That represents an overbought stock market, but it is not a sell signal. The McMillan volatility band (MVB) buy signal from early August (green “B” on the SPX chart) continues in place.
The Seasonality Timing System (STS) created by Norman Fosback in the 1970s is an exception to that rule. Fosback at the time ...
Is this a good time to buy Apple stock? From a seasonality ... The chart below, provided by Stock Rover, shows how Apple stock has historically performed much better in the December-to-January ...