Maybe this set-up is better suited to a follow up to the earlier trade opp (signaled by MACD), as a means to re-enter trade at a reasonable reaction level (Gann line), using this method of analyzing all the indicators to make a case for or against the MACD signal.
JamesBrown
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A problem that I can already see, though, is that price is less likely to make big, quick, profitable moves, off of these reactions to lower Gann lines after coming down from higher sloping trend lines. Just a thought.
JamesBrown
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There seems to be something useful here, as the Gann Lines definitely do act as support here and in some other examples that I can find on the SPY 1 hour chart.
JamesBrown
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Perhaps the purple lettered idea, or the blue lettered idea coupled with a trailing stop half way between the two Gann Levels (starting with the lowest of the two for the purple trade and then switching over to the new trailing stop line when price moves above the upper Gann Line) would be a better set-up?