One indicator I keep an eye on is the NYAD - the NYSE Advance-Decline Issues ... The Fat Pitch chart shows NYAD at the top, with NYA prices below. So there was no signal.

NYAD Breaks Out Signaling Uptrend is Intact The New York Stock Exchange Advance Decline line (NYAD) made a new high, which was confirmed by the S&P 500. This suggests that the uptrend, for now ...

Below is an example of the advance-decline line for the S&P 500 SPDR ETF as it appeared in May 2018. It appears as the blue line graph plotted below the candlestick chart.