How to Draw Trendlines on Stock Charts Like a Boss

Master the Art of Drawing Trend Lines: Unlock the Secrets with 5 Great Examples & Our Video Guide

Drawing trendlines on stock charts is a powerful way to assess the market’s direction. Trendlines help you understand the trend direction and timeframe to set expectations for future market moves.

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My analysis, research and testing stems from 25 years of trading experience and my Financial Technician Certification with the International Federation of Technical Analysts.

Do you know if the market is in an uptrend, downtrend, or consolidation?

It matters because buying a stock in an uptrend can be profitable, but one in a downtrend may not. Do you want to know a simple and effective way to determine if the market is heading up or down? Let me tell you!

How to Draw Trendlines on Stock Charts
How to Draw Trendlines on Stock Charts

Why Draw Trend Lines on Stock Charts?

Drawing trend lines on stock charts is one of the most fundamental technical analysis skills that every trader and investor should know. Trendlines help identify support and resistance levels as well as possible entry points. Trend lines enable you to visualize the direction of the stock. Additionally, stock prices breaking through trend lines can provide valuable buy or sell signals.

What is a Stock Price Trend?

A stock price trend is the direction of a stock’s movement over a period of time. Upward trends indicate that the stock price is increasing, and downward trends, or downtrends, indicate that the stock price is decreasing. It’s important to identify whether a stock is trending.

There are three types of trends: uptrend, downtrend, and consolidation. Multiple timeframes must also be considered.

One Simple Rule for Drawing Trend Lines

To draw effective trend lines, you need to connect the highest price highs together; this is the resistance line. You then connect the stock price’s lowest lows; this is the support line.

When the price breaks up through the resistance line, it is a new high and a potential buy signal. This could be a sell signal when the price breaks down through the support line.

3 Types of Stock Price Trends

  1. Uptrend – This is a series of increasing highs and lows over time. A stock in an uptrend can show periods of consolidation, but the overall trend should be up.
  2. Downtrend – This series of decreasing highs and lows indicates that the stock price is moving downwards. A downtrend can also have periods of consolidation, but the overall trend should be down.
  3. Sideways Trend – This is when a stock price tends to move in a sideways pattern for an extended period. There is usually no clear direction with sideways trends, and they can last for several weeks or even months.

It’s important to note that these trends are not always clear-cut. There can be periods when a stock is moving in an uptrend but shows signs of a potential sell signal or a downtrend that may show signs of a potential buy signal. This is why it is important to follow technical analysis and monitor support and resistance points.

Time frames must also be considered when evaluating a trend; for this, we will refer to Charles Dow’s classification in Dow Theory.

3 Types of Stock Trend Timeframes

  • Long-term Trend – This is the longest trend and can last for months or years.
  • Medium-term Trend – This trend typically lasts from weeks to months and can be in the direction of the long-term trend or move in the opposite direction.
  • Short-term Trend – A minor trend usually lasts from a few days to weeks and is typically the trend that day traders follow.

By understanding these different time frames, traders can identify potential entry and exit points to better capitalize on a stock’s price movements. Awareness of these three trends will also help determine when an investor should stay out of the market to avoid larger losses in their portfolio.

You could be specific about the market trend by combining the above terms. For example, you could say the market is in a short-term up-trend but a long-term down-trend. But isn’t that contradictory, the market being both an uptrend and a downtrend simultaneously?

Not really; it makes perfect sense.

3 Trendline Timeframes Chart

3 Trend Timeframes and Trendlines
3 Trend Timeframes and Trendlines

View this chart on TradingView

Drawing trend lines is one of the essential skills of technical analysts; trend lines represent important areas of support and resistance. Once you have this skill, charts come to life and start to signal their message to you.

How to Automatically Draw Trendlines on Charts

To quickly and easily draw perfect trendlines on stock charts, you can use TrendSpider. TrendSpider’s AI-powered algorithms accurately find the best trendlines for you in seconds. It also detects chart patterns, Elliott Waves, and Fibonacci Retracements.

This way, you can quickly identify support and resistance levels, target price points, and entry and exit points and make smarter decisions when trading stocks.

Automated Trendlines with TrendSpider

Automated Trendlines with TrendSpider

Try TrendSpider for FREE today! Read the TrendSpider Review

 

How to Draw Trend Lines: Uptrends.

When a market is in an uptrend, prices should make higher highs and lows. Although prices may pull back during the uptrend, they should not break through the previous low. To draw an uptrend line, you start by identifying two consecutive peaks. Then, you connect those peaks with a straight line. The same process confirms the uptrend line when another peak is created.

Technical Analysis: How to draw trendlines on charts. Uptrends, downtrends and consolidation lines.
Technical Analysis: How to draw trendlines on charts. Uptrends, downtrends, and consolidation lines.

