12-16 cycles and Gann

Another approach to cycle analysis was developed by Gann.  Here is some information on his approach:

http://ptv-investing.com/blog/2009/08/01/how-to-use-gann-fans-and-time-cycles/

I have tried to provide you a Gann Circle based on more recent data:

And a Gann Fan chart using dates from the above circle:

I am no expert on this methodology, but felt it might interest you.