peak retail enthusiasm combined with institutional exit.

Bear market declines typically begin with high-volume selling as panic sets in, followed by progressively lower volume as the market moves through the markdown phase and retail participants lose interest entirely.

Understanding volume’s role in market cycles provides context for interpreting current volume levels relative to historical norms rather than in isolation.

Volume-Price Divergences

Volume-price divergences are among the most useful signals that volume analysis produces. A divergence occurs when price and volume move in opposite directions to what would be expected given their normal relationship.

Bearish divergence. Price makes new highs but volume is declining with each successive high. This indicates fewer participants are willing to buy at each new price level, suggesting the uptrend may be losing momentum. The classic distribution pattern in the Wyckoff market cycle exhibits this bearish divergence: price pushed to new highs on diminishing volume before reversal.

Bullish divergence. Price makes new lows but the volume on each successive low is declining. Fewer participants are willing to sell at each new low, suggesting the downtrend may be losing momentum. Diminishing volume on successive price lows is often interpreted as a potential sign that selling pressure is exhausting.

Volume surge without price move. A very high volume period where price moves little, sometimes called churning, can indicate a battle between strong buyers and sellers at a specific price level. The outcome of this battle, which side ultimately moves the price, often provides a directional signal.

Divergences are not guarantees of reversal but rather signals that the prevailing trend may be weakening. As covered in our trading psychology resource, confirmation from additional signals before acting on divergences is part of disciplined trading practice.

Volume Metrics Beyond 24-Hour Figures

The 24-hour volume figure is the most widely displayed volume metric, but several additional volume-based measurements provide deeper analytical context.

Volume relative to average. A single volume number in isolation tells you less than volume compared to its recent average. A 24-hour volume of $500 million AUD on an asset that typically trades $100 million AUD per day is a 5x spike that warrants attention. The same $500 million on an asset that typically trades $600 million is below average and unremarkable. Most charting platforms display average volume as a reference line on the volume histogram.

Volume by exchange. For assets trading on multiple exchanges, the distribution of volume across venues provides information about where the price discovery is happening and which exchange’s prices are most representative. An asset with 80% of its volume on a single exchange has its price primarily determined by that exchange’s participants.

Total Value Locked vs trading volume for DeFi assets. For DeFi protocol tokens, as covered in our total value locked resource, trading volume on centralised exchanges reflects speculative trading activity while TVL reflects genuine protocol usage. Comparing the two provides insight into whether market activity is driven by genuine adoption or speculative trading.

On-chain volume. For Bitcoin and Ethereum, on-chain transaction volume, the total value of transactions settled directly on the blockchain, is a separate metric from exchange trading volume. High on-chain volume reflects genuine network usage, while exchange trading volume reflects market activity. Visible through blockchain explorer tools, on-chain volume is one of the more reliable indicators of genuine network adoption as covered in our what is blockchain technology resource.

Fake Volume in Cryptocurrency Markets

One of the most important pieces of context for using volume data in cryptocurrency markets is that reported trading volume is frequently fabricated. This is not a minor issue: multiple independent studies of exchange-reported volumes have concluded that a significant proportion of reported cryptocurrency trading volume is wash trading: artificial transactions designed to inflate reported volume figures.

What wash trading is. Wash trading occurs when the same entity simultaneously buys and sells the same asset, creating the appearance of trading activity without any genuine transfer of ownership or economic risk. An exchange or market maker running a wash trading operation places both buy and sell orders for the same asset, matches them, and reports the resulting transactions as trading volume. The exchange benefits by appearing more active and liquid than it is, attracting traders who prioritise high-volume venues.

How prevalent it is. Studies by Bitwise Asset Management, the Blockchain Transparency Institute, and independent researchers have estimated that anywhere from 50% to 95% of reported cryptocurrency exchange volume is fabricated on certain exchanges. Reputable regulated exchanges with oversight from financial regulators have much lower rates of fake volume, but it is not absent even on better-regulated platforms.

