ActualPreviousConsensusConsensus Range
CPI - M/M0.5%-0.1%
CPI - Y/Y2.1%1.7%2.0%1.8% to 2.1%
Core CPI - M/M0.5%-0.6%
Core CPI - Y/Y2.0%1.3%

Highlights

South Korea's headline consumer price index rose 2.1 percent on the year in September, picking up from an increase of 1.7 percent in August. The index rose 0.5 percent on the month after falling 0.1 percent previously. Core CPI, excluding food and energy, rose 0.5 percent on the month after a previous decline of 0.6 percent, with the year-over-year increase rebounding sharply from 1.3 percent to 2.0 percent. Lower core inflation in August was largely driven by a big fall in communication costs which was reversed in September. Moves in other categories were mixed and generally modest.

At the Bank of Korea's most recent policy meeting, held last month, officials left the main policy rate on hold at 2.50 percent. Although they reiterated that they have a rate cut stance, officials concluded that they will adjust the timing and pace of any further rate cuts based on incoming data.

Market Consensus Before Announcement

CPI expected up 2.0 percent on year in September after rising 1.7 percent on year in August.

Definition

The Consumer Price Index (CPI) is a measure of the average price level of a fixed basket of goods and services purchased by consumers. Annual changes in the CPI represent the rate of inflation.

Description

An investor who understands how inflation influences the markets will benefit over those investors that do not understand the impact. Inflation is an increase in the overall prices of goods and services. The relationship between inflation and interest rates is the key to understanding how indicators such as the CPI influence the markets and your investments.

Inflation (along with various risks) basically explains how interest rates are set on everything from mortgages and auto loans to government securities. As the rate of inflation changes and as expectations on inflation change, the markets adjust interest rates. The effect ripples across stocks, bonds, commodities and your portfolio, often in a dramatic fashion.

By tracking inflation, whether high or low, rising or falling, investors can anticipate how different types of investments will perform. Over the long run, the bond market will rally (fall) when increases in the CPI are small (large). The equity market rallies with the bond market because low inflation promises low interest rates and is good for profits.
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