Which is the most profitable investment instrument in September 2026? TURKSTAT data has been announced...

Turkish Statistical Institute (TUIK) published the Real Return Rates of Financial Investment Instruments data for the September 2026 period.

Accordingly, the highest monthly real return was realized in Government Domestic Debt Securities (GDDS) with 1.18 percent when reduced by the domestic producer price index (D-PPI) and 1.40 percent when reduced by the consumer price index (CPI).

BIST 100 LOST THE MOST MONTHLY

When discounted with D-PPI, deposit interest provided a gross real return of 0.96 percent.

In the same period, investors lost 0.44 percent of the US Dollar, 1.12 percent of the Euro, 2.24 percent of gold bullion and 6.01 percent of the BIST 100 index.

When discounted with CPI, deposit interest provides a gross real return of 1.19 percent; The US Dollar caused a real loss of 0.22 percent, the Euro 0.89 percent, gold bullion 2.02 percent and BIST 100 5.79 percent.

THREE-MONTH DEPOSITS STANDED OUT

In the three-month evaluation, the highest real return was realized in deposit interest.

Gross deposit interest provided a real return of 3.42 percent when discounted with D-PPI and 4.11 percent when discounted with CPI.

In the same period, the biggest real loss was seen in BIST 100. The index lost 9.90 percent when reduced by D-PPI and 9.29 percent when reduced by CPI.

DEPOSITS ARE AT THE HIGHEST IN THE SIX MONTHS

In the six-month evaluation, the highest real return was realized in deposit interest.

Gross deposit interest provided a real return of 1.60 percent when discounted with D-PPI and 3.15 percent when discounted with CPI.

During this period, the instrument that made investors lose the most was gold bullion.

Gold bullion created a real loss of 16.99 percent when reduced by D-PPI and 15.73 percent when reduced by CPI.

HE PROVIDED THE MOST GOLD ANNUALLY

In the annual evaluation, the picture changed.

Gold bullion ranked first among investment instruments, providing a real return of 7.25 percent when reduced by D-PPI and 5.30 percent when reduced by CPI.

On an annual basis, GDDS provided a real return of 5.85 percent when reduced by D-PPI and 3.93 percent when reduced by CPI.

Gross deposit interest offered a real return of 2.17 percent according to D-PPI and 0.32 percent according to CPI.

On the other hand, BIST 100 index is 2.80 percent according to D-PPI and 4.56 percent according to CPI; US Dollar 7.58 percent and 9.26 percent; Euro caused its investors real losses of 9.33 percent and 10.97 percent.