[5] Proactive support and resistance methods include Measured Moves, Swing Ratio Projection/Confluence (Static (Square of Nine), Dynamic (Fibonacci)), Calculated Pivots, Volatility Based, Trendlines and Moving averages, VWAP, Market Profile (VAH, VAL and POC).
[4] Reactive support and resistance are the opposite: they are formed directly as a result of price action or volume behaviour.
They include Volume Profile, Price Swing lows/highs, Initial Balance, Open Gaps, certain Candle Patterns (e.g. Engulfing, Tweezers) and OHLC.
[9] Psychological Support and Resistance levels form an important part of a trader's technical analysis.
The price may hit the line and reverse, it could hover around the level as Bulls and Bears fought for supremacy, or it may punch straight through.