A trend is the dominant directional bias of price over some look-back window. The textbook Dow definition is structural: an uptrend is a sequence of higher highs and higher lows; a downtrend is lower lows and lower highs; everything else is a range.
There are many quantitative proxies for trend: slope of a moving average, sign of ADX-weighted directional indicators, regression slope, fraction of bars closing higher than they opened. Different definitions disagree at the edges — this matters when designing trend filters for backtests.
Trend is timeframe-dependent. The same instrument can be in a daily uptrend, a 4-hour range, and a 5-minute downtrend simultaneously. Multi-timeframe analysis explicitly reconciles these views.
Come Noon Barbari usa Trend
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Trend-following strategies →Termini correlati
- Struttura di mercato
Higher high
A swing high that prints above the prior swing high — the signature of an uptrend.
- Struttura di mercato
Lower low
A swing low that prints below the prior swing low — the signature of a downtrend.
- Indicatori
Average directional index (ADX)
Trend-strength gauge (0–100). High ADX = strong trend; ADX direction is separate.
- Indicatori
Moving average
A rolling average of price over a fixed window, used to smooth noise.