Policy & deposit rates
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Interbank overnight rate
The cost of overnight VND between banks, set in the interbank market each morning. The most sensitive thermometer for short-term liquidity in the system.
Reading the signalSpikes during tax-payment weeks, year-end window-dressing, or whenever the SBV drains liquidity via open-market operations. A sustained move toward (or above) the refinancing rate says the system is short of cash.
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Discount rate
The SBV's floor policy rate - what it charges banks for short-term loans against eligible paper. Together with the refinancing rate, it defines the policy corridor.
Reading the signalRarely moves. When it does, it's a deliberate stance signal (cut = easing, hike = tightening), not noise.
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Refinancing rate
The SBV's ceiling policy rate - the price of emergency liquidity for banks that need to borrow directly from the central bank.
Reading the signalInterbank rates trading at or above this number means the corridor is broken and the SBV is the marginal lender. Watch alongside the overnight rate.
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Deposit rates · 1–3M, 6–9M, 12M (large commercial banks)
The posted rates that the Big 4 SOCBs (Vietcombank, BIDV, VietinBank, Agribank) pay savers at three standard tenors. These are the de-facto reference rates for the whole banking system.
Reading the signalThe Big 4 numbers are the rate floor - smaller joint-stock banks consistently pay 50–150 bps above them for the same tenor. That gap is the baseline structure of the VN deposit market, not a stress signal. Watch the 12M tier: it moves with credit demand and the SBV's liquidity stance, and feeds directly into mortgage and SME loan pricing.