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ChartBrief #41 Brexiteering the cable

With the latest rumblings of a "hard Brexit" hitting the wires the cable or GBPUSD has hit fresh lows. So I thought it would be worth reviewing an interesting chart of the sterling or pound as it's also known. The chart below shows the GBPUSD along with a simple measure of valuation that assumes long term mean reversion and long term reversion to/through PPP (purchasing power parity) implied levels. Also shown is perhaps more of a sentiment measure; speculative futures positioning. Together the indicators tell a very interesting tail of the Brexiteered currency.

GBPUSD valuation and futures positioning

The valuation indicator shows the pound as increasingly cheap against the US dollar, while at the same time speculative futures positioning remains materially net short. In other word's it is undervalued and unloved - something that should appeal to your inner contrarian (at least it make my inner contrarian take notice). Indeed, in the past when there has been a pairing of extremes in valuation and positioning it has marked turning points for the GBPUSD exchange rate.

GBPUSD technicals, downtrend, broken support

The trouble is of course, that there is no lower bound for exchange rates and it could keep going. The graph above shows the cable trading comfortably below the 50 and 200 day moving averages; both of which are sloping down - strong down-trend signal. Also worth noting is that the latest news or noise has send the sterling below support of 1.21 and in recent history breaks of support e.g. 1.29 and 1.41 have been followed by significant moves. So while the first chart says we could be nearing a turning point, the technicals say not so fast...

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