(25/2/2015
BSE 100 Index companies list) : S&P BSE 100 stock index contains 100 biggest Indian companies in market capitalization. These companies are blue chips of their particular sector. Tracking these 100 components show a clear picture of economy of India. This broad BSE index was launched in January 3, 1989 and takes 1983-84 as it's base year, since 1983-84 was too old time for the index, hence it got rebased in june 2012.
Following are details about BSE 100 index which every investor should know. This would help in understanding the basics of the BSE 100 index:
Eligible Universe. All common equities listed at BSE Ltd., (excluding companies classified in Z group, suspended companies, stocks objected to by the Surveillance Department of BSE Ltd. and those that are traded under a permitted category and on the SME platform) are considered eligible.
Listing History. Stocks must have a listing history of at least three months at BSE, with the following exceptions:
· An exception may be granted if the average float market capitalization of a newly listed company ranks in the top 10 of all companies listed at BSE. In such cases, the minimum listing history required is at least one month.
· In the event that a company is listed due to a merger/demerger/amalgamation, a minimum listing history is not required.
Trading Days. The stock must have traded for at least 95% of the trading days at BSE during the three month reference period. Exceptions may be made for extreme reasons such as stock suspension.
Index Construction. All companies meeting the eligibility factors above are ranked based on their average three month float market capitalization, average three month value traded, and average three month impact cost.
The liquidity rank is computed by assigning a 75% weight to the average value traded rank and a 25% weight to the average impact cost rank.
The final rank is determined by assigning a 75% weight to the average float market capitalization rank and a 25% weight to the liquidity rank.
These companies are then sorted based on final rank. Any existing constituent ranking beyond 200 based on final rank is excluded.
Furthermore, an eligible stock not linked to derivatives trading with a float adjusted weight greater than 5% of the index is excluded from the index. The next eligible stock meeting all eligibility criteria is selected for index inclusion based on final rank..
From the pool of eligible stocks, preference is given to those linked to the derivatives market. Eligible stocks linked to the derivatives market are targeted to have an aggregated weight of at least 90% of the index by float adjusted market capitalization.
Constituent Weightings. Every stock is weighted in the index based on its float adjusted market capitalization.
BSE 100 Index Components list
(This list is as of 24/2/2015 - latest constituents might be slightly different from these companies)