As per the official notification of IBPS for the recruitment of its probationary officers, it states :final year results of the candidates should be declared on or before 26th August,2020". So, if your final year results get declared within this stipulated time , then only you can apply for this exam, else you have to wait for next year.
According to the eligibility criteria for IBPS PO 2020 exam the candidates with Bachelor’s degree from a recognised Universities by the Government of India or equivalent recognized by Central Govt will be eligible but The final result must be out on or before August 28, 2020. So if you get your final result before August 28th 2020 if not you need to wait for next year. Institute of Banking Personnel Selection (IBPS) released the IBPS PO 2020 application form on August 5 in online mode at ibps.in. Please click the below link to know more.