100% SSL Secure
- Total market capitalization of the S&P 500 index between 3/31/1979 and 9/30/2018, including float-adjusted market cap since 9/30/2006.
- The dataset lists the historical market caps for the last day of each month since 1/31/1991 and for the last day of each quarter before that.
- An updated file will be provided to you at the beginning of every quarter with up-to-date data. Your subscription is valid for one year.
- The data is in Excel format. Check a sample dataset from here.
- Data quality guaranteed by Siblis Research but if you are not fully happy with the dataset for any reason you are entitled to a full refund.