SPX - convexity arc -to ending diagonal

Hello,
Gap to be filled in the SP500 at 3,585,
Then a Ziz Zag ending diagonal to 3,400...and potential 3,200,
But lets work on the scenario at 3,400
Chart PatternsESHarmonic PatternsTechnical IndicatorsSPX (S&P 500 Index)S&P 500 (SPX500)

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