The index rose to 89.8 from 86 in September, the Turkish Statistical Institute said on its website on Wednesday. The index had stood at 75.2 in October last year.
The improvement in economic confidence was led by manufacturing and the retail sector. Confidence among manufacturers rose to 104.2 from 99.7, while retail sector confidence increased to 102.3 from 97.6, the institute said.
Any reading above 100 indicates a positive economic outlook.
Turkey’s economy has been tentatively recovering from an economic recession in the second half of last year. The downturn was sparked by a currency crisis that peaked in August of 2018.