Support
A price level where buying tends to halt a fall, as demand repeatedly steps in.
Related terms
Related lessons
Bollinger Bands
Bollinger Bands wrap a moving average in an envelope set a number of standard deviations above and below it, so the bands widen when volatility rises and contract when it falls. This article explains how the bands are built, what the width tells you (the 'squeeze' and expansion), why touching a band is not overbought or oversold, and how the bands describe volatility and relative price — never predict direction. It is explicit that 'walking the band' is normal in strong trends.
Morning Star
A morning star is a three-candle bottoming pattern: a large down candle, then a small-bodied 'star' of indecision, then a large up candle closing well into the first candle's body. This article explains the three-act story it tells — strong selling, exhaustion, strong buying — how it is read, why the middle star and the depth of the third candle matter, and why, like every candlestick pattern, it describes a shift of control across three periods rather than predicting a reversal.
ATR
ATR — the Average True Range — measures volatility as a single number: the average size of a market's recent price range, including gaps. This article explains 'true range' and why it captures more than the high-minus-low, how ATR is averaged over a lookback, what a rising or falling ATR tells you, and how ATR is used to gauge what counts as a 'normal move' and to scale stops and position size to volatility. It stresses that ATR measures size, never direction.
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