As of 05/17/2019
  Industrials: 25,764 -98.68 -0.4%  
  Transports: 10,492 -113.76 -1.1%  
  Utilities: 790 +3.91 +0.5%  
  Nasdaq: 7,816 -81.77 -1.0%  
  S&P 500: 2,860 -16.79 -0.6%  
YTD
 +10.4%  
 +14.4%  
 +10.8%  
 +17.8%  
 +14.1%  
  Tom's Targets    Overview: 05/14/2019  
  Up arrow26,600 or 25,000 by 06/01/2019
  Up arrow10,700 or 10,000 by 06/01/2019
  Up arrow825 or 755 by 06/01/2019
  Up arrow8,100 or 7,400 by 06/01/2019
  Up arrow2,900 or 2,740 by 06/01/2019
As of 05/17/2019
  Industrials: 25,764 -98.68 -0.4%  
  Transports: 10,492 -113.76 -1.1%  
  Utilities: 790 +3.91 +0.5%  
  Nasdaq: 7,816 -81.77 -1.0%  
  S&P 500: 2,860 -16.79 -0.6%  
YTD
 +10.4%  
 +14.4%  
 +10.8%  
 +17.8%  
 +14.1%  
  Tom's Targets    Overview: 05/14/2019  
  Up arrow26,600 or 25,000 by 06/01/2019
  Up arrow10,700 or 10,000 by 06/01/2019
  Up arrow825 or 755 by 06/01/2019
  Up arrow8,100 or 7,400 by 06/01/2019
  Up arrow2,900 or 2,740 by 06/01/2019

Bulkowski's Pattern Recognition Software

 

Patternz is a FREE desktop software application that finds chart patterns and candlesticks in your stocks automatically and displays them on a chart or lists them in a table. It does not contain any spyware and there is no registration process. It works with Windows 7 (and more recent) versions of the operating system. An older version that works with Windows 3.11 and XP is available here.

Use Patternz at your own risk.

 Download Now 

Version 7.12 3/15/2019

 
Features
Screen Tour and Online Help
Installation Instructions
Using Patternz the First Time
Tips
Common Patternz Problems 
Known Bugs
Release notes/old versions
See Also
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Patternz Features

Patternz is a Windows based program that automatically finds chart patterns. It has these features.

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Patternz Tour: Main Form

Picture of the main form

The picture on the right shows the Main Form of Patternz as of version 7.5

The white area (1) lists your stock quote files. Each file contains quote information about ONE stock that the program uses. You must provide the stock symbols (Where do I get symbols: explained) of your choice.

The Browse Portfolio Location button at 2 helps locate data files shown in 1. The selected path appears at 5 (unless you select files, in which case, the number selected is shown).

The menu bar (3) shows:

When checkbox 6 is checked, the portfolio feature (4) appears. This allows you to setup multiple portfolios to contain different stock symbols (quote files). Click the Help button (7) for more information.

The buttons below 2 (clockwise from left): Indicator runs the chart pattern indicator, Score (automated scoring, removed from version 7 because of yahoo lack of support. Use manual scoring instead) helps select the best performing chart patterns, Select All highlights all files listed in 1, Chart the files, List found patterns, and Update stock quote data.

After highlighting stock quote symbols in 1, the buttons below 2 will ungray as will menu items.

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Patternz: Fib Finder Form

Picture of the score form

The Fib Finder Form is new to version 6.8. It allows you to search files for Fibonacci retraces and extensions.

Access this form after selecting files you wish to search on the Main Form. That will ungray the menu item and clicking on the item will take you to this form.

Click the Help button on the form for specific instructions.

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Picture of the file format form

Patternz: File Format Form

 

NOTE: For most users, this form is no longer needed. I show it here only for advanced users, ones not using the Update Form to update their quote files.

 

Shown on the right is a reduced version of the File Format Form as of version 7.3.

Access this form from the Main Form (See File Format menu option).

This form allows you to tell Patternz which quote items appear first, second, and so on, in your data files.

The form provides a small chart (1) to see if your configuration is charting properly, a list of files to chart (2), sample file contents (3), a grid of file information (4), and an area to configure your data files (5, 6).

Each file MUST have the same format. So if you change to a different quote provider and they have a different format, then replace all of your quote files.

