TA School

Trendlines

Learn how to identify market direction using trendlines that connect higher lows and lower highs.

beginner level9 min read

Interactive Model

Interactive Visual Walkthrough

Trendline Dynamics

Step 1 of 6
Uptrend Begins

Price makes a low at $89 (Day 1) and rallies to $105, establishing initial bullish momentum.

Why it matters: Every uptrend starts with a strong rally followed by a corrective pullback that sets the baseline.

Introduction

A TrendlineTrendlineA bounding line drawn across a chart to connect swing lows in an uptrend or swing highs in a downtrend, acting as dynamic support or resistance.Read full glossary entry → is a diagonal boundary drawn on a chart to define the direction and speed of price movement. It is one of the most powerful price action tools, acting as dynamic (moving) supportSupportA price level where buying pressure is strong enough to prevent the price from falling further. It represents a "floor" on the chart.Read full glossary entry → or resistanceResistanceA price level where selling pressure is strong enough to prevent the price from rising further. It represents a "ceiling" on the chart.Read full glossary entry →.

By connecting swing lows or swing highs, trendlines help traders visually identify the path of least resistanceResistanceA price level where selling pressure is strong enough to prevent the price from rising further. It represents a "ceiling" on the chart.Read full glossary entry →.

Why It Matters

Trading with the dominant trendTrendThe general direction in which a security or market is moving over time.Read full glossary entry → is one of the most effective ways to increase your success rate. Trendlines tell you:

  • What direction the market is moving (UptrendUptrendA market direction characterized by a sequence of higher highs and higher lows.Read full glossary entry →, DowntrendDowntrendA market direction characterized by a sequence of lower highs and lower lows.Read full glossary entry →, or Sideways).
  • Where to enter trades with high reward-to-risk ratios.
  • When a trendTrendThe general direction in which a security or market is moving over time.Read full glossary entry → is weakening and starting to reverse.

Core Concepts

  • UptrendUptrendA market direction characterized by a sequence of higher highs and higher lows.Read full glossary entry → TrendlineTrendlineA bounding line drawn across a chart to connect swing lows in an uptrend or swing highs in a downtrend, acting as dynamic support or resistance.Read full glossary entry →: Drawn below the price by connecting two or more higher lows. It acts as dynamic supportSupportA price level where buying pressure is strong enough to prevent the price from falling further. It represents a "floor" on the chart.Read full glossary entry →.
  • DowntrendDowntrendA market direction characterized by a sequence of lower highs and lower lows.Read full glossary entry → Trendline: Drawn above the price by connecting two or more lower highs. It acts as dynamic resistance.
  • Trendline Validation: The rule that a trendline requires at least two points to be drawn, but is only validated upon a third touch.
  • Trendline Break: A daily close beyond the trendline, indicating that the prevailing trend is losing control.

Identification Rules

  1. Connect Swing Extremes: Connect major swing lows in an uptrend, or major swing highs in a downtrend. Do not connect wicks to bodies inconsistently.
  2. Look for a 30-45 Degree Angle: The most reliable trendlines have a moderate slope. Too steep (e.g. >60 degrees) and they break quickly; too flat and they function as horizontal levels.
  3. Do Not Force It: If a trendline does not fit the wicks naturally, do not bend it to fit. A forced trendline is invalid.
  4. Touch count increases significance: A trendline tested 4 or 5 times is highly significant.

Trading Setup

  • The PullbackPullbackA temporary price pause or moderate retracement against the primary trend direction.Read full glossary entry → Touch Entry:
    • In an uptrend, wait for the price to pull back to the rising trendline.
    • Look for a bullish confirmation signal (e.g., Hammer or Bullish EngulfingBullish EngulfingA two-candle reversal pattern where a small bearish candle is followed by a larger bullish candle whose body completely overlaps or "engulfs" the prev...Read full glossary entry →) on the trendline.
    • Enter long on the next candle, placing the stop-loss just below the trendline.
  • The Trendline BreakoutBreakoutA price movement through an established support or resistance level. A breakout is often accompanied by increased volume, signaling strong momentum.Read full glossary entry → Entry:
    • Wait for a candle to close on the opposite side of the trendline on expanding volumeVolumeThe total number of shares, contracts, or units of a security traded during a specified time period.Read full glossary entry →.
    • Enter in the direction of the break, placing the stop-loss on the opposite side of the trendline.

Common Mistakes

[!WARNING]

  • Forcing Trendlines: Drawing lines through the middle of candle bodies to force a fit. Trendlines should only connect wicks or extremes.
  • Chasing Steep Slopes: Buying long on a steep, parabolic trendline. These have high risk and are prone to immediate failure.
  • Ignoring the Close: Entering trades when a wick pierces the trendline intraday. Always wait for the candle close to confirm if the break is real.

Key Takeaways

  • •An uptrend trendline connects consecutive higher lows and acts as dynamic support.
  • •A downtrend trendline connects consecutive lower highs and acts as dynamic resistance.
  • •A trendline requires at least two points to draw, but a third touch is needed to validate it.
  • •The slope of a trendline shows trend strength; steep trendlines are unsustainable and prone to break.
  • •A confirmed close outside a trendline warning of potential consolidation or trend reversal.
Knowledge CheckQuestion 1 of 5

What is the minimum number of touches required to draw a tentative trendline?

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