Market structure guide
Understanding Support and Resistance Levels
A practical guide to how horizontal market levels are identified, what touches and crosses can reveal, and why no technical level is guaranteed to hold.
What are support and resistance?
Support is a price level or area where a decline has previously met enough opposing activity to slow, pause, or reverse. Resistance is the corresponding concept above the market: an area where an advance has previously encountered enough opposing activity to slow, pause, or reverse.
These labels describe observed market structure, not fixed barriers. A support can be crossed, and a resistance can be crossed. Even when a chart draws an exact horizontal price, the level is an analytical reference rather than a guaranteed turning point.
How are the levels obtained?
A quantitative process starts with a defined market, candle interval, and observation window. It then applies consistent rules to find prices that have attracted repeated interactions. Candidate levels can be grouped, counted, and classified according to where they sit within the observed structure.
The result depends on how the method defines a touch, a cross, and the tolerance around each price. Those parameters should be stated whenever they are available.
Touches, crosses, and directional counts
A touch records an interaction with a level under the chart’s detection rules. A cross records movement through it. Directional counts can separate upward and downward interactions, preserving more information than a line alone.
A high interaction count identifies a repeatedly tested area in the selected sample. It does not prove that the level is stronger, that it will hold again, or that every detected interaction had the same market significance.
Why can support and resistance be useful?
These levels organize price action into observable reference points. Instead of treating each candle as an isolated move, a reader can monitor how price behaves when it revisits a previously identified area.
- Structure: levels summarize where repeated interactions were identified.
- Scenario planning: they define areas where acceptance, rejection, or another cross can be observed.
- Evidence tracking: interaction counts preserve context beyond the line itself.
- Risk context: they can frame conditional scenarios when used with verified information and suitable risk controls.
Limitations and interpretation
A level reflects its chosen data window and detection method. A short sample does not establish how the same level behaved across a broader history, and a previous reaction does not guarantee that a future visit will produce the same result.
Support and resistance should therefore be expressed conditionally. Price can reject a level, trade through it, or remain around it. The level identifies where to observe behavior; it does not decide the outcome in advance.
Look for the market, timeframe, sample window, price tolerance, definitions of touches and crosses, directional rules, source, timestamp, and validation history.
See the concept in a market event
RavenInvestor’s August 21, 2026 case study reads seven displayed BTC/USDT levels and their supplied touch and cross counts without converting them into a guaranteed directional call.