As banks continue to update their deposit interest rates, they are also opening doors of opportunity for investors holding cash. With the interest decisions announced by the Central Bank of the Republic of Turkey (CBRT) in September, citizens with cash in hand have the opportunity to earn interest of up to 55% on a monthly term. Those looking to increase the value of their idle funds are researching banks that offer the highest interest on a monthly term and wondering which bank offers how much interest. So, which bank offers how much interest? Here are the banks offering the highest deposit interest for a monthly term of 100,000 TL.After the interest decision made by the Central Bank of the Republic of Turkey (CBRT) in September, current deposit interest rates at banks were updated. Banks have started offering interest rates of up to 55% for investors on a monthly term. Citizens are researching banks to achieve a good profit on their cash holdings on a monthly term. So, which bank offers how much deposit interest? Here are the current deposit interest rates at banks.As of September 2024, banks offering the highest interest rates for a monthly term of 100,000 TL are as follows:Interest rate: 55%Maturity Amount: 104,843.75 TLNet Gain: 4,843.75 TLInterest rate: 54%Maturity Amount: 104,367.21 TLNet Gain: 4,367.21 TLInterest rate: 54%Maturity Amount: 104,367.21 TLNet Gain: 4,367.21 TLInterest rate: 53%Maturity Amount: 104,286.34 TLNet Gain: 4,286.34 TLInterest rate: 53%Maturity Amount: 104,286.34 TLNet Gain: 4,286.34 TLInterest rate: 52%Maturity Amount: 104,205.46 TLNet Gain: 4,205.46 TLInterest rate: 51%Maturity Amount: 104,124.59 TLNet Gain: 4,124.59 TLInterest rate: 50%Maturity Amount: 104,043.72 TLNet Gain: 4,043.72 TLInterest rate: 50%Maturity Amount: 104,043.72 TLNet Gain: 4,043.72 TLInterest rate: 49%Maturity Amount: 103,962.84 TLNet Gain: 3,962.84 TLInterest rate: 47%Maturity Amount: 103,801.09 TLNet Gain: 3,801.09 TLInterest rate: 45%Maturity Amount: 103,639.34 TLNet Gain: 3,639.34 TLInterest rate: 40%Maturity Amount: 103,234.97 TLNet Gain: 3,234.97 TL