I'm talking about quote files that YOU provide, NOT those which come from one of Patternz's quote providers. Patternz understands the differences in Patternz's quote providers, so there's no need to remove existing quote files if you change to another Patternz listed provider (see the Update Form for more information).

For detailed help with this form, click the Help button on the form.

To use this form, setup the column order by checking the appropriate check box in 5 and assigning the column number matching the order shown in 3. Adjust the date format (6) to match that shown in 3. When you're finished, click Graph and the results will appear in 1 and 4.

If your file contains a date and time in the same column, then check the "Date & Time" checkbox in (5), leave the "Time (separate column only)" checkbox unchecked, and make sure a 0 appears in the associated Time's column number.

For example, the first line of 3 shows that the date comes first, so the Column Order's Date text box (5) has a 1 in it. The next column in 3 shows the opening price. In 5, check the Open check box and enter a 2 in the Open text box. Similarly, continue assigning a column to each of the items in 5 matching those in 3. If 3 has a column not matching a control in 5, then be sure to adjust the column number appropriately (often by skipping a number).

For example, say the first line of 3 shows: "Date,Split Factor,High,Low,Close,Dividends." In 5, set Date to column 1, High to column 3 (not 2, because Split Factor appears in column 2), Low to column 4, and Close to column 5. All other check boxes should be unchecked and the associated text boxes should have a 0 column number (0 means unused).

You would ignore both Split Factor and Dividends in 3 because there is no matching control in 5.

 

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Patternz: Candles Form

Picture of the Candles form

Full candlestick support appears starting in version 5.2. The above form shows the number of candlestick patterns supported (105) as of version 7.0.

On the Chart Form, hovering over a price bar will cause Patternz to run candlestick recognition. The results of what it finds appears on the form. The List Form will report candlesticks found on the specified date range, too, in list format. Both of those forms depend on this form to identify which candlesticks you wish to search for.

New to version 7 is the Top 10 buttons in the bottom center of the form.

The Reversal button checks the ten candlestick patterns that indicate a reversal most often. A reversal occurs when price breaks out on the same side as it entered the candle. For example, a reversal occurs when price enters a candle pattern from the bottom and breaks out downward (that's a reversal from trending up to down). A high reversal rate says nothing about the strength of the trend which follows.

The Continuations button checks the ten candlestick patterns in which the outbound trend direction matches the price trend preceding the candle most often. For example, if price rises into a candle pattern and breaks out upward, then the candle acts as a continuation of the upward price trend. A candle with a high continuation rate says nothing about how long the post-breakout trend will last.

The Best Performing button shows the top ten candle patterns that performed best over time (the largest gain or loss after the breakout).

Be aware that just because a candle shows a reversal or continuation most often doesn't mean a tradeable trend results. Reversal or continuation reflect a change (or not) of the inbound price trend versus the breakout direction.

Use

Choose the breakout direction you're interested in (up or down) then choose one of the Reversals, Continuations, or Best Performing buttons. Clicking one of those will check ten candles.

If you click more than one of those three buttons, additional candles will be checked (some may be duplicated) without the prior selections being removed. For example, if a northern doji is the best reversal and the southern doji is the best continuation, clicking Reversals will check the northern doji and clicking Continuations will check the southern doji, so BOTH candles will be checked.

If you wish to see only one set of top 10 candles, then click the Clear button first before clicking Reversals, Continuations, or Best Performing.

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Patternz: Patterns Form

Picture of the Patterns form

Pictured above is the Patterns form, as of version 7.3. Patterns shown grayed here have not been implemented and may never be implemented. Not shown are eight additional chart patterns, new to version 7.4.

This form allows you to select the chart patterns you wish to view. You can access this form from the Main Form, Chart Form, or List Form.

Checking the associated chart pattern means Patternz will search for that pattern in your data files.

The controls are self-explanatory, but you can hover your mouse over the buttons for specific help. Also note that some of the patterns have a button associated with them (question mark button for gaps, fakey, and three-bar, or the Wolfe wave button). Click those for important information.

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Patternz: Chart Form

Picture of the chart form

Pictured above is a reduced snapshot of the Chart Form as of version 7.10. Patternz charts your stock data and searches for chart patterns and candlesticks.

