Harmonic Trading Patterns have several patterns, one among them is AB=CD, currently CNX 500 has shown a reversal from the PRZ signifying bearishness. Fresh bullishness as per the pattern would happen only if it negates the pattern above 9500, the strength of the pattern reversal would further accelerate below 9000 for its expected retrace levels as per theory of 38-50-62% which are near 8500-8200-8000