2018 IDR to KRW Historical Review

YEARLY HIGH

0.0812 KRW

YEARLY LOW

0.0738 KRW

YEARLY AVERAGE

0.0777 KRW

2018 IDR to KRW Performance & Market Timing Review

Analysis of key historical highlights and timing insights for 2018

During 2018, the IDR to KRW exchange rate experienced significant fluctuation. The market reached its absolute peak on February 2, valuing the pair at 0.0812. Conversely, the yearly low was recorded on October 16, dropping to 0.0738.

This high-to-low spread represents a total annual volatility of 0.0073 KRW. From a start-to-finish perspective, comparing the January average rate of 0.0795 to the December average rate of 0.0774, the exchange rate registered a net change of -2.63% (reflecting a weakening trend).

Looking at year-over-year peak valuations, the 2018 high of 0.0812 was down 10.01% compared to the 2017 peak of 0.0902, indicating shifts in long-term support levels.

Transfer Payout Power Comparison

Comparing the value generated converting 10,000,000 IDR based on timing:

Yearly Peak High 811,736 KRW

2017 Average 845,004 KRW

Yearly Trough Low 738,359 KRW

Transaction Impact: A difference of 73,377.43 KRW purely based on transaction execution date.

Trend Visualization

Monthly average fluctuations over the course of 2018.

0.0800

0.0741

JanuMarcMayJulySeptNove

IDR to KRW Seasonal Trends & Volatility Analysis

A structured review of seasonal halves, trading extremes, consecutive streaks, and historical baselines.

Seasonal Halves (H1 vs H2)

Seasonal

The average exchange rate in the first half of the year (H1: Jan–Jun) was 0.0782, compared to 0.0772 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the first half (Jan–Jun) by a margin of 0.0010 points.

H1 Avg (Jan–Jun) 0.0782

H2 Avg (Jul–Dec) 0.0772

Volatility Range Comparison

Volatility

The most volatile month in 2018 was November, with a trading range of 0.0035 KRW (High: 0.0782 / Low: 0.0747). On the other end, July was the most stable month, with a tight range of 0.0014 KRW (High: 0.0793 / Low: 0.0779).

November Spread (Volatile) ±0.0035

July Spread (Stable) ±0.0014

Growth Streaks & Declines

Trends

Between May and July, the exchange rate recorded its longest consecutive growth streak of the year, climbing for 2 straight months. Conversely, the sharpest month-over-month decline occurred between September and October, when the average rate fell by 0.0031 points.

Longest Streak 2 Mo.

Sharpest MoM Drop -0.0031

Same-Month Historical Baseline

YoY Baseline

Comparing the current year's strongest month average (February 2018: 0.0795) against the same month in 2017 (average: 0.0856), the exchange rate shifted by -0.0061 (-7.18%).

2018 Avg (February) 0.0795

2017 Avg (February) 0.0856

Monthly Breakdown

Statistical summary for each calendar month.

Month	High	Low	Average
January	0.0803	0.0784	0.0795
February	0.0812	0.0784	0.0795
March	0.0789	0.0771	0.0779
April	0.0780	0.0766	0.0775
May	0.0777	0.0757	0.0767
June	0.0797	0.0770	0.0783
July	0.0793	0.0779	0.0786
August	0.0793	0.0771	0.0782
September	0.0790	0.0770	0.0777
October	0.0763	0.0738	0.0746
November	0.0782	0.0747	0.0768
December	0.0782	0.0767	0.0774