RTT On Balance Volume (RTT OBV) follows the Wyckoff volume laws of higher volume on the upswing and lessor volume on the down swing for a well performing bullish trend. Here is one example that suggest a rally for this ETF is due.
This was the view for the gold minors GDX. The bullish selling during June and July 2012 forecast the rally very well.
The RTT OBV is showing the same behavior in TBT (Short bonds, and higher interest rates).
RTT OBV does not give buy and sell signals however used with other readtheticker.com tools you can time you entry with ease. Also please review charts with Wyckoff 2.0 logic (Gann and Hurst).
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