Looking at silver pricing pre-1972 is the same as looking at the silver/gold ratio. I really don't think you can go back past the gold-standard horizon and backtest the "PP". The definition of the dollar changed fundamentally, and the PP exists in the fiat money world. Thanks. I had looke...

Looking at silver pricing pre-1972 is the same as looking at the silver/gold ratio. I really don't think you can go back past the gold-standard horizon and backtest the "PP". The definition of the dollar changed fundamentally, and the PP exists in the fiat money world. Thanks. I had looke...

Looking at silver pricing pre-1972 is the same as looking at the silver/gold ratio. I really don't think you can go back past the gold-standard horizon and backtest the "PP". The definition of the dollar changed fundamentally, and the PP exists in the fiat money world. Thanks. I had looke...

Looking at silver pricing pre-1972 is the same as looking at the silver/gold ratio. I really don't think you can go back past the gold-standard horizon and backtest the "PP". The definition of the dollar changed fundamentally, and the PP exists in the fiat money world. Thanks. I had looke...

I am a long term devotee of the Permanent Portfolio (at least in terms of research) but the nagging doubt I have relates to the limited back testing data which is available. I realise that silver and gold are different in terms of their applications. However, they do appear to be broadly correlated ...