Here is the Array compile January 9, 1980. We can see that this picked January 21 as the high with a back to back Directional Change. That morning, Gold opened up limit at $875 on the spot closing at $850 after falling to $831. It had been just $597 at the low the week of January 7 and rallied about $300 into January 21.
Here is the DAX Forecast Array we published back in 1999 on the Yearly Level and how that turned out. We are preparing the porting of the Arrays for Socrates with a section on back testing.