Off the Charts

MACD.

Moving average convergence divergence (MACD) is a trend-following momentum indicator that shows the relationship between two moving averages of a security’s price. The MACD is calculated by subtracting the 26-period exponential moving average (EMA) from the 12-period EMA.

Zoomed in on QQQ. It fell 12 percent over a little more than two trading weeks last time the MACD was around this level.