Which companies added to S&P 500 in Q4 2026?
Amount
Buy
The listed choices cover which companies added to S&P 500 in Q4 2026.
The market compares 11 choices, including Astera Labs (ALAB), SoFi Technologies (SOFI), MongoDB (MDB), and Rocket Companies (RKT).
The comparison period, eligible field, deciding metric, official source, and any tie handling are specified in the Resolution Rules below.
The S&P 500 undergoes quarterly reconstitution on the third Friday of March, June, September, and December. The next rebalance is currently scheduled for December 18, 2026.
This market will resolve to "Yes" if S&P Global Inc. announces that the listed company will be added to the S&P 500 index by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No."
To qualify, the listed ticker must match the announced ticker added to the index.
An announcement from S&P will qualify for a "Yes" resolution, regardless of whether the listed company has actually been added to the S&P 500 index by the resolution date.
The primary resolution source will be official announcements from S&P Global Inc. (https://www.spglobal.com/en/press/press-release).