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Understanding Trading Volume

Learn what trading volume tells you about a stock and how to use volume analysis in your investment decisions.

RiverLabs
5 min read
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Understanding Trading Volume

Trading volume measures how many shares of a stock change hands during a specific period. It's a key indicator of market activity and investor interest.

Why Volume Matters

  • Confirms price movements and trends
  • Indicates strength of market interest
  • Helps identify potential reversals
  • Shows liquidity for easy trading

Reading Volume on Charts

  • Volume bars appear below price charts
  • Green bars indicate up days
  • Red bars indicate down days
  • Compare to average volume line

High Volume Signals

  • Breakouts from price patterns
  • Institutional buying or selling
  • News announcements or earnings
  • Beginning of new trends

Low Volume Warnings

  • Price moves may be unreliable
  • Easier to manipulate prices
  • May indicate lack of interest
  • Harder to enter/exit positions

Volume Analysis Tips

  1. Compare current volume to 20-day average
  2. Watch for volume before price moves
  3. Look for volume confirmation on breakouts
  4. Be cautious trading low-volume stocks