The SBITOP added 2.86% to 537.10 points after rising 0.69% on Thursday.
The seven blue chips of the Ljubljana Stock Exchange (LJSE) all closed higher on Friday.
Telekom Slovenije [LJE:TLSG] led the blue-chip gainers, rising 4.0% to 65 euro ($85).
Insurer Zavarovalnica Triglav [LJE:ZVTG] was the most traded blue chip with 41,066 shares changing hands. The stock closed 3.75% higher at 12.45 euro.
LJSE's total turnover fell to 2.1 million euro from 4.9 million euro on Thursday.
($=0.7678 euro)