The Russell Small Cap Completeness Index measures the performance of the companies in the Russell 3000 Index excluding the companies in the S&P 500. As of 30 April 2021, the index contains 2,561 holdings. It provides a performance standard for active money managers seeking a liquid extended benchmark, and can be used for a passive investment strategy in the extended market. Weighted average market capitalization is approximately $15.4 billion. The index, which was launched on April 1, 2000, is maintained by FTSE Russell, a subsidiary of the London Stock Exchange Group. Its ticker symbol is ^RSCC. Wikipedia