The exploration focused on fiscal strategy and yield of financial system: Legalization exertion. It was aimed at determining how fiscal strategy has been useful instrument for running a good and effective financial system. The main objective was to determine how the Apex bank thrives to congregate its short and medium-term objectives of monetary enlargement, price constancy as well as swap-over rate steadiness. Consequently, this write-up is devoted to establish how the Apex Bank of Nigeria is performing with regards to attaining the documented goals of the financial strategies. A few macro fiscal variables like loaning charge, expansive funds, price increases etc. was considered in the analysis. Manifold degeneration technique was engaged in this investigation. The entire the indicators used the evaluation were revealed to considerably manipulate gross domestic product, loaning charge, swap price, as well as price increases except money supply which was revealed to be inconsequential at impacting deviation in gross domestic product. The Granger Causality test indicated that swap price in addition to loaning charge were the substantial variables that explicate deviations in the financial system. Hence, it is suggested that loaning charge, loaning charge, swap price, plus price increases should be considered as effective instruments in formulating financial strategies. Even though, the Apex Bank involvement in the control of swap price along with price increases has not been effective and efficient.