2018 JPY to IDR Historical Review

YEARLY HIGH

136.1145 IDR

YEARLY LOW

118.7013 IDR

YEARLY AVERAGE

128.2909 IDR

2018 JPY to IDR Performance & Market Timing Review

Analysis of key historical highlights and timing insights for 2018

During 2018, the JPY to IDR exchange rate experienced significant fluctuation. The market reached its absolute peak on October 28, valuing the pair at 136.1145. Conversely, the yearly low was recorded on January 7, dropping to 118.7013.

This high-to-low spread represents a total annual volatility of 17.4132 IDR. From a start-to-finish perspective, comparing the January average rate of 120.8697 to the December average rate of 129.4678, the exchange rate registered a net change of 7.11% (reflecting a strengthening trend).

Looking at year-over-year peak valuations, the 2018 high of 136.1145 was up 10.70% compared to the 2017 peak of 122.9575, 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 68,057,266 IDR

2017 Average 59,663,319 IDR

Yearly Trough Low 59,350,655 IDR

Transaction Impact: A difference of 8,706,611.23 IDR purely based on transaction execution date.

Trend Visualization

Monthly average fluctuations over the course of 2018.

136.1541

119.4802

JanuMarcMayJulySeptNove

JPY to IDR 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 126.6457, compared to 129.9360 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 3.2903 points.

H1 Avg (Jan–Jun) 126.6457

H2 Avg (Jul–Dec) 129.9360

Volatility Range Comparison

Volatility

The most volatile month in 2018 was October, with a trading range of 8.1450 IDR (High: 136.1145 / Low: 127.9696). On the other end, August was the most stable month, with a tight range of 2.3349 IDR (High: 130.3826 / Low: 128.0478).

October Spread (Volatile) ±8.1450

August Spread (Stable) ±2.3349

Growth Streaks & Declines

Trends

Between January and March, 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 October and November, when the average rate fell by 5.2789 points.

Longest Streak 2 Mo.

Sharpest MoM Drop -5.2789

Same-Month Historical Baseline

YoY Baseline

Comparing the current year's strongest month average (October 2018: 134.7647) against the same month in 2017 (average: 119.7043), the exchange rate shifted by +15.0603 (+12.58%).

2018 Avg (October) 134.7647

2017 Avg (October) 119.7043

Monthly Breakdown

Statistical summary for each calendar month.

Month	High	Low	Average
January	123.3024	118.7013	120.8697
February	128.6948	121.9320	125.9098
March	131.5827	128.9195	129.8205
April	130.0983	126.7345	128.2708
May	129.3995	126.7295	127.9880
June	128.7018	125.7814	127.0156
July	129.1383	126.2061	128.1652
August	130.3826	128.0478	129.1366
September	130.4986	126.7408	128.5958
October	136.1145	127.9696	134.7647
November	134.1982	126.2555	129.4858
December	132.1015	125.6010	129.4678