After starting the day at 4,880.46 points, Borsa Istanbul's BIST 100 index gained 4.05 points from Wednesday's close.
The index also saw an intraday record of 4,939.73 points, while its lowest value was 4,794.21 during the day.
The total market value of the BIST 100 was around 3.9 trillion Turkish liras ($111.2 billion) by close, with a daily trading volume of 133 billion Turkish liras ($7.12 billion).
The price of an ounce of gold was around $1,756.90, while Brent crude oil sold at around $84.76 per barrel as of 18.30 p.m. local time (1530GMT).
Exchange Rates Wednesday Thursday
USD/TRY 18.6310 18.6250
EUR/TRY 19.3070 19.4030
GBP/TRY 22.4370 22.6590
Source: Anadolu Agency