"The 50 week cycle peak usually occurs before the 55th week."
In CANSLIM, we used to have an observed exception to the 9-month cycle which occurred at the start or the end of a bull market and tended to have an extended bull run of 12-to-18 months at the end like the one in 1999, 2003, and 2009. Never heard of a one-year cycle. There is seasonality which can abbreviate or extend the old 21-week cycle.
Edited by Data, 09 August 2017 - 12:09 PM.