These rarely print at this time frame. One reason is that a concurrent TD Sell Set up subsequently prints a 9 which cancels the signal under most default settings of DeMark's indicators. That could be the case for this month, where the SPX could print a Sell Set up 9.
Their history is spotty for identifying the absolute long term top before significant declines in the industrials, but they often warn of impending weakness on an intermediate term basis. For example $Indu completed a monthly TD Combo sell signal in May 2007. It completed a TD Combo sell signal two months ago.
It's history in the SPX is spotless but no signals pre-date the 1990's.
One should use shorter term signals for trade entry decisions. The daily and weekly charts are in substantial alignment with the monthly.
TD Combo Sell Signals Complete in March 2013 on Monthly SPX and Compx
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