2018 JPY to KRW Historical Review

YEARLY HIGH

10.3452 KRW

YEARLY LOW

9.3806 KRW

YEARLY AVERAGE

9.9680 KRW

2018 JPY to KRW Performance & Market Timing Review

Analysis of key historical highlights and timing insights for 2018

During 2018, the JPY to KRW exchange rate experienced significant fluctuation. The market reached its absolute peak on March 23, valuing the pair at 10.3452. Conversely, the yearly low was recorded on January 7, dropping to 9.3806.

This high-to-low spread represents a total annual volatility of 0.9646 KRW. From a start-to-finish perspective, comparing the January average rate of 9.6074 to the December average rate of 10.0193, the exchange rate registered a net change of 4.29% (reflecting a strengthening trend).

Looking at year-over-year peak valuations, the 2018 high of 10.3452 was down 1.73% compared to the 2017 peak of 10.5274, indicating shifts in long-term support levels.

Transfer Payout Power Comparison

Comparing the value generated converting 500,000 JPY based on timing:

Yearly Peak High 5,172,578 KRW

2017 Average 5,040,690 KRW

Yearly Trough Low 4,690,302 KRW

Transaction Impact: A difference of 482,276.70 KRW purely based on transaction execution date.

Trend Visualization

Monthly average fluctuations over the course of 2018.

10.1602

9.5571

JanuMarcMayJulySeptNove

JPY 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 9.9034, compared to 10.0326 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 0.1292 points.

H1 Avg (Jan–Jun) 9.9034

H2 Avg (Jul–Dec) 10.0326

Volatility Range Comparison

Volatility

The most volatile month in 2018 was June, with a trading range of 0.5150 KRW (High: 10.1953 / Low: 9.6803). On the other end, July was the most stable month, with a tight range of 0.2136 KRW (High: 10.1681 / Low: 9.9546).

June Spread (Volatile) ±0.5150

July Spread (Stable) ±0.2136

Growth Streaks & Declines

Trends

Between May and August, the exchange rate recorded its longest consecutive growth streak of the year, climbing for 3 straight months. Conversely, the sharpest month-over-month decline occurred between March and April, when the average rate fell by 0.1738 points.

Longest Streak 3 Mo.

Sharpest MoM Drop -0.1738

Same-Month Historical Baseline

YoY Baseline

Comparing the current year's strongest month average (March 2018: 10.1100) against the same month in 2017 (average: 10.0368), the exchange rate shifted by +0.0732 (+0.73%).

2018 Avg (March) 10.1100

2017 Avg (March) 10.0368

Monthly Breakdown

Statistical summary for each calendar month.

Month	High	Low	Average
January	9.8720	9.3806	9.6074
February	10.1865	9.7990	10.0072
March	10.3452	9.9637	10.1100
April	10.0741	9.7804	9.9362
May	10.0093	9.7071	9.8154
June	10.1953	9.6803	9.9440
July	10.1681	9.9546	10.0733
August	10.2854	9.9334	10.1020
September	10.2363	9.7542	9.9976
October	10.2011	9.7696	10.0559
November	10.0706	9.8307	9.9475
December	10.1920	9.7668	10.0193