Shown is a double top chart pattern in the S&P 500 index.

  1. This is an example of an annotation. You can turn on/off annotations on the Setup Form. Click the Setup button on the bottom right of the form.
  2. The colored lines are the targets. They are color coded on the grid on the lower left of the form and on the Setup Form. Pick the targets you wish to display on the Setup Form.
  3. The wavy blue line is a moving average. You can control the appearance of this line on the Setup Form.
  4. Click a row in this grid to highlight the pattern on the chart. Candlesticks will appear as two small red circles on the chart (not shown here). Candlestick display is new to version 7.10. Not all of the grid appears in this figure. A 0 value for the ultimate high/low means the program did not find the ultimate high or low yet. Note about the volatility stop. This is calculated ending the day before the breakout. If not enough data is in the file before the breakout date (20 days worth), then you'll see a 0 stop price. You'll also see a 0 stop price if the calculated stop were to be below 0.

Most of the controls at 5 are self-explanatory except for these.

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Patternz: List Form

Picture of the list form

The picture shows the List Form (as of version 7.1).

From the main menu, select the stock symbols you wish to search and then click the List button. The List Form appears.

After you click the Start button, the program will load each file and search for chart patterns and candlesticks. If it finds any, they will appear in the list, similar to that shown.

The Graph button will chart the selected (highlight the ones you wish to review in the list box) list box entries.

You can sort the list by clicking the list box header labels (Stocks, Last Close, Pattern Description and so on).

Click the Help button on the form for additional help.

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Patternz: News Form

Picture of the news form

The picture shows the News Form (new to version 7.5). Use this form to get news on stocks. You'll need a Tiingo token and a paid subscription to their service (as I write this, anyway) to use this form.

The controls are either self-explanatory or the help text on the left side of the form will provide assistance.

Enter your Tiingo token in 4. Type in the stock symbol (if more than one symbol, separate them by spaces) at 5, and press Start. The program will use the Internet to check if there is news on your stock files.

News appears at 1.

Number 2 shows options to control what you receive from Tiingo. For example, say you want to read three news items. Enter a 3 (like that shown) in the numeric up/down control. You can better target the news items by using the date controls.

Item 3 allows you to remove items from the news feed. For example, I chose not to include the source of the article, so I left that control unchecked.

Be aware that using this form will affect your Tiingo subscription. In other words, if your plan allows 1 gb of data per month, you might well exceed that if you check news often, especially on multiple symbols.

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Patternz: Update Form

WARNING: The first time I ran this version, it appeared to hang my machine. About 2 minutes after running the thing, my virus software popped up and said Patternz was trying to access the internet. Duh. I approved the access and it's worked fine since.

The picture shows the Update Form, as of version 6.6

From the main menu, click the Update button to get here. The Update Form appears.

Here are brief descriptions of the controls.

Picture of the list form

  1. This is where your stock (symbol) files, if any, will appear. Highlight the files you wish to update and click Start (7).
  2. Start from last update: This option updates your quote files starting from the day after the last quote. If the markets are open, updating ends with the prior day. If the markets are closed and data is available, the current day's quotes are included. Thus, you should wait a few hours for end of day data to be available.
  3. Get historical quotes: This option replaces your quote files with new data. Specify the date range (6), any new symbols (5), and click Start (7). Use this option to keep your quote files short. I recommend 2 years of data which will keep load and processing speed tolerable.

  4. Select your quote provider. The ? buttons provide more information about some providers.
  5. API key/Token: Some quote providers need an API key or token. Paste the token in the box provided (it will not be grayed for those services requiring a token, so click Alpha Vantage, Quandl, or Tiingo (3) first). If you are using Quandl, select the database (Quandl DB) you wish to use. WIKI is for US stocks.
  6. For historical quotes files only, enter a list of new symbols (5) you wish added to the list box (1). Separate each symbol with a space. If the text box is grayed, then click the Get historical quotes radio button.
  7. For historical quotes only, enter the start and end dates of the historical data you wish to download. To keep the program working fast, I suggest a maximum of about two years of data.
  8. The Update All Portfolios button updates stocks in each portfolio automatically. The Browse button allows you to find existing quote files. The Stop button halts a download. The Start button begins a download. Select All highlights files shown in the list box (1). Help provides help for the form (as does hovering the mouse over a control). The Done button returns the program to the Main Form.
  9. This is the retry list box, new to version 6. If a symbol is not updated by a quote provider, it will be placed here. Select a new quote provider, highlight the symbols in the retry list box you'd like updated, and click the Retry (3) button. The highlighted symbols will be sent to the new quote provider for update. Continue this procedure until all symbols in the retry list box have been removed. Note: if an unusual number of symbols appear in the retry list box, then it's possible that the day's quotes are not available by the quote provider. Sometimes, it'll take until the next day for quote information to become available.

