SPX500 MACD bear confirmation on the weekly?

Looking at MACD on the weekly for SPX500 reveals that historically when MACD is negative for as long as it has been recently, SPX500 has crashed further.

Weekly MACD suggests a bear 2016-2017 for SPX500
ESS&P 500 E-Mini FuturesMoving Average Convergence / Divergence (MACD)snp500SPX (S&P 500 Index)S&P 500 (SPX500)SPDR S&P 500 ETF (SPY)

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