BRK.B - possible breakout of sideways pattern
Here's a chart from Patternz. Patternz is charting software that identifies the patterns for you.
The odds of a breakout or of a failing pattern are calculated for you!
Patternz has been developed by Thomas Bulkowski, author of the Encyclopedia of Chart Patterns.
An excellent resource.
Patternz: https://thepatternsite.com/PatternzNew.html
Encyclopedia of Chart Patterns: https://amzn.to/3SUUDT0
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