What Is a Retracement?
A retracement is a move in the opposite direction of an asset's recent trend. If a stock rises from 40 to 60, then falls back to 52 before rising again, the drop from 60 to 52 is a retracement. The original direction still holds, so the pullback is seen as a pause or partial give-back rather than a change in trend.
Retracements are a core idea in technical analysis, the study of price charts and trading activity. Because they occur within a broader trend, analysts often distinguish a retracement from a reversal, which is a lasting change in direction. That distinction is usually clear only in hindsight, since no one knows at the time whether a price drop will hold.
How Retracements Are Measured
Analysts commonly describe a retracement by its depth as a percentage of the prior move. For an uptrend, the calculation is:
Retracement depth = (Swing High − Pullback Low) ÷ (Swing High − Swing Low) × 100
Using the example above, the swing low is 40, the swing high is 60, and the pullback low is 52. The depth is (60 − 52) ÷ (60 − 40) × 100, or 40%.
Many chart users draw levels at ratios from the Fibonacci sequence, most often 38.2%, 50%, and 61.8%. The 50% level is not a Fibonacci ratio, but it is widely included. These levels are watched as possible points where prices may pause or turn. Their usefulness is debated. Because many traders watch the same levels, they can sometimes influence behavior, but there is no guarantee that prices will respect them.
Why It Matters to Investors
Retracement analysis helps investors describe price behavior, including how deep a pullback is and whether it stays above the support level of the prior trend. A shallow retracement during a strong trend is often read as a sign of healthy momentum. A deep one may suggest that momentum is weakening. A retracement that breaks below a prior low can be an early sign that the trend is changing.
Retracements are descriptive rather than predictive. A pullback that looks like a pause can develop into a correction or a full reversal, and the same pattern can behave differently across markets and timeframes. Retracement analysis is best understood as one input among many, not a standalone signal.
Updated October 29, 2026. For general education only; not financial, tax or legal advice.