The True Strength Index (TSI) and Gold/Silver Sell Signals

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Lately I have been intently researching how well the True Strength Index (TSI) indicator works in timing a parabolic move.  This article will present 5 charts that demonstrate my findings on both daily and weekly charts of gold and silver.
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First, let's begin with a weekly chart of the World Gold Index (XGLD) that encompasses the time frame of 2001 to present.  I have notated the C-wave tops and drawn in the appropriate trend line breaks of both the True Strength Index and Money Flow Index indicators.
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Click on any chart to ENLARGE
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The weekly TSI reading is currently .58, and by comparison to previous C-wave tops is still showing upside potential. My observation of the Money Flow Index indicator is that it either peaks at nose-bleed level at C-wave tops, or it simply stagnates sideways for a couple weeks.  Our present reading is neither nose bleed nor stagnant, so I interpret that as favorable.
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Our next chart is a weekly of the World Silver Index (XSLV) covering the same time period as our first chart. Again, I have drawn the appropriate trend line breaks on both the TSI and MFI.  The current TSI reading of .76 compares favorably with the peaks of the three previous parabolic runs - all of which were close to .90.  If this parabolic turns out to be similar to the preceding specimens, the current TSI reading suggests there are between 3 and 5 weeks left on the shot clock.
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I conclude from these two weekly charts that the TSI and MFI do a pretty good job of spotting the top and that there is excellent evidence to suggest we are not at the top yet!
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The following 3 charts are of the gold and silver parabolic of 2004, 2006 and 2008. It was interesting for me to discover that the 2004 gold and silver parabolics topped a single day apart from one another, and that the 2006 and 2008 parabolics topped on exactly the same day. It also surprised me to see that the TSI usually gave not one but two clear sell signals before it was too late.
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On each chart I have notated the date of each TSI signal and the number of trading days that it was either too early or too late. Also, I was curious to see how far gold and silver dropped after they peaked.  The doodling in black font on each chart is a note to myself about the percentage drop as measured from the highest price and the number of trading days to reach that particular reading.
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This chart considers the 2004 gold and silver parabolic. The TSI worked really well except for the fact that gold made a double top separated by nearly 3 months.  If a person had sold gold's initial sell signals they would have captured all of the gold move but left a lot of silver's move on the table.  Fortunately, the TSI gave silver a 'get back in' buy signal in early February and a person could have done just fine following that lead.
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The 2006 gold and silver parabolas are next. This time it was silver beating gold to the top and confusing things with an early sell signal.  As if to redeem itself, the TSI perfectly nailed the ultimate top of both gold and silver.

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The 2008 TSI sell signals were excellent.  Gold and silver each reached their peak at the same time and this parabolic event was, compared to the preceding two, much more straight forward.
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So I guess now you are wondering how it will turn out this time.  If it makes you feel any better, so am I.  I wish I knew.
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Everyone has a hunch so I'll tell you mine.  I think silver could end up doing a remake of 2006 where it rocketed ahead to its top, getting there before gold.  Silver would then make a precipitous drop to prior support thereby letting a bunch of folks off the boat, then continue higher along with gold to its final high.
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But who really knows, for sure?
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