Volatility measures how much and how quickly prices change over a period. It’s a crucial concept for risk management and strategy selection.

Measuring Volatility

Tool Description
ATR Average True Range — most common
Bollinger Bands Width indicates volatility
VIX “Fear index” for stock market
Standard deviation Statistical measure

High vs. Low Volatility

High Volatility Low Volatility
Price movement Large swings Small ranges
Spreads Wider Tighter
Risk Higher Lower
Opportunity More profit potential Less opportunity
Strategy Breakout, momentum Range, scalping

What Causes Volatility?

  • Economic news releases (NFP, CPI, rate decisions)
  • Geopolitical events (wars, elections)
  • Market sentiment shifts
  • Session overlaps (London + New York)

Key Points

  • Higher volatility = wider stops needed
  • Adjust position size for volatility
  • Use ATR to quantify volatility objectively
  • Trade during high volatility for bigger moves
  • Reduce exposure during uncertain periods