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BSE-100 Index
Download Index Constituents
Click to search Historical Notices on Index Replacements
Introduction
A broad-based index, the BSE-100 was formerly known as the BSE National index. This Index has 1983-84 as the base year and was launched in 1989. In line with the shift of the BSE Indices to the globally accepted Free-Float methodology, BSE-100 was shifted to Free-Float methodology effective from April 5, 2004. The method of computation of Free-Float index and determination of free-float factors is similar to the methodology for SENSEX.
Index Specification
| Base Year | 1983-84 |
| Base Index Value | 100 |
| Date of Launch | January 03, 1989 |
| Method of calculation | Launched on full market capitalization method and effective April 05, 2004, calculation method shifted to free-float market capitalization. |
| Number of scrips | 100 |
| Index Constituents | |
| Index calculation frequency | 15 seconds |
| Index Reach | Click here for scrip-wise, sector wise market capitalization, weightage etc. |
| Market Capitalization and Turnover Coverage | |
| Historical Values for | Index, Price Earnings, Price to Book Value ratio and Dividend Yield % |
| Historical Replacements |
Base Year
The financial year 1983-84 has been chosen as the base year. The price stability during that year and proximity to the index series were the main consideration for choice of 1983-84 as the base year. The base value was fixed at 100 points.
Dollex-100
BSE also calculates a dollar-linked version of SENSEX and historical values of this index are available since its inception. (For more details click 'Dollex series of BSE indices')
BSE-100 index - Scrip Selection Criteria
The general guidelines for selection of constituents in BSE-100 are as follows:
1. Trading Frequency: The scrip should have been traded on 95% of the trading days in the last three months. Exceptions can be made for extreme reasons like scrip suspension etc.
2. Final Rank: The scrip should figure in the top 200 companies listed by final rank. The final rank is arrived at by assigning 75% weightage to the rank on the basis of three-month average full market capitalization and 25% weightage to the liquidity rank based on three-month average daily turnover & three-month average impact cost.
3. Industry/Sector Representation: Scrip selection would generally take into account a balanced sectoral representation of the listed companies in the universe of BSE.
4. Track Record: In the opinion of the BSE Index Committee, the company should have an acceptable track record.
| Replacement of Scrips for the BSE-100 Index |
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