BIRS
The BIRS Index is a share index of the 12 largest companies listed on the Banja Luka Stock Exchange (BLSE), established on 1 May 2004. BIRS stands for "Berzanski indeks Republike Srpske", which is Serbian for The Stock Exchange Index of Republika Srpska, an entity in Bosnia and Herzegovina. 

The constituents of the index are determined semi-annually, on 15 May and 15 November. Component companies must meet a number of requirements set out by the BLSE. The highest value of the index to 22 September 2006, was on that day, at 2073.24.

Other indices on the Banja Luka Stock Exchange are the FIRS (an index of 13 privatisation-investment funds) and ERS10 (an index of 10 companies from the power utility sector).

As of 30 August 2006, the largest company by market capitalisation was Telekom Srpske a.d. Banja Luka, with the market cap of over BAM 1bn (€538m). All of the companies listed on this index include the abbreviation a.d. ("akcionarsko drušvo") at the end of their name, indicating their status of a public limited company.
Q223371
share index
Concept
Q783794
companies
Concept
Q2384000
Banja Luka Stock Exchange
MEDIA
Q9299
Serbian
Concept
Q11196
Republika Srpska
LOC
Q225
Bosnia and Herzegovina
LOC
Q5425857
FIRS
UNK
Q5324076
ERS10
MEDIA
Q1264258
Telekom Srpske
ORG
Q131127
Banja Luka
LOC
Q179620
BAM
Concept
Q2636279
BIRS
MEDIA
Q2636279
BIRS
MEDIA
2004-05-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1 May 2004
DATE
2006-09-22T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
22 September 2006
DATE
2073-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
2073
DATE
2006-08-30T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
30 August 2006
DATE
+12^^http://www.w3.org/2001/XMLSchema#decimal
12
NUMBER
+15^^http://www.w3.org/2001/XMLSchema#decimal
15
NUMBER
+15^^http://www.w3.org/2001/XMLSchema#decimal
15
NUMBER
+2073.24^^http://www.w3.org/2001/XMLSchema#decimal
2073.24
NUMBER
+13^^http://www.w3.org/2001/XMLSchema#decimal
13
NUMBER
+10^^http://www.w3.org/2001/XMLSchema#decimal
10
NUMBER
+10^^http://www.w3.org/2001/XMLSchema#decimal
10
NUMBER
+1^^http://www.w3.org/2001/XMLSchema#decimal
1
NUMBER
+538^^http://www.w3.org/2001/XMLSchema#decimal
538
NUMBER
instance of
stock market index
located in the administrative territorial entity