    New to version 6.6 is the Auto retry check box (also located near 3). Checking this will instruct the program to automatically retry the various quote providers should any quote files still need updating. It works best if you have provided tokens for the various quote providers otherwise they will be skipped.

  10. Error messages appear here.
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Patternz: Chart Pattern Indicator

Picture of the chart pattern indicator form

The picture shows the Chart Pattern Indicator Form as of version 7.3.

From the main menu, highlight the files you wish to include in the indicator analysis. The index file you choose later (see 2 below) will be excluded from the analysis automatically. Often you can just click the Select All button on the main form to highlight all files.

Click the Indicator button on the Main form to take you to this form.

1. This is where the program draws the index (candlestick chart) and chart pattern indicator (the long, vertical, red (bearish signal) and green (bullish signal) bars plus the wavy blue line, which is the indicator). When analysis is complete, a Results box appears showing the last 7 days of data.

2. Controls:

For more information on the indicator and what it means, see: http://thepatternsite.com/CPIUpdate.html

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Patternz: Splits and Dividends Form

Picture of the splits and dividends form

This form is new to version 6.1. Access the form by clicking the Splits/Divs menu option on the Main Form. The form shows stock splits and dividends for the securities you choose.

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Patternz: Setup Form

Picture of the manual score form

As of version 7.10, this is the Setup Form which you can access from the Chart Form by clicking the Setup button.

  1. Select either a candlestick or open-high-low-close bar chart. New to version 7.6 are annotations. Check the box to show them on most charts. An annotation is a small box that tells you the price or volume where the mouse points.
  2. These define aspects of the chart's colors. Click one of the five buttons to select a new color (even the black buttons say "Pick", although you can't see it) or Restore Defaults to return the color settings to the factory presets.
  3. This limits the number of decimals shown. For currencies, you may wish to change the 2 to a 4 or another value.
  4. Check the box to show a moving average. When checked, the controls appear where you can select the type of moving average and the length, as shown in the figure.
  5. This tells Patternz what to do with quotes which have no volume. Many times, 0 volume is a quote error, but not for mutual funds and maybe other security types. You may wish to chart (or not) quotes with 0 volume days.
  6. For gap patterns, this sets the minimum size used to detect a gap. A gap twenty cents tall is shown.
  7. A few Patternz charts support target information. Select the type of information you wish to view on the charts. On the Chart Form, select a chart pattern or candlestick listed (if any) from the list box (grid) on the lower left side. Any targets associated with that pattern will be displayed, if possible to do so.
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Patternz: Manual Score Form

Picture of the manual score form

The Manual Score Form is new to version 6.6, but Patternz version 7.1 is shown above.

Chart patterns with scores above 0 tend to outperform those with scores below 0. Generally, the higher the score, the better the performance. Scores range from +10 (best) to -10 (worst) for both up and down breakouts.

Access the Manual Score Form from the Main Form menu. You can highlight a stock file you wish to score or do so after the form loads.

The picture shows the score for Apple Computer's double top chart pattern. The two red vertical lines show where the chart pattern starts and ends. The blue line is the breakout day, and the green line shows where the trend starts.

Follow the steps from the middle left to the lower right.

It helps if the chart pattern you're scoring is in a stock you follow. If so, you can click on the stock from the main form (as described above) or access it using the Browse button on this form (about midway between numbers 1 and 2 on this figure). Find the location of the stock and click on its name (1). The stock will chart. The chart may or may not show the chart pattern you're interested in scoring. You can adjust the start and end dates of the chart pattern and then click Graph to update the chart. The chart will add a margin so a year's worth of price data will be displayed, if available.

