The BSP's chosen monetary policy rate is the overnight reverse repurchase rate (RRP). Figures are percent per annum (% p.a.), not seasonally adjusted (NSA). Series start as early as 2 January 1986.
The series reside in the historical catalog (Philippines » Financial » Domestic Interest Rates) and are:
Because catalog locations are subject to change, the upper-right search ox on DataBuffet.com provides a "find in catalog" mode that accepts a mnemonic.
References
See also