Bulkowski’s Good Earnings Surprise

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A good earnings surprise is an event pattern in which a company issues an earnings announcement and the market interprets it as better than expected. But, almost half peak after rising 10% in less than 2 weeks. Discovered by Thomas Bulkowski in the fall of 2003. For more information see pages 868 to 879 of the book Encyclopedia of Chart Patterns, Second Edition and the following...

A good earnings event pattern

Important Bull Market Results

Overall performance rank (1 is best): 5 out of 6
Break even failure rate: 29%
Average rise: 24%
Throwback rate: 41%
Percentage meeting price target: 76%

Identification Guidelines

Characteristic

Discussion
Price trend Upward leading to the announcement for the best performance.
Market This event pattern works best in a bull market.
Announcement The company announces earnings and the stock makes a large upward move that day or the next if the market was closed.
Wide swing Look for announcements in which price makes a large intraday price swing, 2 or 3 times the average daily intraday price swing over the last month.
Yearly low For best performance, select announcements that occur within a third of the yearly low, just make sure price is trending upward.
Upward breakout A breakout occurs when price closes above the high posted on the announcement day.
Volume Select patterns with heavy announcement day volume, above the 30-day average.

Trading Tips

Trading Tactic Explanation
Measure rule On the announcement day, subtract the intraday low (point B) from the high (A) and multiply the difference by the above “percentage meeting price target.” Add the result to the intraday high (A) to get a price target (C).
Confirmation Wait for price to confirm the pattern because traders may push price down instead. An upward breakout (confirmation) happens when price closes above the high posted on the announcement day (point A in the figure to the right).
Trend Trade with the trend. Buy an upward breakout only if the market and industry are trending higher.
Swingers Place an order to sell if the stock hits its price target.
Caution Failure rates are high. Almost half (48%) rise just 10% before tumbling and that occurs in less than 2 weeks.
Good earnings event pattern measure rule
The Measure Rule

Example

Good earnings event pattern example

The above figure shows an example of a good earnings announcement event pattern. Price makes a large price swing when earnings came in better than expected. Price climbed 7%. But, over the next three days, price retraced its gain and staged a downward breakout (price closed below the red line). The following day, price recovered and climbed to a new high. Then, as is so common with this event pattern, price rounded over and headed back down during the next several weeks.

Copyright © 2005-2007 by Thomas N. Bulkowski. All rights reserved. Never try to out stubborn a cat.