Select the chart pattern your interested in scoring from the drop down list (near 1 where it says Pattern). The form shows Double Top, Eve and Eve, as an example.

You can click 2, "Get Existing Pattern's Dates" to automatically fill in the pattern start and end dates (if a chart pattern is shown)(above 3) or you can manually enter the dates yourself. Alternatively, click on the "Pattern start" text box and then right mouse click on the price bar (on the chart) where the pattern begins. The date of that bar will be pasted into the text field near 3. The same technique applies to the end and breakout dates as well as the pattern's height and breakout prices (step 1). Fields with red labels use this pasting mechanism. After pasting, the focus automatically moves to the next field so you can right-mouse click on the next item.

Try it and you'll get the hang of it. You need not chart a stock to be able to score it, but you'll need the various pieces of information that the scoring system requires. Being able to chart it makes scoring a pattern a lot easier.

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Proceed to Step 1: Chart Pattern Height (below 1 on the figure) and fill in the information. If you click "Find 1, 2, 4" and have the start and end dates of the chart pattern graphed, the program will fill in the appropriate prices. You'll have to enter the breakout price yourself or check the value pasted in earlier. The find button will calculate the height and select short or tall for you based on the breakout price and pattern height. If you know how to do the calculation (which requires the median height as a percentage of the breakout price) then you can click Short or Tall yourself.

Proceed to Step 2, Yearly Price Range, and so on completing the form through step 11. If you click the Find buttons along the way, the calculation is done for you, making your job easier. The score is updated along the way, and it appears on the form at 4. This pattern has a -6 score.

Here is more information about the other steps.

DISCLAIMER: The scoring system is a tool to help you select better performing chart patterns, but there is no guarantee. Some patterns will work better than others, regardless of the score. How you trade will determine success or failure. Your actual trading results will vary. Past performance doesn't guarantee future results. YOU ALONE ARE RESPONSIBLE FOR YOUR INVESTMENT DECISIONS. Please understand that the Score Form does NOT make recommendations as to which security you should trade.

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Patternz: Seasonality Form

Picture of the seasonality form

This is the Seasonality Form, new to version 7.4

This form allows you to check how far price might close higher or lower for any period of the year, based on historical performance.

For example, will the stock close higher on Tuesdays? Or how about in September, often the weakest month of the year? What's the best time to buy, hold, and sell a stock during the year? This form answers those questions and others.

On the Main Form, select the file(s) you wish to examine and click the Seasonality menu option. This form will appear. Click Start or Auto to begin.

The box at 1 is a message box which appears after pressing the Auto button. It describes results found for Alcoa stock (AA.csv) in this example. You can read the message about what it finds.

Shown under the message box at 2 are some of the results for Alcoa and other stocks.

The other controls are self-explanatory but click the Help button on the form for detailed help or hover the mouse over most controls for a quick outline of its function.

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Patternz: Relative Strength Form

Picture of the relative strength form

Momentum traders want to buy stocks with increasing momentum. This form helps find those stocks.

Green cells mean improving performance (higher momentum) from period to period on the same stock. Red cells mean lower performance.

Most of the numbers shown are performance percentages.

For example, Verisign (VRSN) has 4 green cells in the row (3 are shown). End of day closing prices were not available when I made this screen capture, so cell D is blank. Cell E shows that on 8/18 (Friday, the prior trading day), the stock gained 0.3%. For the week, the stock lost 0.5% (F) compared to the prior week's loss of 1.8% (G). Because -0.5% is a smaller loss than 1.8%, cell F is green.

Interpret the other cells in a similar manner for periods of day, week, month, 3 months, and 6 months.

To use the form...

  1. Select stocks you wish to scan in A.
  2. Select an end date. If you select a holiday or weekend, the date will be changed automatically for the prior trading day.
  3. Click 'Start' or 'Scan All Portfolios'
  4. The results will appear in grid B

Click cell C to highlight all rows in the grid. Use this as a quick method for highlighting all rows for the Clipboard (button). Use the Clipboard button when you wish to view the results in another program, such as Excel or notepad.

To sort the performance, click on one of the header rows. An arrow will appear (circled). Click the cell again and the arrow will reverse and so will the sort.

