Turkey's benchmark stock index opened at 1,384.90 points on Wednesday, rising 0.47% or 6.53 points from the previous close.
At Tuesday's close, Borsa Istanbul's BIST 100 index was up 0.18% at 1,378.37 points, with a daily trading volume of 19.2 billion Turkish liras ($2.4 billion).
One US dollar traded for 8.1200 Turkish liras as of 9.30 a.m. local time (0630GMT), down from 8.1480 at the previous close.
The euro/Turkish lira exchange rate stood at 9.7100, versus 9.7190, while one British pound traded for 11.2300 Turkish liras, rising from 11.2200.
One barrel of Brent crude oil sold for around $64.53 as of 10 a.m. local time (0700GMT).