Bangko Sentral ng Pilipinas (BSP) Interest Rates

INTEREST RATES (% p.a.)
				Latest			Previous
				Auction			Auction
1.	Treasury Bill Rates (Auction Date) 1
	(Auction Date: September 8, 2009)
		91 Days		3.992			3.948
		182 Days		4.194			4.121
		364 Days		4.375			4.338
2.	Coupon Rates on Fixed-Rate Treasury Bonds
	(Auction Date: Sep 1, 2009)
		5 Years		6.25
		10 Years					7.875
3.	Money Market Rates
	(September 14 - 18 2009)
		Promissory Notes		3.1919			3.0160	r
		Commercial Papers w/o Recourse
4.	Manila Reference Rates 2
	(September 14 - 18 2009)
		MRR 60		4.0625			4.0000
		MRR 90		7.0000			7.0000
		MRR 180		7.2500			7.2500
5.	Interbank Call Loan Rates 3
	(September 14 - 18 2009)			4.1250			4.1547
6.	BSP Rates
	(September 14 - 18 2009)
		Overnight RPs		N.T.			N.T.
		Term RPs		N.T.			N.T.
		Overnight RRPs		4.0000			4.0000
		Term RRPs		N.T.			4.1250
		Special Deposit Account (SDA)		4.1268			4.1363
7.	Bank Lending Rates 4
	(September 14 - 18 2009)
		All Maturities (Actual)		7.734			7.789
		High (Quoted)		9.3316			9.0735
		Low (Quoted)		7.4510			7.0686
8.	Peso Deposit Rates 5
	(September 14 - 18 2009)
	Savings Deposits
		High		6.000			6.000
		Low		0.100			0.100
	Time Deposits
		below 1 year		2.172			2.146
		1 - 2 years		3.906			4.123
		Over 2 years		2.051			1.823
9.	Dollar Deposit Rates
	(September 14 - 18 2009)
	Savings Deposits			0.502			0.445
	Time Deposits
		60 days & below		1.191			1.157
		61 - 90 days		1.334			1.346
		91 - 180 days		1.355			1.295
		181 days & above		1.546			1.598
	1	Previous auction date is August 24, 2009.
	2	Weighted average interest rate (WAIR) on the combined promissory note and time deposit
		transactions of 10 sample commercial banks pursuant to CB Circular No. 1191 dated 23 November 1988
	3	From BSP Treasury
	4	Data for all maturities are based on actual transactions estimated as the ratio of total interest income to
		total outstanding loans. Meanwhile, the high and low bank lending rates refer to the averages of the
		highest and the lowest bank quoted rates respectively.
	5	High and low savings deposit rates refer to the highest and lowest interest rates of bank deposits
		on or above the minimum interest earning balance.
	r	Revised
	p	Preliminary
	N.I.	No Issuance
	N.T.	No Transactions

I would only pay particular attention to SDA rates.

and would suggest continue reading about BPI SDA.

http://www.bsp.gov.ph/statistics/keystat/winteresrates.htm