Data from 2012 Sep to 2012 Nov is added to prior prediction chart (visible at flic.kr/p/dbQiNW ). Layers updated to indicate boundaries & indicators for prior vs current. Silver overlay is nearly where gold price is (1.77x proportion, exponentially). Clearer picture of silver vs gold overlay in image: flic.kr/p/dr5pgt
Data from www.fxhistoricaldata.com/download/XAGUSD?t=hour
then additional chart-data literally photoshopped onto the prior chart to save some time but check the data files to ensure accuracy.
2012 Nov 16 this just in - a nice article showing how this works too (but it was made after my charts, thank you), from 2012 November 16, KingWorldNews, Tom Fitzpatrick with Citi