Turkey's stock exchange rose 0.13 percent, or 128.63 points, to open at 100,427.37 points on Friday.
On the last transaction day of the week, the banking sector index rose 0.48 percent, while holding sector index fell 0.05 percent.
Among all sector indices, the BIST leasing factoring index was the best performer, gaining 1.14 percent and the BIST wholesale retail trade index performed the worst, down 0.20 percent.
On Thursday, Borsa Istanbul's BIST 100 closed at 100,298.73 while gaining 1.16 percent, or 1,149.88 points.
The U.S. dollar/Turkish lira exchange rate fell to 5.9890 as of 9.30 a.m. local time (0630GMT) on Friday, compared to 5.9950 at the previous close.
The euro/lira rate dropped to 6.9710 by market open, versus 7.0250 at the previous close, while one British pound traded for 7.8460 Turkish liras -- from 7.8920 on Thursday's close.
The price of Brent oil stood at $81.57 per barrel as of 10.00 a.m. local time (0700GMT) Friday, compared to $81.14 on Thursday.
Since the beginning of 2018, Brent oil price has risen from $66 a barrel.