The middle chart is GLD/SLV. You can see this is an excellent indicator, when this ratio is at a bottom, the market usually tanks, within 3 to 5 days, but sometimes immediately. The trick is figuring out when the bottom is.
This top chart is SPY/VIX I plotted it just to see if any interesting effects came up....none really
The Bottom chart is SPX, the S&P 500, follow each purple line from the GLD/SLV bottoms. Amazing methinks. The two highlighted candle patterns are similar, the first one started the Head of the infamous 2009 Head and Shoulders Bear trap. The second one is NOW.
And finally, a boatload of other charts for your free consumption.
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