"Building the world's most accurate stock market timing model!"
Everyone else is just guessing.
Total Return S&P 500 CrystalBull
YTD (10/30) +17.5% +64.9%
1 yr. (2008) -37.0% +27.6%
3 yr. (2006-2008) -23.2% +81.1%
10 yr. (1999-2008) -13.6% +587.1%
Click to see historical performance of
The CrystalBull Trading Indicator
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( HINT: Click-and-drag left-to-right on the top chart (S&P 500) to zoom in to a specific date range. Double-click on S&P 500 chart to zoom back out. )

The Relative Strength Index (RSI) is a measure of how quickly the stock or index has risen or fallen, and thus can demonstrate an overbought or oversold condition. Both high and low RSI values are unsustainable, and thus are great indicators in market timing.