Volume represents the number of shares or contracts traded during a given period. It's a crucial confirmation tool that tells us the strength or weakness behind price movements.
What is Volume?
Definition
Volume:
- Number of shares traded
- Or contracts exchanged
- During specific period
- Measured per candle/bar
Why Volume Matters
Importance:
- Confirms price moves
- Shows conviction
- Reveals strength/weakness
- Validates breakouts
Volume Basics
High Volume
Indicates:
- Strong interest
- Conviction in move
- Many participants
- Move more likely to continue
Low Volume
Indicates:
- Weak interest
- Lack of conviction
- Few participants
- Move may reverse
Average Volume
Reference:
- Use as baseline
- Compare current to average
- Deviations are significant
Volume and Price
Price Up + High Volume
Meaning:
- Strong bullish signal
- Buyers committed
- Move likely to continue
- Healthy uptrend
Price Down + High Volume
Meaning:
- Strong bearish signal
- Sellers committed
- Move likely to continue
- Healthy downtrend
Price Up + Low Volume
Meaning:
- Weak rally
- Lack of buyer conviction
- May reverse
- Be cautious
Price Down + Low Volume
Meaning:
- Weak decline
- Lack of seller conviction
- May bounce
- Less concerning in uptrend
Volume Patterns
Volume Confirmation
Healthy Trend:
- Volume increases with trend
- Volume decreases on pullbacks
- Shows conviction
Uptrend:
- High volume on up days
- Low volume on down days
Downtrend:
- High volume on down days
- Low volume on up days
Volume Divergence
Warning Signs:
- Price making new high, volume lower
- Price making new low, volume lower
- Suggests weakening momentum
Volume Climax
Characteristics:
- Extremely high volume
- Often at turning points
- Exhaustion signal
- Potential reversal
Volume Dry-Up
Characteristics:
- Very low volume
- Consolidation period
- Building for next move
- Watch for breakout
Volume in Breakouts
Valid Breakout
Requirements:
- Price breaks level
- Volume significantly above average
- Strong conviction
- More likely to continue
Failed Breakout
Signs:
- Price breaks level
- Low volume
- Lack of conviction
- Often reverses
Volume Threshold
Guideline:
- 1.5x average = notable
- 2x average = significant
- 3x+ average = exceptional
Volume Indicators
Volume Bars
Basic:
- Bars below price chart
- Height shows volume
- Color matches price direction
Volume Moving Average
Application:
- Average volume line
- Compare current to average
- Spot unusual activity
On-Balance Volume (OBV)
Calculation:
- Cumulative volume
- Add on up days
- Subtract on down days
Use:
- Trend confirmation
- Divergence detection
- Accumulation/distribution
Volume Profile
Shows:
- Volume at each price level
- High volume nodes
- Point of control
- Value areas
Volume Analysis Process
Step 1: Establish Context
Determine:
- What's average volume?
- Recent volume trends
- Normal range
Step 2: Compare Current
Analyze:
- Today's volume vs average
- Is it significant?
- What does price show?
Step 3: Draw Conclusions
Interpret:
- Volume confirms or contradicts
- Strength of move
- Likely continuation
Trading with Volume
Entry Confirmation
Better Entry When:
- Volume supports direction
- Above average on signals
- Conviction present
Exit Signals
Consider Exit When:
- Volume divergence appears
- Climax volume on new high/low
- Volume dries up
Stop Placement
Consider:
- Volume at support/resistance
- High volume areas = stronger levels
- Low volume areas = weaker
Volume in Different Markets
Stocks
Clear Volume:
- Centralized data
- Very reliable
- Easy to analyze
Forex
No Central Volume:
- Tick volume used
- Approximation only
- Less reliable
Futures
Good Volume:
- Exchange data
- Reliable
- Includes open interest
Crypto
Exchange Specific:
- Varies by exchange
- Can be manipulated
- Use major exchanges
Volume Analysis Tips
Keep It Simple
Focus:
- High vs low vs average
- Does it confirm price?
- Major deviations only
Context Matters
Consider:
- Time of day
- News events
- Options expiration
- Seasonal patterns
Combine with Price
Remember:
- Volume confirms price
- Price is primary
- Volume is secondary
Common Mistakes
Overcomplicating
Problem: Too many volume indicators
Solution: Basic volume bars often enough
Ignoring Volume
Problem: Trading without volume confirmation
Solution: Always check volume
Volume-Only Trading
Problem: Trading volume signals alone
Solution: Combine with price action
Key Takeaways
- Volume shows conviction behind moves
- High volume confirms, low volume warns
- Volume should increase with trend
- Volume divergence signals weakness
- Breakouts need volume confirmation
- Volume climax can signal reversals
- Keep volume analysis simple
- Use with price action, not alone
What's Next?
Learn about different trading timeframes.
This article is for educational purposes only and does not constitute financial advice.
Risk warning. This is education only, not financial, investment, tax or legal advice, and not a recommendation to buy or sell anything. Trading forex, CFDs, stocks, commodities, futures, options and crypto is high-risk; with leverage you can lose more than you deposit, and most retail traders lose money. Before you trade or invest in any form, check the local laws where you are and the rules of your country of residence, and consider your own financial situation; if in doubt, ask a licensed adviser. Past and tested results, and all examples, are for illustration only and do not guarantee future results.