The SBITOP added 0.33% to 538.97 points after falling 0.18% on Thursday.
Three of the seven blue chips of the Ljubljana Stock Exchange (LJSE) closed lower and four rose on Friday.
Drug maker Krka [LJE:KRKG] led the SBITOP gainers, adding 0.87% to 46.5 euro ($60.6).
Lender Nova Kreditna Banka Maribor [LJE:KBMR] led the blue-chip decliners and was the most traded blue chip with 31,412 shares changing hands. The stock closed 3.07% lower at 1.105 euro.
LJSE's total turnover dropped to 531,700 euro from 1.4 million euro on Thursday.
($=0.7659 euro)