In September, it provided the highest return to gold investors.

Financial Investment Returns for September 2025

The Turkish Statistical Institute (TUİK) announced the Real Return Rates of Financial Investment Instruments for the period of September 2025. According to the data, gold bullion provided the highest profit to its investors in September.

Gold Bullion Earned 9.14 Percent

In September 2025, when adjusted for the Domestic Producer Price Index (D-PPI), gold bullion reached 9.14%, and when adjusted for the Consumer Price Index (CPI), it reached 8.39%. These results indicate that gold is the most profitable option for investors compared to other investment instruments.

Performance of Other Investment Instruments

When adjusted for D-PPI, the gross deposit interest rate only provided a real return of 0.63%. Government Domestic Debt Securities (DIBS) yielded a return of 0.38%, the euro -0.40%, and the US Dollar -1.27%, resulting in losses for investors. When adjusted for CPI, the deposit interest rate saw a return of 0.06%, DIBS -1.07%, euro -1.08%, and the US Dollar -1.95%, indicating significant losses.

BIST 100 as the Winner of the Three-Month Period

In a three-month evaluation, the BIST 100 index was the highest yielding investment instrument, earning 9.32% when adjusted for D-PPI and 8.68% when adjusted for CPI. The US Dollar significantly lost, with both D-PPI and CPI reflecting losses of 2.03% and 2.60%, respectively.

Gold Investment Continues to Yield in the Long Term

In six-month analyses, gold bullion continued to be the investment instrument providing the most profit, with a return of 19.49% when adjusted for D-PPI and 20.92% when adjusted for CPI. When assessed annually, gold once again achieved the highest real return at 36.01% D-PPI and 29.18% CPI.

Status of Deposit Interest and Other Instruments

On an annual basis, the gross deposit interest rate provided a return of 11.26%, DIBS 2.78%, and euro 1.30%, while the US Dollar recorded a loss of 4.12%, and BIST 100 11.65%. When adjusted for CPI, the deposit interest rate yielded a return of 5.67%, whereas DIBS recorded 2.39%, euro 3.79%, US Dollar 8.94%, and BIST 100 16.09%, all experiencing losses.