How to identify suspicious volume. Several indicators suggest that reported volume may be artificially inflated. An exchange reporting very high volume but with consistently tight, unrealistic bid-ask spreads that don’t respond to large orders is a red flag. Volume that remains suspiciously constant throughout the day rather than varying with global market activity is suspicious. An exchange with very high reported volume but low withdrawal activity or low user reviews relative to its stated size is worth scrutinising. Reputable data aggregators like CoinGecko and CoinMarketCap have introduced adjusted volume metrics that attempt to filter out suspected wash trading, providing more reliable volume comparisons across exchanges.

Practical implications. For Australian investors using reputable regulated exchanges including CoinSpot, Swyftx, Independent Reserve, and BTCMarkets, or globally regulated exchanges like Kraken and Coinbase, reported volume is more reliable than on unregulated offshore exchanges. When evaluating smaller altcoins whose trading volume is concentrated on unregulated exchanges, treating the reported volume data with appropriate scepticism and cross-referencing with on-chain activity and adjusted volume figures is the appropriate approach. As covered in our DYOR and researching altcoins resources, volume data quality is part of the due diligence process for any asset evaluation.

Volume in the Context of Market Capitalisation

The relationship between an asset’s trading volume and its market capitalisation provides a useful relative measure of market activity sometimes called the volume-to-market-cap ratio.

A high volume-to-market-cap ratio indicates that a large proportion of the asset’s total value is changing hands each day, suggesting high speculative activity or significant ongoing market interest. A ratio of 10% to 20% or higher for a sustained period indicates very active trading relative to the asset’s size.

A low volume-to-market-cap ratio indicates thin trading relative to the asset’s stated value. For small-cap tokens, a very low ratio can indicate that the stated market capitalisation is not supported by genuine market activity: the price may be artificially elevated by thin trading where a small number of transactions set a high price on a small float, creating an inflated market cap figure that doesn’t reflect genuine investor interest.

This relationship is one of the screening tools covered in our how to identify promising crypto projects early and researching altcoins resources for evaluating whether a project’s stated valuation is supported by genuine market participation.

How to Use Volume in Your Trading

For active traders, incorporating volume analysis into decision-making adds a dimension of market context that price alone cannot provide.

Before entering a position, checking the current volume relative to average gives context on whether the market is active or dormant. Entering a position on above-average volume in the direction of the trade provides more confidence that the move has genuine participation behind it. Entering on thin, below-average volume means the price may reverse quickly once normal activity resumes.

When evaluating potential breakouts from consolidation ranges, as covered in our swing trading basics resource, volume confirmation is one of the most commonly used filters. A breakout above a resistance level on high volume is considered more likely to be genuine than a breakout on thin volume, which may be a false break that reverses quickly.

When setting stop losses, understanding that thin-volume periods can produce price spikes that temporarily breach stop levels before reversing helps traders set stops at levels that avoid low-volume noise while still protecting against genuine trend reversals.

As covered in our how to manage crypto trading risks resource, no single indicator including volume provides reliable standalone signals. Volume analysis is most useful as a confirmation tool that adds context to price-based analysis, not as an independent trading signal.

Key Takeaways

Trading volume is the total amount of an asset bought and sold over a defined period, representing genuine market participation behind price movements. High-volume price moves are generally more significant and more likely to be sustained than low-volume moves. Volume trends relative to price provide context for interpreting market cycle phases: expanding volume during price advances is healthy, while price advances on declining volume may signal weakening momentum.

Fake volume through wash trading is endemic in cryptocurrency markets, particularly on unregulated exchanges. Using volume data from regulated, reputable exchanges and cross-referencing with adjusted volume metrics and on-chain data provides a more reliable picture than raw reported figures alone. Volume-to-market-cap ratios, volume divergences from price, and volume relative to historical averages are more useful analytical tools than raw volume figures in isolation.

For everyday investors who want to develop genuine market analysis skills and use volume data as part of an informed trading and investment framework, our Runite Tier Membership provides the education and tools to develop that capability properly. For serious traders and investors who want personalised guidance on market analysis, trade execution, and building a disciplined approach to reading market data, our Black Emerald and Obsidian Tier Members receive direct specialist support. Find out more at shepleycapital.com/membership.