As of 07/07/2025
Indus: 44,406 -422.17 -0.9%
Trans: 15,811 -235.71 -1.5%
Utils: 1,053 +0.19 +0.0%
Nasdaq: 20,413 -188.58 -0.9%
S&P 500: 6,230 -49.37 -0.8%
|
YTD
+4.4%
-0.5%
+7.2%
+5.7%
+5.9%
|
 45,100 or 43,000 by 07/15/202516,800 or 14,700 by 07/15/20251,090 or 1,025 by 07/15/202521,300 or 19,600 by 07/15/20256,350 or 6,000 by 07/15/2025 |
As of 07/07/2025
Indus: 44,406 -422.17 -0.9%
Trans: 15,811 -235.71 -1.5%
Utils: 1,053 +0.19 +0.0%
Nasdaq: 20,413 -188.58 -0.9%
S&P 500: 6,230 -49.37 -0.8%
|
YTD
+4.4%
-0.5%
+7.2%
+5.7%
+5.9%
| |
|
45,100 or 43,000 by 07/15/202516,800 or 14,700 by 07/15/20251,090 or 1,025 by 07/15/202521,300 or 19,600 by 07/15/20256,350 or 6,000 by 07/15/2025 | ||
This article looks at the failures of chart patterns, sorted by the month in which the breakout occurred. First posted August 2015.
I sorted chart patterns that failed to see price rise more than 10% after the breakout by their breakout date.
The average failure rate for all qualifying chart patterns in the study was 8%.
The fall/winter months (February and October through December) had fewer failures and the spring/summer months (March, April, June and July) had more failures.
I received an email that asked if August showed more chart pattern failures than other months. Since it was an easy question to answer, I started the research and found the result a day later.
The results are discussed in this article.
I looked at the breakouts from the following chart patterns.
I used 1,263 stocks and found 23,487 chart patterns from 1988 to 2015. Not all stocks covered the entire range.
I sorted the breakout date according to the month in which it occurred.
For this test, I defined a chart pattern failure as one in which price failed to rise more than 10% after an upward breakout (to keep the sample counts high). The results are for bull markets only and for chart patterns that appear on the daily charts.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Failure Rate | 8% | 7% | 10% | 10% | 8% | 11% | 11% | 8% | 8% | 6% | 6% | 7% |
| More/Less | Less | More | More | More | More | Less | Less | Less |
Table 1 shows the results, sorted by month. For example, in January 8% of the chart patterns failed to rise more that 10% after an upward breakout in a bull market (at the time of the breakout). The 8% value is the average failure rate for all qualifying chart patterns that I measured.
February showed fewer than average failures, as the "less" box in the "More/less" row signifies.
Based on the results, we can say that February, and October through December showed fewer failures and March, April, June and July showed more failures. Generally, the fall/winter months had fewer failures and the spring/summer months had more failures.
-- Thomas Bulkowski.
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