Example 1. Drawing Uptrend Trendlines

  1. To evaluate an upward trend, draw a line joining the highest highs
  2. For the floor of the uptrend, draw a line connecting the lowest lows. The price here bounces three times off the bottom line but then proceeds higher.
  3. A trend line is drawn to show that the price has moved strongly past the previous high. This is a BUY Signal at $35.50.
  4. Finally, the price is exhausted and falls through the bottom resistance line at $51. This break of the upward support line is a sell signal.

Quick Tip: The more bounces off a trend line the stronger the trend.

Buying and selling based on the trend lines shown here would have bagged you a 49% win. Alas, life is never that easy, and showing this in retrospect does mean we have the benefit of hindsight.

TrendSpider Review 2023: We Test If Its The Best?

How to Draw Trend Lines: Downtrends.

When a market is in a downtrend, prices should be making lower highs and lower lows. Although prices may rally during the downtrend, they should not break through the previous high. To draw a downtrend line, you start by identifying two consecutive troughs. Then, you connect those troughs with a straight line. The same process confirms the downtrend line when another trough is created.

How to Draw a Trend Line in a Downtrend
How to Draw a Trend Line in a Downtrend

Identifying and drawing trend lines is an important skill for any trader or investor. By recognizing these patterns in a chart, you can understand the overall market sentiment and make more informed decisions. Understanding trend lines can also help you anticipate future price movements to make better trading and investing decisions.

How to Draw Support & Resistance Trend Lines

You must practice drawing trend lines as much as possible. After a while, you will get used to it, and it will become second nature.

Here is another example of how to draw trend lines. This is a chart of Ticker: AAPL Apple Inc. It shows how to draw trend lines in a downward and upward price move.

Technical Analysis: How to draw trendlines on charts. Support and Resistance lines.
Technical Analysis: How to draw trendlines on charts. Support and Resistance lines.

Our original trading research is powered by TrendSpider. As a certified market analyst, I use its state-of-the-art AI automation to recognize and test chart patterns and indicators for reliability and profitability.

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How to Practice Drawing Trend Lines

Notice that the trend line above the price is called resistance, and the trend line below the price is called support. When the price breaks up through resistance, it moves higher; this could be a buy signal. When the price breaks down through the support trend line, it moves lower; this could be a sell signal.

Quick Tip: The longer the trend line is in place or acts as support or resistance, the stronger the trend and the bigger the move when the trend line is broken.

Look again at Apple Inc.’s chart. See how Apple was in a sideways consolidation from 2001 through 2004. When it eventually broke out of that channel upwards through resistance, the stock took off, making over 1600% gain.

Drawing Trend Lines to Recognise Stock Chart Patterns

Trend lines are the foundation of technical analysis. They are used to identify support and resistance levels in a stock or index and chart patterns such as head and shoulders, double tops, triple bottoms, etc.

If you cannot draw a Trend-line you should not invest in the stock market!

In this example, we will examine how to look at price movement and use it to evaluate the stock.  

Price is the most critical indicator, so it should be when it boils down to it; the most important thing is the price.

Here, we can see a chart of Broadcom (BRCM), one of the darlings of the tech bubble in 2000.

Where will you draw the trend lines?

Take a look at this Stock Chart, where would you draw the Trend Lines?
Look at this Stock Chart; where would you draw the Trend Lines?

Consider where you would draw the trend lines before you scroll down to the chart where I have drawn them.

Chart with Support & Resistance and a Double Bottom Pattern Trendlines

A chart can come alive when we add trend lines. The graphic below shows Broadcom with trend lines superimposed.


Follow This Process to Draw the Trend Lines

  1. From left to right, from mid-April to July, the stock begins to move in a sideways pattern, known as “Channeling.”
  2. The two red lines show the “trading range,” the range between which the stock price fluctuates.
  3. The upper line is the Ceiling or the “Line Of Resistance,” and the lower line is the Floor or “Support.” Both lines show where the number of sellers equals that of buyers.
  4. When the stock price falls through the support line, the trend has changed, and the new market impetus affects the stock. If you owned this stock in April and enjoyed the corresponding price rise, this break would be a reliable “Sell Signal” to the trained eye.
  5. The stock dropped in two days but rose again over the following month to give anyone slow on the uptake another chance to Sell. It broke through the previous support line but was not strong enough to make it to the upper ceiling of the channel. If you had not gotten out this time, you would have suffered a 50% loss—enough to make a grown man weep!
  6. The next significant point to note is that when the stock bounces at about $13 in mid-October, it is oversold and proceeds to make a very nice-looking “Double bottom or “W” bottom.
  7. Chartists worldwide recognize the double bottom, and those who like to buy on Bottoms would have done so. This happened as the stock moved up 38% in 3 weeks.
 

