With all the interest in the British pound due to Brexit concerns, I thought you might be interest in this latest chart from senior currency strategy Kristian Kerr:
"The chart [below] shows a fairly clear 8-year low to low cycle in GBP/USD. The 8 to 9 year cycle is one of my idealized intervals as it fits well with the Martin Armstrong Pi cycle and other geometric concepts...
"More importantly, it also argues that GBP/USD is in the tail end of this cycle and should head generally lower into the latter part of next year/first part of 2018, which coincidentally aligns with other long-term relationships..."
You can read Kerr's complete analysis of the GBP/USD 8-year cycle on DailyFX.com