$FTSE in USD Parallel Channel

Much has been made in the British press about $FTSE running inversely to $GBPUSD because it is in reality a USD index. Certainly the path is much clearer in USD. To trade this, you have to buy $FTSE and sell $GBPUSD to create a synthetic.
Trade closed: target reached: Not bad, not quite as strong as I expected. Closed now.