These cell commands are common to all Patternz grids.

For additional help, click the help button on the form.

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Patternz: Installation Instructions

Follow these instructions to install Patternz.

  1. Use the control panel to uninstall any old versions of Patternz.
  2. Download Patternz to your machine by clicking the link at the top of this page (See Download Now).
  3. Extract all files from the compressed folder and put them in a location of your choice. Note: MMM.csv is a sample data file containing stock quote information that Patternz can read.
  4. Run setup.exe.
  5. Once installation completes, there should be a Patternz short cut on your desktop. Click that to run the program.

Versions 5.x (and more recent) of Patternz should work with Windows 7 and more recent operating systems. Patternz works on computers with a minimum screen size of 1024 x 768.

This version works best in the United States and for countries that use a similar date format. If your country has a different way of treating numbers (instead of 43.57, it's 43,57 for example) or if your country trades on the weekend (Saturday or Sunday), then it might not work. Try it and see.

If you still want to use it despite a different format, then find the International settings ("Clock, Language, and Region") in the control panel and set your Formats (tab) and Location (tab) to the United States. You'll need both the format and location.

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Using Patternz the First Time

To use Patternz the first time, follow these instructions.

  1. The first time you run Patternz, a license form will appear. Read the form and click that you accept or reject the terms. Click the Done button.
  2. If you accept the terms, a message box appears that talks about the stock data files. Click OK.
  3. The Browse For Folder dialog box appears. Select the location where you have placed your stock quote files or where you intend to place them. Let's call the location you select the Patternz Folder.
  4. Move the MMM.csv file from the extracted folder (see Installation Instructions above) to the Patternz folder. The MMM.csv file contains sample stock data which Patternz can use to find chart patterns. You do NOT have to move the file, but it's helpful if Patternz has at least one stock file to use.
  5. After you click OK from the Browse For Folder, the Main Form appears. If you have stock data files, they will appear in the list box. If you HAVE data files but they do not appear in the list, then click the Browse Portfolio Location button to locate your data files. Only files with .csv or .txt extensions will appear in the list. If you moved MMM.csv to the Patternz folder, it should be listed. Metastock, Mt4, or other file types are not supported.
  6. If you do NOT have any stock data files, then click Update and read the instructions (below) for that form to download quote files.
  7. Return to the Main Form.
  8. Select a stock symbol listed and click Chart. Patternz will read the file and display it with patterns highlighted on the Chart Form.
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Patternz Tips

Once Patternz is setup, select stock files you wish to view and click the Chart button to view them.

On the chart form, when using the chart,

On the Main and Update Forms, highlight a stock symbol in the list box. Press the Delete key to remove both the symbol and the associated stock file from your computer. Press F2 to rename a symbol.

Where do I get the symbols from?

You'll have to use the Internet to search for symbols of your favorite companies. If you want the S&P 500 symbols, I downloaded them and made them compatible with patternz (meaning I removed everything except the symbol names and separated them by one space). Here's the list. I'm not guaranteeing that the list is correct, but it's one I found and it's a good starting point.

Once you have your symbols, go to the Update form. Click the 'Get historical quotes' option button to ungray the 'New symbol(s), space separated' list and paste them (or type them) in. Then run an update using the provider of your choice (Google stopped working long ago, yahoo is flakey, Alpha Vantage is slow. Tiingo is my favorite choice, but you'll need a token). The symbols and quote information (Don't forget to set the From and To dates) will be added to the program.

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Common Patternz Problems

Can't Install

Some machines may not allow the installation of Patternz. First, install the program after logging in as the administrator. Then pray. Also, your virus check may take a long time (a minute) before asking if you really want to install Patternz. We're not sure why some machines won't allow installation, but suspect it's a permissions (login as administrator) problem.

Check the zip file and see if there's a Patternz.exe file there. If so, copy that to your hard drive and see if it'll run. That skips the install process.

Update Form: No Internet Access

If you are using the Update Form to get quotes and it reports that the internet may be unavailable, then check your anti-virus/security software. It may be blocking Patternz's access to the internet.

Update Form: Cannot Download Anything

You have internet access and you've tried all of the quote providers, but still Patternz won't download anything. One user had that problem. Delete Patternz from the registry by following the steps here.

