BSE was one of the first in the world who started to use free-float capitalisation weightings instead of the traditional market capitalisation weightings in October 1999.
The BUX index is also a tradeable index. Its futures and option products are available in BSE’s derivatives section.
| 
 Profile  | 
|
| 
 Official name  | 
 The Share Index of the Budapest Stock Exchange Co. Plc.  | 
| 
 Type  | 
 Total return index, taking account of dividend payouts  | 
| 
 ISIN  | 
 HU0005060210  | 
| 
 Weighting  | 
 Share index with market capitalisation weighting corrected for free float  | 
| 
 Currency of calculation  | 
 Hungarian Forint (HUF)  | 
| 
 Structure  | 
 Consists of a variable number of shares up to a maximum of 25  | 
| 
 Review  | 
 Twice a year - March, September  | 
| 
 Frequently of calculation  | 
 Continuous  | 
| 
 Ticker codes  | 
 Reuters: .BUX Bloomberg: BUX  | 
| 
 Base value  | 
 January 2, 1991 = 1000 points  | 
| 
 Base capitalization  | 
 HUF 14,639,314,708  | 
| 
 Tradeable products  | 
 BUX index futures contract BUX index options contract  |