Fun With Charts: S&P Closes Never Seen Again, from Alston Mabry
Each bar is a day where that S&P Close was never breached afterward (to date) (i.e. S&P never fell below that level up to now).
Kora Reddy writes:
Adding to the fun, I looked at whether and when a newly crossed round number is revisited again. All except the crossing of 200 and 500 were revisited at some point in the future ranging from 1 to 812 calendar days.
