You will come across specific terms in these notes (FLD, VTL, and so on). Rather than explain them each time, you will find definitions here: guidance notes for Hurst cycles terminology
VIX - testing an 18 month cycle trough? Readying for an upside explosion in vol?
Can one actually perform trough-synchronized cycles analysis on such a jagged series as VIX (which is usually considered as peak-synchronized)? We were not sure, so we tried, and the results are intriguing.