The S&P 500 opened Friday above its previous close and hit its intraday high within a couple of hours. The index closed the day with a 0.17% gain from Thursday and 0.72% gain from the previous Friday.
The U.S. Treasury puts the closing yield on the 10-Year note at 2.17%.
Here is a daily chart of the S&P 500. Today's selling puts the volume 22% below its 50-day moving average.
Here's a monthly snapshot of the SPX going back to December 2007.
A Perspective on Drawdowns
Here's a snapshot of record highs and selloffs since the 2009 trough.
Here is a more conventional log-scale chart with drawdowns highlighted.
Here is a linear scale version of the same chart with the 50- and 200-day moving averages.
A Perspective on Volatility
For a sense of the correlation between the closing price and intraday volatility, the chart below overlays the S&P 500 since 2007 with the intraday price range. We've also included a 20-day moving average to help identify trends in volatility.
