$SPX Harmonic: Potential M Bat Forming

Points X, A, B are confirmed. With completion of C + D, this would play out as a multi-year M-shaped bat, marking the end of the bull market at point C for a near double-top, followed by the end of the bear market at point D (~2,491.86) for a favorable double-bottom near the pandemic low.

Point C: Go short
Point D: Go long