FTSE 100 / Russell: changes happened. 5 days from IPO to inclusion.
NASDAQ 100: Changes happened: a) Allow inclusion in 15 days post-IPO rather than 3 months. b) Allow inclusion of companies with very small float. c) allow valuation (index proportion) to be 3x float rather than enterprise value.
NASDAQ 100: Changes happened: a) Allow inclusion in 15 days post-IPO rather than 3 months. b) Allow inclusion of companies with very small float. c) allow valuation (index proportion) to be 3x float rather than enterprise value.
S&P: no changes.