Price area where buyers have historically appeared strongly enough to slow or reverse a decline.
Support is a price area where buyers have historically appeared strongly enough to slow, pause, or reverse a decline.
Traders treat support as a decision area, not a guaranteed floor. A support level can hold, break, or become resistance after sellers push through it.
Support helps traders frame:
Support Level is the more specific term for a marked price point or zone.
To identify support levels, traders often rely on historical data and chart patterns. Some common methods include:
where \( P_i \) represents the price at a given period and \( n \) the number of periods.
Occurs when multiple price points align horizontally on a chart, suggesting consistent buying interest at a particular level.
Indicates an upward or downward sloping line on a chart due to increasing or decreasing demand over time.
The concept of support in trading has evolved alongside market complexity. Early chartists like Charles Dow (of Dow Theory fame) laid the groundwork for technical analysis, identifying price behavior patterns that include support and resistance levels.
Traders use support levels to make informed decisions on buying stocks, minimizing the risk associated with downward trends.
Support plays a crucial role in highly volatile markets like cryptocurrency, helping traders navigate price swings.
| Term | Definition | Opposite Concept |
|---|---|---|
| Support | A price level with buying interest preventing further decline | Resistance |
| Resistance | A price level with selling interest preventing further ascent | Support |
| Breakout | When the price moves beyond support or resistance levels | Pullback or Reversal |