It appears that computer algorithms are working on some unfinished business related to filling futures gaps. On August 27, 2024 it was noted that there were still two open futures gaps to fill. The S&P500 is very close to filling its first futures gap created on August 15, 2024. It has been open for 21 days.
Note that this information is for educational purposes only and not a recommendation.
Charts courtesy of StockCharts.com.