Update Form: Update Errors

If Patternz cannot update a quote file, it is placed in the Retry list box. Select another quote provider, click Retry, and see if you can download the symbol.

If you are downloading a lot of files (such as most of the market), be aware that stock symbols change from time to time. It's possible that you'll need to change or delete the stock symbol.

To change a symbol, on the Update or Main Forms, click the symbol you wish to change and click F2 on your keyboard. Change the symbol's name and click OK.

To delete a symbol, on the Update or Main Forms, click the symbol and press Delete on your keyboard and then click OK. WARNING: This will delete the associated symbol file.

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Chart Form: Quote Errors

The program will check for bad quotes, such as the high price being reported as below the low price or the opening price is zero. It counts these errors and reports them on the clipboard. So if you are using the Chart Form, for example, and see quote errors, paste the clipboard information into notepad.exe or other program and read what it says.

If you see a lot of quote errors, then that's a symptom of a corrupt file. See Step 2.

It's also possible that you have received bad quote information. The quote providers (Google, yahoo, and so on) distribute incorrect quote data from time to time, so seeing quote errors is not unusual. You may wish to select another quote provider and use the 'Get historical quotes' option to replace your quote files. See Step 2.

Chart Form: Chart Looks Wrong

1. If you chart a symbol and the chart looks incorrect (you can use Bigcharts.com or another online source to compare charts), then the symbol file(s) might be corrupt. This can happen if you didn't replace your quote files when switching to a new version from one before 6.0.

2. To replace bad or corrupted quote files, go to the Update form, click Select All (to highlight all quote files), click 'Get historical quotes', fill in the 'From' and 'To' dates (a two-year span works well. Longer files can slow the program) and then click Start*. The files will be replaced.

*Make sure you replace all quote files. If you have multiple portfolios, then click 'Update All Portfolios' instead of Start.

3. If you see lots of quote errors, then that's another symptom of a corrupt file. See the prior step to replace your quote files. However, read Quote Errors first.

General

Help

Most forms have a Help button, so click that and read the information.

Take the Tour and learn about the program's features.

When All Else Fails

If nothing else works, delete Patternz from the registry and run the program again. To do that, follow these steps.

  1. Run Patternz and go to the Main Form (the first form that loads)
  2. Click the Help MENU option
  3. Click Remove Patternz
  4. Click Delete Patternz from Registry
  5. Click Yes
  6. Exit the program and then run it again. See if that corrects the problem.
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Patternz: Known Bugs

5/8/19 I found a bug in the software where the date format for intraday data was being blocked. It will fixed in the next release. This problem only appears on the chart form in the from and to date boxes. You won't see HH:mm format to the right of the date.

5/8/19 When you right click on a price bar using intraday data, you won't see a time stamp. That'll be fixed in the next release.

5/15/19 Found a crash in triangles and wedges and maybe every other pattern. Fixed in next release.

As of version 7.5 (found 12/26/18), I believe I still have a problem with updating stock quotes. I noticed a duplicate crept in while using yahoo and 'start from last update' option on the Update Form. I did an update on 12/14 then another on 12/26, before the market opened. That created a duplicate...I think. Or it could be yahoo is passing bad data when a holiday is involved.

To fix, switch to 'Get historical quotes' on the update form.

As of version 7, 4/18/18: On the List Chart Form, some patterns may not be displayed. I researched this for several hours before giving up. It's a problem with how trendlines are selected. If you want to see the pattern, try adjusting the end date by a month or so (shorter or longer) and clicking Graph. It should appear, if not, pick another end date.

Patternz Release Notes, Old Versions

Links to the old versions appear in blue below. They are compressed files (.zip). Unzip them and follow a regular install.

-- Thomas Bulkowski

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See Also

Support this site! Clicking any of the books (below) takes you to Amazon.com. If you buy ANYTHING while there, they pay for the referral.
Chart Patterns: After the Buy Getting Started in Chart Patterns, Second Edition Trading Basics Fundamental Analysis and Position Trading Swing and Day Trading Visual Guide to Chart Patterns Encyclopedia of Candlestick Charts Encyclopedia of Chart Patterns 2nd Edition Trading Classic Chart Patterns Bumper's Story Head's Law
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