SPX September returns during a presidential election year.

NDX monthly returns in August.

NDX components’ last price relative to their 50-day moving average (as a percentage).

SPX frequency of 1% selloffs in August by year.

NDX intraday returns for the components.

NDX components and their daily return (percent gain/loss) at the end of the trading day.

RUT 12-day returns after a 12-day return in excess of 6.5% registers in August.

SPX 12-day cumulative returns after a 12-day rally of 3.5% registers in August.

NDX cumulative 12-day return after a 12-day rally in excess of 6% registers in August.

How far Nasdaq 100 components are above/below their 50-day moving average.