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Drawing Trend Lines to Make Buy and Sell Decisions

So we have seen the Sideways Channel and the W bottom. But how do we know when a stock is going to take off?

The truth is we never really know.

All we can do is make judgments based on what we see. Do not forget we are only buying Stocks of companies that have

  • Excellent Earnings per Share
  • The sharp acceleration in the growth of Earning per Share
  • Excellent Revenue growth

So we are, in essence, giving ourselves a great head start and reducing our overall risk.

4-Step Guide to Using Trend Lines for Buy & Sell Decisions

4 Step Guide to Using Trend Lines for Buy & Sell Decisions
4-Step Guide to Using Trend Lines for Buy & Sell Decisions

4 Steps to Draw the Trend Lines on the Chart

  1. To evaluate an upward trend, draw a line joining the highest highs
  2. For the floor of the uptrend, draw a line connecting the lowest lows. The price here bounces three times the bottom trendline but then proceeds higher. The more bounces off a trend line, the stronger the trend.
  3. A trend line is drawn to show that the price has moved strongly past the previous high; this is a BUY Signal at $35.50.
  4. Finally, the price is exhausted and falls through the bottom resistance line at $53.

Buying and selling, based on the trend lines here, would have netted you a tasty 49%.

Alas, life is never that easy, and showing this in retrospect does mean we have the benefit of hindsight. This is why the finest minds of Wall St. have a whole host of other technical indicators accompanying price to enable you to assess trend quality. These will be discussed in other chapters.

FAQ

Can you automate trendlines on stock charts?

Yes, it is possible to fully automate trendlines on stock charts using TrendSpider. TrendSpider uses AI algorithms to plot trendlines on charts on multiple timeframes, which is a game changer for traders.  TrendSpider also automatically identifies chart patterns, Fibonacci and Elliot Waves.

Do trendlines work?

Yes, trendlines are an extremely powerful and reliable tool for traders. They can be used to identify support and resistance levels with a visual way to track the price movements of stocks and other assets over time. With TrendSpider's automated system, trendlines become accurate and fast to plot on charts.

How do you identify a trend line?

To identify a trend line, you will need to plot at least two points on the chart. A straight line should then be drawn connecting these two points and extend until it intersects with another point. Once this is done, if the price continues to touch or cross the line in an upward motion, you have identified an uptrend.

Do professional traders use trendlines?

Yes, professional traders use trendlines in their trading strategies as they are an extremely effective tool for predicting price movements and understanding asset behavior. With TrendSpider's automated system, trendlines can be automatically plotted accurately and quickly to help traders analyze the market with precision.

How to draw stock chart trendlines?

To draw stock trendlines, identify two trading points on the chart, connect them with a straight line, extend the line into the future to predict the price. With TrendSpider's AI charts, trendlines are automatically drawn for you using advanced algorithms and patterns.

Do professional traders use trendlines?

Yes, professional traders use trendlines in their trading strategies as they are an extremely effective tool for predicting price movements and understanding asset behavior. With TrendSpider's automated system, trendlines can be automatically plotted accurately and quickly to help traders analyze the market with precision. All professional traders use trendlines for visualizing market direction and as a core for trading strategies.

What makes a trendline strong?

A trendline is considered strong when it consistently connects several points on a chart, forming a consistent and reliable pattern. A trendline should also have an adequate number of touches in order to be considered reliable. The more touches on the line, the stronger the trendline.

What are the rules for trendlines?

The most common rules for trendlines are:

  1. The line should connect two or more points on the chart
  2. Each time a new point is added, the line should be redrawn to reflect the current trend
  3. Price should consistently respect a trendline in order for it to be considered reliable
  4. The more touches on the line, the stronger it is considered to be
  5. A break of a trendline indicates that the previous trend has ended, and a new one may have started.

When should you add a trendline?

Trendlines should be added when the price action of an asset is clearly moving in a certain direction. This indicates that there is a strong trend that can be used for trading opportunities. It's important to remember that trendlines should not be drawn arbitrarily; they should only be drawn after at least two points have been established and connected with the line.

When should you redraw a trendline?

A trendline should be redrawn when there is evidence that the underlying price action of an asset has changed direction. For instance, if the price breaks through a previously established trend line or fails to reach it in the first place, it may be time to redraw or adjust the trendline.

What happens when a trendline is broken?

When a trendline is broken, it can indicate that the underlying asset price has changed direction. This could lead to potential losses if trades are entered too early without further analysis of the market movement and context. Additionally, it is best practice to wait for some confirmation of the break before making any decisions, as there may be an opportunity to enter into more favorable positions.

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