Risk and sentiment
Korea Monetary Base YoY
Year-over-year growth in Korea's monetary base.
At a glance
Korea Monetary Base YoY: latest value and prior change
As of 2026-05-31, Korea Monetary Base YoY is 8.41 %. It is 0.13 pp higher than 8.28 % on 2026-04-30.
Across 260 available observations from 2004-10-31 to 2026-05-31, the latest value is at the tie-adjusted 35th percentile.
- Observed on
- Default comparison window
- 2004-10-31–2026-05-31
- Observations · observed cadence
- 260 · Monthly
- Data source
- Bank of Korea ECOS
A high or low percentile does not by itself make the indicator positive, negative, or a buy or sell signal.
Time-series chart
Korea Monetary Base YoY
2004-10-31–2026-05-31
Long-history series are stored as real provider observations. Index, FX, VIX, and ratio charts use historical backfill where providers expose it; Korean investor flow and margin-credit feeds expand as stable historical endpoints become available.
Interpretation guide
Checking the policy liquidity tap with monetary base growth
Korea Monetary Base YoY tracks year-over-year growth in the monetary base, the sum of currency issued and bank reserve deposits held at the Bank of Korea, published monthly via ECOS. As the central bank's own liability and the raw material for all broader money, this series shows most directly how far the BOK has opened the liquidity tap.
Why base money is the starting point
Where M1 and M2 are outcomes of credit creation through the banking system, the monetary base is the input. The money multiplier, roughly M2 divided by base money, tells how many times each unit of base expands, and base growth only translates fully into broad liquidity when that multiplier holds steady.
- A clear acceleration in base growth is the first-order signal that policy is leaning easier.
- Deceleration or contraction marks liquidity withdrawal and a moment to reassess discount-rate pressure on assets.
- Track the multiplier's direction by dividing M2 growth by base growth to gauge credit-creation efficiency.
Conditions for transmission
If banks park new base money as reserves instead of lending, broad liquidity does not expand. This indicator therefore works best paired with bank-credit series to verify the transmission channel is alive rather than as a standalone signal.
- Base acceleration alongside a rebound in Korea Bank Loans YoY shows easing actually reaching the economy.
- Base growth without matching Korea M2 YoY points to a shrinking multiplier, with money pooling inside banks.
- Check whether base acceleration coincides with policy-rate cuts to confirm the stance is consistent.
Frequent misconceptions
Jumping from base-money surges straight to inflation or equity gains skips the transmission mechanism. Currency issuance is also highly seasonal around Korean holidays, so single-month spikes carry little information.
- Base expansion is not an automatic risk-asset signal; confirm pass-through with multiplier and loan data.
- Filter out holiday-driven cash demand using seasonally adjusted or trend readings.
- Allow for series breaks in periods when reserve requirements or open-market operations changed.